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rickofudall
Joined: 19 Sep 2009
Posts: 1392
Location: Udall, KS, USA
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 Posted: Wed Nov 04, 2009 7:05 pm Post subject: Autumn flight in Kansas |
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After the chickens and guineas were loosed, the dog walked, and the second cup of coffee, I hit the hangar determined to get two projects done. One, build a camera mount to go on the top of the left strut and, two, tuft up the left side of the fuselage and go fly around and film the tufts. The camera mount was pretty straight forward, just a couple of pieces of aluminum angle and a few holes. Tufting up the fuselage didn't take long and by the time I had Zulu Delta all fueled and ready it occurred to me that my neighbor, John, had asked me about how the Kolb landed with flaps. Seemed like a great way to get him to take a few pictures so I did a half flap take off and landing then a full flap landing after which I departed the pattern to go see if my first attempt at aerial videography would net me anything. The little Nikon did great although the contrast when the camera was in the shade and I was backlighted was a bit too much to ask. The tuft study was done at airspeeds from 62 to 84 mph and confirmed what I suspected. The sides aft of the pilot on the Mk IIIC are pretty much stagnated or otherwise disturbed. only the most aft tufts showed straight flow going into the prop. In the middle of the panel all the tufts point upward at ever increasing angles as speed increases. Those just behind the widest point of the fuselage are very disturbed. The two upper ones got entangled almost immediately and stayed that way throughout the flight regardless of speed. The most curious was the lowest tuft in the second row aft. It pointed forward no matter the speed while both the ones immediately forward and aft of it were pointing aft and up.
Now I have to learn to use Movie Maker so I can cut the video down and add titles for each of the speed ranges. As soon as I have it ready I'll post it on You Tube.
Although I didn't film or get any pictures of the second flight of the day. I got the prop extension bolts just after noon and had the extension on in time to make a flight just before sundown. I suspect, given that my tach bouncing problem reappeared, although milder than running the two blade prop, that my next project is going to be a prop balancer.
Rick Girard
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ces308
Joined: 03 Nov 2008
Posts: 317
Location: houghton lake ,mi
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| Posted: Wed Nov 04, 2009 7:40 pm Post subject: Re: Autumn flight in Kansas |
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Rick,
Nice pictures ! Second...do you think VG's would help the cabin side area??
chris ambrose
Mark III Xtra / Jabiru A-2200
N327CS
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Richard Pike
Joined: 09 Jan 2006
Posts: 1671
Location: Blountville, Tennessee
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| Posted: Wed Nov 04, 2009 7:57 pm Post subject: Re: Autumn flight in Kansas |
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| ces308 wrote: | Rick,
Nice pictures ! Second...do you think VG's would help the cabin side area??
chris ambrose
Mark III Xtra / Jabiru A-2200
N327CS |
Get some VG's some tape, and stick them in various places on the doors, fuselage sides, etc. And film all of them. You might get lucky.
At worst, it would be like feeding crackers to a dead man...couldn't hurt much... Tell everybody you're on an FFF project - flyin', filmin, and foolin around... As long as you can annoy Al Gore by adding CO2 to feed the cabbages it's all good...
Richard Pike
MKIII N420P (420ldPoops)
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rickofudall
Joined: 19 Sep 2009
Posts: 1392
Location: Udall, KS, USA
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| Posted: Thu Nov 05, 2009 6:09 am Post subject: Autumn flight in Kansas |
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Richard, I don't want to annoy anybody. I offset the carbon from the 582 by keeping the thermostat in my house at 55 and doing solar harvesting (opening and closing blinds to follow the sun's track, not very high tech but it works) For what it's worth, I know about climate change, I grew up in the central valley of California and watched it happen there. I moved to Seattle in the late 70's and watched it go from clear skies and clean air to air pollution alerts within 20 years. If you want to believe the industry lackeys and outright liars, feel free. I'll believe my eyes.
Rick
Do not archive
On Wed, Nov 4, 2009 at 9:57 PM, Richard Pike <richard(at)bcchapel.org (richard(at)bcchapel.org)> wrote:
[quote]--> Kolb-List message posted by: "Richard Pike" <richard(at)bcchapel.org (richard(at)bcchapel.org)>
ces308 wrote:
> Rick,
>
> Nice pictures ! Second...do you think VG's would help the cabin side area??
>
> chris ambrose
> Mark III Xtra / Jabiru A-2200
> N327CS
Get some VG's some tape, and stick them in various places on the doors, fuselage sides, etc. And film all of them. You might get lucky.
At worst, it would be like feeding crackers to a dead man...couldn't hurt much... Tell everybody you're on an FFF project - flyin', filmin, and foolin around... As long as you can annoy Al Gore by adding CO2 to feed the cabbages it's all good...
Richard Pike
MKIII N420P (420ldPoops)
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slyck(at)frontiernet.net
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| Posted: Thu Nov 05, 2009 6:30 am Post subject: Autumn flight in Kansas |
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I'm looking forward to those movies.
BB
do not archive
On 4, Nov 2009, at 10:04 PM, Richard Girard wrote:
| Quote: | After the chickens and guineas were loosed, the dog walked, and the
second cup of coffee, I hit the hangar determined to get two
projects done. One, build a camera mount to go on the top of the
left strut and, two, tuft up the left side of the fuselage and go
fly around and film the tufts. The camera mount was pretty straight
forward, just a couple of pieces of aluminum angle and a few holes.
Tufting up the fuselage didn't take long and by the time I had Zulu
Delta all fueled and ready it occurred to me that my neighbor, John,
had asked me about how the Kolb landed with flaps. Seemed like a
great way to get him to take a few pictures so I did a half flap
take off and landing then a full flap landing after which I departed
the pattern to go see if my first attempt at aerial videography
would net me anything. The little Nikon did great although the
contrast when the camera was in the shade and I was backlighted was
a bit too much to ask.
The tuft study was done at airspeeds from 62 to 84 mph and confirmed
what I suspected. The sides aft of the pilot on the Mk IIIC are
pretty much stagnated or otherwise disturbed. only the most aft
tufts showed straight flow going into the prop. In the middle of the
panel all the tufts point upward at ever increasing angles as speed
increases. Those just behind the widest point of the fuselage are
very disturbed. The two upper ones got entangled almost immediately
and stayed that way throughout the flight regardless of speed. The
most curious was the lowest tuft in the second row aft. It pointed
forward no matter the speed while both the ones immediately forward
and aft of it were pointing aft and up.
Now I have to learn to use Movie Maker so I can cut the video down
and add titles for each of the speed ranges. As soon as I have it
ready I'll post it on You Tube.
Although I didn't film or get any pictures of the second flight of
the day. I got the prop extension bolts just after noon and had the
extension on in time to make a flight just before sundown. I
suspect, given that my tach bouncing problem reappeared, although
milder than running the two blade prop, that my next project is
going to be a prop balancer.
Rick Girard
<STOL lift off 3 resize.jpg><Half flaps and slippin resize.jpg><full
flap roundout 1 resize.jpg><All tufted up.jpg>
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