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rexinator(at)gmail.com Guest
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Posted: Sat Dec 13, 2008 10:39 am Post subject: Dead stick practice |
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See, That's what I'm talking about! Michel knows how to do dead stick
practice safely.
Rex
Do not archive
Michel Verheughe wrote:
Quote: | > From: Rex Hefferan [hefferans(at)gmail.com]
> I feel I should clarify that my comments were intended to encourage getting
> glider training.
>
To that, I'd like to add that when my son started flying my taildragger Kitfox 3, he had about 50 hours in a Blanik glider and he mastered the Kitfox in no time. Glider training is really the best training. This being said, I do dead-stick landing but ... with a very good margin of security. The first time I did it was on a runway 8,500 ft long. I was already passed the threshold when I switched off the engine.
Cheers,
Michel Verheughe
Norway
Kitfox 3 - Jabiru 2200 ... flying now as PAX
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Lynn Matteson
Joined: 10 Jan 2006 Posts: 2778 Location: Grass Lake, Michigan
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Posted: Sat Dec 13, 2008 11:31 am Post subject: Dead stick practice |
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All due respect, Michel and Rex, what is there left to do once you've
crossed the threshold? I say this with the understanding of the
landing procedure that comes with nearly 600 hrs of flying and way
over 1000 landings (I haven't totaled up my logbook in ages) I feel
that the real skill in a dead stick landing comes from battling the
winds aloft, if there are any, and getting the seat-of-the-pants
feel, and three dimensional view of your world at say 500-1000 feet
up. At least this is what I used in my (1) emergency dead stick last
fall, and (2) my "pretend" emergency dead stick just the other day.
Lynn Matteson
Kitfox IV Speedster, taildragger
Jabiru 2200, #2062, 596+ hrs
Sensenich 62x46
flying again after rebuild, and new Electroair direct-fire ignition
system;
also building a new pair of snow skis
On Dec 13, 2008, at 1:38 PM, Rexinator wrote:
Quote: |
See, That's what I'm talking about! Michel knows how to do dead
stick practice safely.
Rex
Do not archive
Michel Verheughe wrote:
>> From: Rex Hefferan [hefferans(at)gmail.com] I feel I should clarify
>> that my comments were intended to encourage getting glider training.
>>
>
> To that, I'd like to add that when my son started flying my
> taildragger Kitfox 3, he had about 50 hours in a Blanik glider and
> he mastered the Kitfox in no time. Glider training is really the
> best training. This being said, I do dead-stick landing but ...
> with a very good margin of security. The first time I did it was
> on a runway 8,500 ft long. I was already passed the threshold when
> I switched off the engine.
>
> Cheers,
> Michel Verheughe
> Norway
> Kitfox 3 - Jabiru 2200 ... flying now as PAX
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_________________ Lynn
Kitfox IV-Jabiru 2200
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Michel
Joined: 10 Jan 2006 Posts: 966 Location: Norway
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Posted: Sat Dec 13, 2008 11:59 am Post subject: Dead stick practice |
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Quote: | From: Lynn Matteson [lynnmatt(at)jps.net]
All due respect, Michel and Rex, what is there left to do once you've
crossed the threshold?
|
That was only the first time, Lynn. Now, I do it from long approach. But I agree with Rex that we should be careful and it's up to each pilot to know what is the frame of security. For example, I feel that if I voluntary switch off the engine, I should be able to land safely without needing to restart the engine. Most of the time, it will restart but ... you never know.
A few weeks ago, I flew with my son and it was a typical winter inversion: no wind on the windsock. But once over 500 ft AGL, a strong northerly wind. We flew first southward at about 90 knots ground speed, and only 40 on the return leg. When we arrived on final 36, I said to my son: Aren't we a bit high? He said: not in that wind, we might even add a bit of throttle. And guess what, we needed it to reach the threshold!
Something else I wanted to do is to fly over a very big lake we have here, switch off the engine at say 4,500 ft (under our TMA) and glide down, using the entire frozen lake as a landing place. But, unfortunately the lake hasn't been freezing enough those last years.
Cheers,
Michel Verheughe
Norway
Kitfox 3 - Jabiru 2200 ... flying as PAX
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gary.algate(at)sandvik.co Guest
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Posted: Sat Dec 13, 2008 1:54 pm Post subject: Dead stick practice |
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Hmm - not sure I agree with this one. However it depends upon location. When I was on Skis and lived on a lake in Canada I would switch of at about 3,00ft over the lake and glide around and practice my spot landings. It was great practice and i was amazed how far I was out when I first started.
After a while it became very easy to control my descent and use slips etc to land "on the numbers".
The only caveat here is I had basically unlimited area to land and if I landed long or short it made no difference
I learned a lot from that!
Gary
Gary Algate
SMC, Exploration
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14/12/2008 01:05 AM
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Subject
Re: Dead stick practice
Lynn,
I just have to say this (at the risk of being called an old lady )! Please don't practice dead stick landings. I had expected someone to already bring this up but it hasn't happened. Practicing deadsticks is a good way to smash your airplane into pieces. As an example we had a guy at our field (Navy student) who decided to practice an engine out in a Yankee(nice airplane) so he came over the field at high key, low key final and promptly crashed his airplane on the field. He was OK but the plane was totaled. If something happens enroute or you misjudge, or the engine doesn't start, you are screwed. I have had three dead sticks in my Kitfox. All occurred on final when the engine quit due to low idle rpm on my engine. I now have that resolved. This happened when I first bought the aircraft and I must admit it does glide good. The first dead stick (have had many since) for me was in a T-28 which occurred when the master rod broke at 3000 feet. I glided that one to NAS whiting field and landed 500 ft short of the runway on the grass. That airplane is now on static display. The military and flight schools have long given up actual dead stick landings as too many aircraft were destroyed. One more thing and I will leave you alone.( as I highly respect your writing) Glider training will absolutely help out a sport or any other pilot. You will learn more about your aircraft then you could have imagined and the training will apply to any aircraft! ( I even used it in flying P-3's over mountainous terrain and on approaches) There, I have said it and I am done. It would bother me if one of our new pilots decided to shut his engine down to glide around, misjudged and then crunched his airplane (besides, rapid cooling is not good on the engine)
Dick Maddux
Fox 4-1200
912UL
Pensacola,Fl
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crazyivan
Joined: 25 Aug 2006 Posts: 62 Location: Pensacola
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Posted: Sat Dec 13, 2008 6:38 pm Post subject: Re: Dead stick practice |
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The way I see it, any way you do it you are taking a risk.
Lynn's practice is risky but he'll be well qualified to save himself, his passenger, and his aircraft when the engine decides to quit without a guaranteed landing strip within gliding distance.
On the other hand, killing your perfectly good engine to practice a dead-stick is tempting fate if you are not trained and proficient. The catch-22 is if you can't do it under a controlled situation then you probably won't be able to when everything goes to hell.
My only armchair quarterbacking of Lynn's practice is that I wouldn't do it on a 1700' field. I'd go with a 3000' or 4000' field and pick a point about 1000' down the runway to aim for. If I run out of energy then I'd still have room to safely land short. If I'm too fast then an extra 1000' or 2000' will come in handy.
Great topic for discussion. Thanks Lynn.
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Piper PA-22/20 |
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patreilly43(at)hotmail.co Guest
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Posted: Sat Dec 13, 2008 7:10 pm Post subject: Dead stick practice |
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Lynn C Do you usually slip in when dead sticking to keep plenty of speed. If your gliding in from a distance at a slow speed and misjudge C you can run out of energy. 1700' might not sound like alot of runway. But C with a plane that can be landed in a few hundred feet C 1700' is quite a long field as long as your using the whole runway. Most of my flight has been in an ultralite that stalled at 19 mph. You never worried about not enough runway. As a matter of fact C you could do as many touch and goes on 1 landing as you wanted to on almost any field.
Pat Reilly
Mod 3 582 Rebuild
Rockford C IL
Quote: | Subject: Re: Dead stick practice
From: dmivezic(at)yahoo.com
Date: Sat C 13 Dec 2008 18:38:07 -0800
To: kitfox-list(at)matronics.com
--> Kitfox-List message posted by: "crazyivan" <dmivezic(at)yahoo.com>
The way I see it C any way you do it you are taking a risk.
Lynn's practice is risky but he'll be well qualified to save himself C his passenger C and his aircraft when the engine decides to quit without a guaranteed landing strip within gliding distance.
On the other hand C killing your perfectly good engine to practice a dead-stick is tempting fate if you are not trained and proficient. The catch-22 is if you can't do it under a controlled situation then you probably won't be able to when everything goes to hell.
My only armchair quarterbacking of Lynn's practice is that I wouldn't do it on a 1700' field. I'd go with a 3000' or 4000' field and pick a point about 1000' down the runway to aim for. If I run out of energy then I'd still have room to safely land short. If I'm too fast then an extra 1000' or 2000' will come in handy.
Great topic for discussion. Thanks Lynn.
--------
Dave
Speedster 912 UL
Read this topic online here:
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rexinator(at)gmail.com Guest
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Posted: Sat Dec 13, 2008 10:05 pm Post subject: Dead stick practice |
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Well that's true Lynn. My comment was intended to humorously point out
that if you were going to practice without instruction it's best to be
very certain you will make the runway as Michel was.
I recall a fun and challenging maneuver that my Commercial training
included. Abeam the runway numbers throttle was reduced to idle and you
were expected to judge your base and final turns such that you touched
down precisely on the numbers at stall speed without adding power. The
use of flaps was optional. If you overshot or undershot or really had to
add power then the exercise was a fail and you did a go-around to try
again. Of course you had to deviate considerably early from the normal
pattern turn points, but it made you aware of how the airplane would
perform if you suddenly lost power in the pattern. I would suggest it to
be quite helpful as a method to practice prior to actual dead stick
practice. This is something any instructor might have taught student
pilots, but I don't recall practicing it until Commercial training.
As for gliders all of them I'm aware of use spoilers during the
standard approach so that you sink much more rapidly and must judge your
approach to compensate for the steeper angle of decent. This method
gives you a safety factor of reserve lift which allows you to employ the
"spoiled lift" if you are misjudging your approach or unexpected
conditions are encountered such as sinking air. For dead stick practice
I think probably the best you can do is to simulate a glider procedure
in a powered airplane by adding flaps or use slips to reduce the glide
when you are over your intended landing site. Then you will have in
reserve your option of retracting flaps or coming out of the slip to
regain the best glide. Something to suggest to your instructor in case
they only plan for engine power as a reserve safety factor during engine
out practice..
Rex
KF2 582
Colorado
Lynn Matteson wrote:
Quote: |
All due respect, Michel and Rex, what is there left to do once you've
crossed the threshold? I say this with the understanding of the
landing procedure that comes with nearly 600 hrs of flying and way
over 1000 landings (I haven't totaled up my logbook in ages) I feel
that the real skill in a dead stick landing comes from battling the
winds aloft, if there are any, and getting the seat-of-the-pants feel,
and three dimensional view of your world at say 500-1000 feet up. At
least this is what I used in my (1) emergency dead stick last fall,
and (2) my "pretend" emergency dead stick just the other day.
Lynn Matteson
Kitfox IV Speedster, taildragger
Jabiru 2200, #2062, 596+ hrs
Sensenich 62x46
flying again after rebuild, and new Electroair direct-fire ignition
system;
also building a new pair of snow skis
On Dec 13, 2008, at 1:38 PM, Rexinator wrote:
>
>
> See, That's what I'm talking about! Michel knows how to do dead stick
> practice safely.
>
> Rex
> Do not archive
>
> Michel Verheughe wrote:
>>> From: Rex Hefferan [hefferans(at)gmail.com] I feel I should clarify
>>> that my comments were intended to encourage getting glider training.
>>>
>>
>> To that, I'd like to add that when my son started flying my
>> taildragger Kitfox 3, he had about 50 hours in a Blanik glider and
>> he mastered the Kitfox in no time. Glider training is really the
>> best training. This being said, I do dead-stick landing but ... with
>> a very good margin of security. The first time I did it was on a
>> runway 8,500 ft long. I was already passed the threshold when I
>> switched off the engine.
>>
>> Cheers,
>> Michel Verheughe
>> Norway
>> Kitfox 3 - Jabiru 2200 ... flying now as PAX
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Paul A. Franz, P.E.
Joined: 02 Dec 2008 Posts: 280 Location: Bellevue WA
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Posted: Sat Dec 13, 2008 10:45 pm Post subject: Dead stick practice |
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On Sat, December 13, 2008 9:31 am, Rex Hefferan wrote:
Quote: |
I feel I should clarify that my comments were intended to encourage getting glider
training. I also cringe at the idea of trying to gain experience at dead stick flying
before some proper training.
|
When I got my first training I was fortunate to have an exceptional flight instructor.
He was a career flight instructor in the USAF and had logged more than 25,000 hours of
instructor time. At the time he was the head test pilot for the Boeing YC-14 program.
His name is Dale Ranz. He could fly absolutely anything and do it well. He told me the
first priority was safety, the second protecting the equipment and third priority was
passenger comfort. This is what he said was military practice and it differs from
commercial flight in priority where passenger comfort takes first billing. That said,
before I elaborate on what I was taught I'll digress into procedure which would apply
to any powered airplane.
Assuming you've been given the lift off speed and the climb out speed that will work
on the first take-off then you should always experimentally determine a few numbers.
You need to know the power off stall speed and the approximate power setting to
maintain flight at the traffic pattern downwind speed. All landings should be planned
for a standard traffic pattern. That is you enter midfield on a 45 deg angle to
downwind. The traffic pattern altitude and size of the traffic pattern should be
chosen to be a standard one that you always use and that should be such that if you
lost power completely at any point in the pattern, you can always make a normal
landing. In my training, normal procedure was power to idle (dead stick) when rolling
level on base. The speed would be maintained at approx 5 knots lower than downwind
speed. The when turning final, the wings rolled level, you again reduce the speed
another 5 knots. Still at idle. Your final approach speed is selected to be approx 15%
higher than stall speed for the loaded configuration you're flying. That way you can
adjust the touch down point as needed by simply raising the nose or slipping as needed
to touch down close to the thresh hold. This makes every landing a short field landing
with power to idle. The touchdown should occur right at or slightly below the stall
speed. This minimizes the transition time and distance between flying and control with
wheels and brakes.
This technique is properly performed with a noticeably impact without bouncing. This
impact absorbs a significant amount of the kinetic energy of the moving aircraft and
minimizes tire skidding with hard braking because there is little lift from the wings.
Here's where passenger comfort is placed last behind safety and protection of the
equipment. That is the military way. The commercial aircraft operation will not choose
to do it this way. They prefer power on approaches with feather weight touchdown
forces and minimum crab angles. Passengers are frightened and uncomfortable with any
sudden movements and sensations. There are examples where passenger comfort can be
facilitated with no loss of performance or safety. One practice I had developed (on a
Cherokee Arrow) was to make nearly instantaneous flap position changes. One notch of
flaps on takeoff and as soon as I reached best angle speed, I would raise the flaps -
click!
To a passenger, especially a non-pilot, this sudden change in pitch is really a rude
sensation. So, I was counciled to take 2 to 3 seconds to retract the flaps or lower
them for each notch. 20, 45 and 60 deg.
So in summary, I think best practice is to determine the traffic pattern altitude and
points to turn base and final and the speeds and always observe them. For tower
controlled airfields the normal traffic pattern altitude is 1000' AGL and for
non-controlled strips it is 800' AGL. You need to determine how far you need to be
from runway centerline on downwind, how far past the thresh hold for base and what
your ideal final approach speed should be without power.
If you do this, you will always be able to land dead stick as every landing done is
dead stick normally. The idea of a traffic pattern is to be able to land without power
at any point.
A couple of very strong points have been made about glider flying. Glider pilots learn
skills to keep them aloft for as long as possible. Often using terrain features, cloud
cover and even terrain color to keep them in an updraft more of the time than they are
in a downdraft.
Another point that has been made is that sudden engine temperature changes can shorten
the life or even break and engine. For that reason, when practicing touch and go's
people don't do them near the runway thresh hold but rather nearer midfield. They
usually don't do dead stick landings and take 3 to 4 seconds to advance the throttle
on take-off. Your reasons for practicing these could be many but smooth directional
control, crosswinds, and consistency are some of those reasons.
So, it doesn't seem fitting to me to advise people not to do dead stick landings until
they have had adequate training, since training should have been doing them from the
very start.
Quote: | One of the most important skills gliding teaches is understanding and managing your
glide energy. Weather and air currents are about equally important and as a powered
plane pilot you are not as concerned as you must be when gliding. Terrain features
become another vital aspect of gliding that can be very helpful to powered flight.
If nothing else, get a sailplane flight instruction book and study this wonderful
realm of flight.
|
That is a very solid tip, IMHO.
--
Paul A. Franz
Registration/Aircraft - N14UW/Merlin GT
Engine/Prop - Rotax 914/NSI CAP
Bellevue WA
425.241.1618 Cell
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_________________ Paul A. Franz, P.E.
Registration/Aircraft - N14UW/Merlin GT
Engine/Prop - Rotax 914/NSI CAP
Bellevue WA
425.241.1618 Cell
425.440.9505 Office |
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Michel
Joined: 10 Jan 2006 Posts: 966 Location: Norway
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Posted: Sun Dec 14, 2008 12:25 am Post subject: Dead stick practice |
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Quote: | From: gary.algate(at)sandvik.com
When I was on Skis and lived on a lake in Canada I would switch of at
about 3,00ft over the lake and glide around and practice my spot landings.
|
.. Aha! Wasn't it you who gave me the idea to do the same, Gary? It all comes back to me now and my wife is wrong saying that I am senile!
Cheers,
Michel Verheughe
Norway
Kitfox 3 - Jabiru 2200 ... flying as PAX
Do not archive
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Lynn Matteson
Joined: 10 Jan 2006 Posts: 2778 Location: Grass Lake, Michigan
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Posted: Sun Dec 14, 2008 6:45 am Post subject: Dead stick practice |
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When you say "usually" Pat, of the two.....that is TWO....dead stick
(and I mean DEAD stick....(some people writing about this recently
consider idle speed to be dead stick...I'm calling propellor
*stopped* dead stick...not idling, not windmiling...STOPPED, as in
not moving) ) landings that I've made, the "engine blown up, not
producing power, windmilling at first, then stopped" landing was a
seat of the pants landing that began at 1000'AGL and was a normal
downwind, base, and final approach, over a road, avoiding a tree (not
a factor), and glide into a wheat field, all based on previous visual
determinations of hundreds of landings at various types of airports,
mostly grass, with various factors involved...lakes, streams, swamps,
hills, trees, buildings, power lines, some with my instructor holding
his hand over the airspeed indicator (a few times), once with the
instructor slipping it down to maybe 200' AGL then giving it back to
me (saying, "I was just messing with you") and having me finish it
up, into undulating runways which might or might not run up or
downhill, and which might or might not have snow on them....now,
where was I?
..oh, yeah, of the two dead stickers, I only had to slip it in on
this last one, because I felt like I was a bit high, then realized I
had slowed it a bit too much in the slip and had to point it down
after I cleared the 50'-60' trees near the end of the runway, to pick
up some speed, then leveled off and landed normally.
I normally slip it when I'm too high, or have to bring it in over
some trees.
There is a place about 20 miles from home (our Saturday morning
coffee and lie-telling gathering place) where there are 50'-70' trees
at both ends of a 2400' strip, and I mean right AT the ends, with
swamp to the south end, and a power line on the north end thrown in
for good measure. This is where I get some good slip-in practice.
I'll slip it in over the trees, then considering whether I'm landing
18 (away from the coffee house) or 36 (toward it), I'll either add
power and float toward the coffee before touching down (so I don't
have to taxi so far) , or cut the power to 800-900 rpm, and touch
down sooner and get on the brakes (so I don't have to taxi so far).
These landings usually involve getting off to the side of the runway
after touchdown, so as to avoid the planes that are following you
(sometimes at a safe distance even), or watching out for the already-
landed planes, who are taxiing toward the coffee house. We may get as
many as 18 planes (Cubs, Tri-Pacers, Aeroncas, an Ercoupe, Cessna
150's, 170's, 172's, 180's, a Midget Mustang II, Ultralights,
Stinsons, a Quail, Taylorcrafts, my Kitfox, and another that puts
mine to shame (Hi, John May) ), in there, or as few as 1...me, on
skis.
Anybody in the vicinity of Hanover, Michigan is welcome to "slip in"
on Saturday morning about 9:30 to about noon. Just holler and I'll
give you the coordinates.
Lynn Matteson
Kitfox IV Speedster, taildragger
Jabiru 2200, #2062, 596+ hrs
Sensenich 62x46
flying again after rebuild, and new Electroair direct-fire ignition
system;
also building a new pair of snow skis
On Dec 13, 2008, at 10:10 PM, patrick reilly wrote:
Quote: | Lynn, Do you usually slip in when dead sticking to keep plenty of
speed. If your gliding in from a distance at a slow speed and
misjudge, you can run out of energy. 1700' might not sound like
alot of runway. But, with a plane that can be landed in a few
hundred feet, 1700' is quite a long field as long as your using the
whole runway. Most of my flight has been in an ultralite that
stalled at 19 mph. You never worried about not enough runway. As a
matter of fact, you could do as many touch and goes on 1 landing as
you wanted to on almost any field.
Pat Reilly
Mod 3 582 Rebuild
Rockford, IL
> Subject: Re: Dead stick practice
> From: dmivezic(at)yahoo.com
> Date: Sat, 13 Dec 2008 18:38:07 -0800
> To: kitfox-list(at)matronics.com
>
>
>
> The way I see it, any way you do it you are taking a risk.
>
> Lynn's practice is risky but he'll be well qualified to save
himself, his passenger, and his aircraft when the engine decides to
quit without a guaranteed landing strip within gliding distance.
>
> On the other hand, killing your perfectly good engine to practice
a dead-stick is tempting fate if you are not trained and
proficient. The catch-22 is if you can't do it under a controlled
situation then you probably won't be able to when everything goes
to hell.
>
> My only armchair quarterbacking of Lynn's practice is that I
wouldn't do it on a 1700' field. I'd go with a 3000' or 4000' field
and pick a point about 1000' down the runway to aim for. If I run
out of energy then I'd still have room to safely land short. If I'm
too fast then an extra 1000' or 2000' will come in handy.
>
> Great topic for discussion. Thanks Lynn.
>
> --------
> Dave
> Speedster 912 UL
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p 19270#219270
>
>
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>
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Kitfox IV-Jabiru 2200
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Lynn Matteson
Joined: 10 Jan 2006 Posts: 2778 Location: Grass Lake, Michigan
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Posted: Sun Dec 14, 2008 7:01 am Post subject: Dead stick practice |
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Exactly....thanks, Dave. I advocate flying into different
airfields, strips, whatever, (as long as it's a known airfield),
especially if it doesn't have the familiar cones, windsocks, tower,
runway markings, etc., that key into our minds the familiar picture
of the landing process. This helps us determine where the field
begins and ends, and allows us to visualize those markings if we need
them, or allows us to be able to land without those "crutches." Don't
get me wrong, those markings are necessary for some folks, but
practicing without them is where the real-world emergency training
comes in.
Lynn Matteson
Kitfox IV Speedster, taildragger
Jabiru 2200, #2062, 596+ hrs
Sensenich 62x46
flying again after rebuild, and new Electroair direct-fire ignition
system;
also building a new pair of snow skis
On Dec 13, 2008, at 9:38 PM, crazyivan wrote:
(snip)
Quote: | On the other hand, killing your perfectly good engine to practice a
dead-stick is tempting fate if you are not trained and proficient.
The catch-22 is if you can't do it under a controlled situation
then you probably won't be able to when everything goes to hell.
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(snip)
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815TL
Joined: 10 Oct 2008 Posts: 62
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Posted: Sun Dec 14, 2008 10:02 am Post subject: Re: Dead stick practice / Soarability? |
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Has anyone actually tried to soar in a Kitfox? I have about 20 hours in gliders. Every landing in a glider is an emergency, you have one shot at it. So those of you that shut down and glide a ways, have you ever looked for any thermals, or ridge soar? The Schweizer 2-33s that I trained in were about the same weight as the Kitfox, and had a lift to drag of about 18:1. The Kitfox, with about 12:1, and lightweight, although not perfect for soaring, should do so quite well. Around my area, thermals are of medium strength, but it was not uncommon to hit a thermal of 400-500FPM climb on a decent day.
Seems like it might be kind of fun to go up about 3000', shut down and search for a thermal. Knowing you can re-start and head back to your field when you are done, is big plus.
Andrew
Kitfox II, 815TL, Rotax 582-C
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rexinator(at)gmail.com Guest
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Posted: Sun Dec 14, 2008 10:19 am Post subject: Dead stick practice |
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Since there has been more detail here about the practice of true dead
stick (which I should reveal I have not really practiced yet) I think I
ought to add a bit more to the glider procedures I provided.
In gliders for the standard landing you apply half spoilers so that
you still can adjust your glide angle steeper or shallow it out as the
approach progresses. Once you touch down it's full spoilers and you stay
down. To relate that to a practice dead stick approach you might
consider the propeller drag factor at idle that reduces your glide angle
as similar to adding some amount of flaps.
I think the point is to consider the possible configurations your
aircraft may have under the conditions you might find yourself and plan
your practice to simulate those conditions. You want to give yourself a
way to adjust your glide so you have the best chance of reaching that
precise point you chose for landing. Another way for example; my flight
school taught that a certain amount of RPM equated to a stopped
propeller at V_L/D (best Lift over Drag) so that was how we practiced
engine out. (mostly for insurance reasons and FAA suggestions). There
are ways to do these things with relative safety and an instructor
should know how to figure them out. If you as a pilot are confident you
know enough to figure them out then it is your risk as always.
Paul offers excellent advice and I highly respect his input. I also
highly respect Lynn who has related his experience which shows there can
be a lot of variables to an actual emergency. Many of these are things
we may not think of as we apply our limited knowledge into practice.
Even the best instructor hasn't seen it all yet, but it's very unlikely
they will be surprised by the things we might encounter. They would
handle in stride what we might find way over our skill level. So by all
means get your instructor to challenge your comfort level. Because of
it, one day you might still be around to thank him. I know I'll need a
lot of remedial training once I start flying again.
Rex
M2 582
Colorado
Lynn Matteson wrote:
Quote: |
When you say "usually" Pat, of the two.....that is TWO....dead stick
(and I mean DEAD stick....(some people writing about this recently
consider idle speed to be dead stick...I'm calling propellor *stopped*
dead stick...not idling, not windmiling...STOPPED, as in not moving)
) landings that I've made, the "engine blown up, not producing power,
windmilling at first, then stopped" landing was a seat of the pants
landing that began at 1000'AGL and was a normal downwind, base, and
final approach, over a road, avoiding a tree (not a factor), and glide
into a wheat field, all based on previous visual determinations of
hundreds of landings at various types of airports, mostly grass, with
various factors involved...lakes, streams, swamps, hills, trees,
buildings, power lines, some with my instructor holding his hand over
the airspeed indicator (a few times), once with the instructor
slipping it down to maybe 200' AGL then giving it back to me (saying,
"I was just messing with you") and having me finish it up, into
undulating runways which might or might not run up or downhill, and
which might or might not have snow on them....now, where was I?
...oh, yeah, of the two dead stickers, I only had to slip it in on
this last one, because I felt like I was a bit high, then realized I
had slowed it a bit too much in the slip and had to point it down
after I cleared the 50'-60' trees near the end of the runway, to pick
up some speed, then leveled off and landed normally.
I normally slip it when I'm too high, or have to bring it in over some
trees.
There is a place about 20 miles from home (our Saturday morning coffee
and lie-telling gathering place) where there are 50'-70' trees at both
ends of a 2400' strip, and I mean right AT the ends, with swamp to the
south end, and a power line on the north end thrown in for good
measure. This is where I get some good slip-in practice. I'll slip it
in over the trees, then considering whether I'm landing 18 (away from
the coffee house) or 36 (toward it), I'll either add power and float
toward the coffee before touching down (so I don't have to taxi so
far) , or cut the power to 800-900 rpm, and touch down sooner and get
on the brakes (so I don't have to taxi so far). These landings usually
involve getting off to the side of the runway after touchdown, so as
to avoid the planes that are following you (sometimes at a safe
distance even), or watching out for the already-landed planes, who are
taxiing toward the coffee house. We may get as many as 18 planes
(Cubs, Tri-Pacers, Aeroncas, an Ercoupe, Cessna 150's, 170's, 172's,
180's, a Midget Mustang II, Ultralights, Stinsons, a Quail,
Taylorcrafts, my Kitfox, and another that puts mine to shame (Hi, John
May) ), in there, or as few as 1...me, on skis.
Anybody in the vicinity of Hanover, Michigan is welcome to "slip in"
on Saturday morning about 9:30 to about noon. Just holler and I'll
give you the coordinates.
Lynn Matteson
Kitfox IV Speedster, taildragger
Jabiru 2200, #2062, 596+ hrs
Sensenich 62x46
flying again after rebuild, and new Electroair direct-fire ignition
system;
also building a new pair of snow skis
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rexinator(at)gmail.com Guest
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Posted: Sun Dec 14, 2008 10:25 am Post subject: Dead stick practice |
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Hey Andrew, Looks like you might be a good candidate for it. If no one
reports first, give it a try and tell us how it went. I'd be interested
since we have the same model and engine.
Rex
M2 582-C
Colorado
815TL wrote:
Quote: |
Has anyone actually tried to soar in a Kitfox? I have about 20 hours in gliders. Every landing in a glider is an emergency, you have one shot at it. So those of you that shut down and glide a ways, have you ever looked for any thermals, or ridge soar? The Schweizer 2-33s that I trained in were about the same weight as the Kitfox, and had a lift to drag of about 18:1. The Kitfox, with about 12:1, and lightweight, although not perfect for soaring, should do so quite well. Around my area, thermals are of medium strength, but it was not uncommon to hit a thermal of 400-500FPM climb on a decent day.
Seems like it might be kind of fun to go up about 3000', shut down and search for a thermal. Knowing you can re-start and head back to your field when you are done, is big plus.
Andrew
Kitfox II, 815TL, Rotax 582-C
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rjdaugh
Joined: 30 Aug 2006 Posts: 195
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Posted: Sun Dec 14, 2008 10:25 am Post subject: Dead stick practice |
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Andrew,
I like to play glider with my series 5/7, 776 lbs. Lowest sink rate is
about 600ft/min at 60 mph. I have held at zero sink rate for a few minutes,
but so far have never gotten into positive territory. I do have big tires
which can't help any.
I have talked to others who do this and some claim some success. I really
don't believe I have hit any good thermals yet. I usually fly in the
relatively still air early or late in the day.
I used to fly gliders in Boulder Colorado and had both good thermals and
something wave lift there.
Randy
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Kitfox 5/7 912S
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Lynn Matteson
Joined: 10 Jan 2006 Posts: 2778 Location: Grass Lake, Michigan
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Posted: Sun Dec 14, 2008 4:11 pm Post subject: Dead stick practice |
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Sounds like fun, Gary....you got a game plan on when you'll be back
over here to try some more of that? And by the way, how did you get
your Kitfox over there in Oz? I think you mentioned it, but I've
forgotten. This would be a refresher course for others who might like
to ship their planes.
Lynn Matteson
Kitfox IV Speedster, taildragger
Jabiru 2200, #2062, 596+ hrs
Sensenich 62x46
flying again after rebuild, and new Electroair direct-fire ignition
system;
also building a new pair of snow skis
do not archive
On Dec 13, 2008, at 4:53 PM, gary.algate(at)sandvik.com wrote:
Quote: |
Hmm - not sure I agree with this one. However it depends upon
location. When I was on Skis and lived on a lake in Canada I would
switch of at about 3,00ft over the lake and glide around and
practice my spot landings. It was great practice and i was amazed
how far I was out when I first started.
After a while it became very easy to control my descent and use
slips etc to land "on the numbers".
The only caveat here is I had basically unlimited area to land and
if I landed long or short it made no difference
I learned a lot from that!
Gary
Gary Algate
SMC, Exploration
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Subject
Re: Dead stick practice
Lynn,
I just have to say this (at the risk of being called an old
lady )! Please don't practice dead stick landings. I had expected
someone to already bring this up but it hasn't happened. Practicing
deadsticks is a good way to smash your airplane into pieces. As an
example we had a guy at our field (Navy student) who decided to
practice an engine out in a Yankee(nice airplane) so he came over
the field at high key, low key final and promptly crashed his
airplane on the field. He was OK but the plane was totaled. If
something happens enroute or you misjudge, or the engine doesn't
start, you are screwed. I have had three dead sticks in my Kitfox.
All occurred on final when the engine quit due to low idle rpm on
my engine. I now have that resolved. This happened when I first
bought the aircraft and I must admit it does glide good. The first
dead stick (have had many since) for me was in a T-28 which
occurred when the master rod broke at 3000 feet. I glided that one
to NAS whiting field and landed 500 ft short of the runway on the
grass. That airplane is now on static display. The military and
flight schools have long given up actual dead stick landings as too
many aircraft were destroyed. One more thing and I will leave you
alone.( as I highly respect your writing) Glider training will
absolutely help out a sport or any other pilot. You will learn more
about your aircraft then you could have imagined and the training
will apply to any aircraft! ( I even used it in flying P-3's over
mountainous terrain and on approaches) There, I have said it and I
am done. It would bother me if one of our new pilots decided to
shut his engine down to glide around, misjudged and then crunched
his airplane (besides, rapid cooling is not good on the engine)
Dick
Maddux
Fox
4-1200
912UL
Pensacola,Fl
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Float Flyr
Joined: 19 Jul 2006 Posts: 2704 Location: Campbellton, Newfoundland
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Posted: Mon Dec 15, 2008 8:26 pm Post subject: Dead stick practice |
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I think practicing deadstick on large transport category aircraft on limited
runways...probably a bad idea.
Practicing deadstick just about anywhere you have level ground... or water
(floats ) a good idea.
Noel
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JetPilot
Joined: 10 Jan 2006 Posts: 1246
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Posted: Wed Dec 17, 2008 6:31 pm Post subject: Re: Dead stick practice |
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Dick Maddux wrote: |
Practicing deadsticks is a good way to smash your airplane into pieces. As an example we had a guy at our field (Navy student) who decided to practice an engine out in a Yankee(nice airplane) so he came over the field at high key, low key final and promptly crashed his airplane on the field. He was OK but the plane was totaled.
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I could not disagree more with this statement. With the frequency that engines quit in experimental aircraft, you should most definitely have some practice with actual deadstick landings so that you don't kill yourself or unnecessarily tear up your airplane when the engine does quit.
So you saw a guy crash his airplane trying to do a deadstick landing, there are a lot more guys that save airplanes by having good skills when an engine failure does occur than the ONE example you talk about. Getting all emotional over ONE isolated example that you saw go very wrong to make a statement like you did here is not what an enlightened person would do, and shows poor judgment on your part.
You state that the military does not require pilots to practice actual deadstick landings any more is correct, you saying it is because they are too dangerous to practice is nothing short of dishonest and misrepresenting the truth. Except for a few exceptions, all military aircraft are now turbine powered. Turbine engines are so reliable that the threat of power failures is almost NOTHING compared to what the Kitfox community faces. Also, given the extreme landing speeds, hydraulic systems, and characteristics of modern turbine aircraft, it would be very dangerous to practice dead stick landings. Then again, this has NOTHING to do with practicing actual deadstick in a single engine light aircraft. So if you have a point to make, be a little more honest than trying to say what applies to military jets also applies to Kitfox aircraft.
For those of you that do try actual engine out, be very careful, give yourself plenty of room to come up short AND go long... I use an airport with two 5000 foot runways at 90 degrees to practice for this. Here is how I do this and give myself miles of extra room to land. I set up to land in a standard pattern to runway 9. If I find myself to low on downwind, I make a 90 degree turn from downwind to enter an immediate final to runway 18 and land... If normal, I make the full pattern to runway 9, and have a mile of runway to stop should I end up very long. The key to safety is to have very large landing areas, and lots of options. As with anything in aviation, if you use poor judgment, and make mistakes you can have an accident. If you are a new pilot, or just don't have the skill to practice actual deadstick landings, get a qualified pilot to instruct you.
The LAST time you want to practice an actual engine landing is with a passenger over tight areas. Having the motor off will is a very big shock if you have never actually experienced it before, and you are almost guaranteed to screw it up. Practice it, and you will do a much better job in the emergency landing. Engines in Kitfoxes fail with enough frequency that it is important to be able to deal with it confidently when it happens.
Mike
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lcfitt(at)sbcglobal.net Guest
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Posted: Thu Dec 18, 2008 3:32 pm Post subject: Dead stick practice |
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Mike,
I'm still trying to figure you out. For a young buck with a few hours in
your log book you sure have strong opinions you like to put out as FACTS. I
can respect opinions, but personal attacks go beyond my personal ability to
keep quiet. Frankly, I think the "poor judgement" is all yours in your
posting style. I'd sure like to see you in a face to face discussions with
some of the folks you like to diss. I can see it now, you sitting there
with your 300 hours in a grown up ultralight facing a real pilot - 18,000
hours in everything from Super Cubs and Pitts s2bs to B-777s, instructed in
the military and for the airlines (Would you believe in real jets),
currently a CFI and you telling him about airplanes
Sheesh
Lowell
do not archive
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Dick Maddux
Joined: 24 Jun 2008 Posts: 516 Location: Milton, Fl
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Posted: Thu Dec 18, 2008 4:11 pm Post subject: Dead stick practice |
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Mike you remind me of some of the young co pilots I used to have. I didn't know whether I was going to choke them or burp them. As soon as you get the 18000 hours of flight time as I have then you can speak up. As a former Navy flight instructor, Airline flight instructor and current CFI I think I have a little knowledge of flying. I am certainly not being "dishonest or misrepresenting" anything. How many flight schools shut down the engine during practice engine outs? Not many I am sure. I have had my share of actual engine outs and dead stick landings both in military and civilian aircraft. I don't believe a Kolb ultra light falls in the same class certainly as far as speed or weight matters let alone the people you are carrying. Try shutting down a Cont or Lyc and get stuck on a compression stroke. You have to stick the aircraft on it's nose going straight down to get it started (sans a good starter) Not to perform dead stick landings is my opinion. I would hate to hear of one of our pilots "buying the farm" or destroying an aircraft because of intentionally shutting down his engine. Practice with the engine at idle. The glide engine out is fairly close to that. I know most of you guys will shut the engine down anyway and that's fine but if something were to happen and I didn't at least mention it then I would feel bad for not saying anything. And Mike, how about knocking off the personal attacks. You have an opinion and so do I. There is a lot of good useful information that takes place here and I for one enjoy it as every airplane is a new challenge with much to learn
Dick Maddux
Pensacola ,Fl
PS; Please leave Lowell Fitt alone also. He is a great guy and works very hard to supply good stuff for our airplanes and is certainly not making any money at it
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