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Larger Elevator

 
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WurlyBird



Joined: 16 May 2008
Posts: 207
Location: North Pole, Alaska

PostPosted: Fri Oct 09, 2009 5:50 pm    Post subject: Larger Elevator Reply with quote

I have a laundry list of projects that involve my KF3 but aside from the new fuel lines (that will be another post all together) I am planning on starting with the larger elevator that McB offers. Does anyone have this elevator on a Mod 4 or earlier? I am looking for a little input on whether it makes a vast improvement or not. Thanks guys.

James


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James
Kitfox 3 / 582 / 70" IVO 2 blade GA
50 hrs on the 582 swapping for HKS 700E and Avid Cowl.
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PostPosted: Fri Oct 09, 2009 7:25 pm    Post subject: Larger Elevator Reply with quote

I have the larger elevator on my model IV.
 
Clint
 
[quote] Subject: Larger Elevator
From: james.t.trizzino(at)us.army.mil
Date: Fri C 9 Oct 2009 18:50:17 -0700
To: kitfox-list(at)matronics.com

--> Kitfox-List message posted by: "WurlyBird" <james.t.trizzino(at)us.army.mil>

I have a laundry list of projects that involve my KF3 but aside from the new fuel lines (that will be another post all together) I am planning on starting with the larger elevator that McB offers. Does anyone have this elevator on a Mod 4 or earlier? I am looking for a little input on whether it makes a vast improvement or not. Thanks guys.

James

--------
James
Kitfox 3 / 582 / GSC prop
The ink is still drying on my new certificate




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Quote:
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Guy Buchanan



Joined: 16 Jul 2006
Posts: 1204
Location: Ramona, CA

PostPosted: Fri Oct 09, 2009 8:36 pm    Post subject: Larger Elevator Reply with quote

At 06:50 PM 10/9/2009, you wrote:
Quote:
Does anyone have this elevator on a Mod 4 or earlier? I am looking
for a little input on whether it makes a vast improvement or not.

Have you already gap-sealed?
Guy Buchanan
San Diego, CA
K-IV 1200 / 582-C / Warp / 400 hrs. and counting


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Guy Buchanan
Deceased K-IV 1200
A glider pilot too.
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WurlyBird



Joined: 16 May 2008
Posts: 207
Location: North Pole, Alaska

PostPosted: Sun Oct 11, 2009 7:44 pm    Post subject: Re: Larger Elevator Reply with quote

Thanks for the reply Clint. . . .
So, any input on how it works? Very Happy

Guy, I have not sealed the gap although I have read a little about it. A quick search has not yet turned up any stories about it or how to do it. Have you done it? Does it make a big enough difference as to not need the larger elevator? What was your method?

As always, thanks for the help.


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James
Kitfox 3 / 582 / 70" IVO 2 blade GA
50 hrs on the 582 swapping for HKS 700E and Avid Cowl.
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Guy Buchanan



Joined: 16 Jul 2006
Posts: 1204
Location: Ramona, CA

PostPosted: Sun Oct 11, 2009 8:40 pm    Post subject: Larger Elevator Reply with quote

At 08:44 PM 10/11/2009, you wrote:
Quote:
Guy, I have not sealed the gap although I have read a little about
it. A quick search has not yet turned up any stories about it or
how to do it. Have you done it? Does it make a big enough
difference as to not need the larger elevator? What was your method?

James,
It's been a while, but to quantify: before I gap sealed I
could only get the tail wheel to about 1' of altitude when 3-pointing
with full aft stick and full flaps. After I gap sealed I was able to
easily get the tailwheel on the ground first. It was a very
noticeable difference. I was not able to notice any difference in flight.
I gap sealed using heavy duty clear packing tape. I do the
method where you take two 1 1/2" wide pieces, reversing one onto the
other so there's only about 1/2" of sticky stuff on both edges, and
then stick one edge to the top of the elevator and one to the bottom
of the horizontal, crossing the gap. I've had to replace them twice
in three-four years and 460 hours. It takes about an hour now that I
know how. If you're careful about keeping finger prints and bugs and
fuzz off it looks pretty good, too.
Guy Buchanan
San Diego, CA
K-IV 1200 / 582-C / Warp / 400 hrs. and counting


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Guy Buchanan
Deceased K-IV 1200
A glider pilot too.
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Dick Maddux



Joined: 24 Jun 2008
Posts: 516
Location: Milton, Fl

PostPosted: Mon Oct 12, 2009 5:43 am    Post subject: Larger Elevator Reply with quote

James,
I agree with Guy,the gap seals do make a big difference with the elevator . I had similar results with better elevator control when I applied the gap seals. I used to use the gap sealing method that Guy uses but the tape would start to peel after exposure to this hot Fl sun and I have gone thru three different types. I am now using and X pattern with each leg of the X about an inch long. The two pieces of tape are stuck together in the middle(sticky side to sticky side oriented top to bottom at the elevator hinge gap) This method only fills the gap and has no to little overlap on the elevator surface thus no gooey mess from the tape adhesive. One of the members on this forum mentioned this method and it has worked very well for me.
          Dick Maddux
          Fox 4
          Milton,Fl
[quote][b]


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Lynn Matteson



Joined: 10 Jan 2006
Posts: 2778
Location: Grass Lake, Michigan

PostPosted: Mon Oct 12, 2009 6:57 am    Post subject: Larger Elevator Reply with quote

I just lay 2" wide racer's tape (orange, of course) across the gap
with the elevator in the down position....then I write the date on
it. Some of the tape applied in Oct of 2008 is needing replacement.
Adhesive removal is pretty easy with mineral spirits (paint thinner).

I found that in my model airplane "career" that doing the "X"
pattern, or the over/under method, that stuff could catch in the "V"
and I didn't like that.

Lynn Matteson
Kitfox IV Speedster, taildragger
Jabiru 2200, #2062, 791.3 hrs
Countdown to 1000 hrs~211 to go
Sensenich 62"x46" Wood prop
Electroair direct-fire ignition system
Rotec TBI-40 injection
Status: flying
On Oct 12, 2009, at 9:37 AM, Catz631(at)aol.com wrote:

Quote:
James,
I agree with Guy,the gap seals do make a big difference with the
elevator . I had similar results with better elevator control when
I applied the gap seals. I used to use the gap sealing method that
Guy uses but the tape would start to peel after exposure to this
hot Fl sun and I have gone thru three different types. I am now
using and X pattern with each leg of the X about an inch long. The
two pieces of tape are stuck together in the middle(sticky side to
sticky side oriented top to bottom at the elevator hinge gap) This
method only fills the gap and has no to little overlap on the
elevator surface thus no gooey mess from the tape adhesive. One of
the members on this forum mentioned this method and it has worked
very well for me.

Dick Maddux

Fox 4

Milton,Fl
www.matronics.com/contribution _-
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Lynn
Kitfox IV-Jabiru 2200
N369LM
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PostPosted: Mon Oct 12, 2009 10:53 am    Post subject: Larger Elevator Reply with quote

 The large elevator on the Kitfox Model IV increases elevator authority with the use of flaps.  I use flaps all the time and it does increase the nose up on landing.  It also increases the stick pressure during flight C that is good because it matches the roll forces a little better.  If you want to use it on a Model 3 C probably won't work.
 
Clint
 
 
Quote:
Subject: Re: Larger Elevator
From: james.t.trizzino(at)us.army.mil
Date: Sun C 11 Oct 2009 20:44:57 -0700
To: kitfox-list(at)matronics.com

--> Kitfox-List message posted by: "WurlyBird" <james.t.trizzino(at)us.army.mil>

Thanks for the reply Clint. . . .
So C any input on how it works? Very Happy

Guy C I have not sealed the gap although I have read a little about it. A quick search has not yet turned up any stories about it or how to do it. Have you done it? Does it make a big enough difference as to not need the larger elevator? What was your method?

As always C thanks for the help.

--------
James
Kitfox 3 / 582 / GSC prop
The ink is still drying on my new certificate




Read this topic online here:

http://forums.matronics.com/viewtopic.php?p=267532#267532






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[quote]


Quote:
[b]


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