REFLECTOR: Gap Seals, fences, zig-zag tape

[SlvEgl99 at aol.com]

I added aileron gap seals, just white duct tape. Seemed to make for better  
aileron response. Then I added fences inside the ailerons and haven't had 
enough  time on them to give a definitive evaluation. I would guess better 
response, but  then I would not have made them if I didn't think that.
 
Bob Wood
XL FG
 
 
In a message dated 8/29/2009 11:57:27 A.M. Eastern Daylight Time,  
ALVentures at cox.net writes:

 
Anybody flying with aileron gap seals?  Notice a  great improvement in 
climb and responsiveness? 
Scott; 
I have flown with  the gap seal on, off, on again; and find no detectable 
difference.  I  suppose it depends on whether there is much of a gap in the 
first  place. 
He's using the zig-zag tap in front of the rudders and  says it more than 
doubled the effectiveness of them at low speeds.   No noticeable 
reduction in cruise.   Said he saw them on  Klaus S. EZ. 
Double the  effectiveness sounds like too big a change to be true.  OTOH; I 
have  never really felt that I had a lack of rudder response – but I guess I
’ve  managed to avoid landing in strong cross winds. 
He also said the trailing edge fences were a dramatic  improvement with 
no cruise speed penalty. 
I have a fence on  the in-board end of the aileron.  I can’t tell you how 
much difference it  makes because I put them on before ever flying.  I had 
seen enough  tuff-test info on EZs, and  observed oil drop tracks on Velocity, 
to  know there is span-wise flow under flow separation at high angles of 
attack. A  fence could only help, and give better aileron authority at low  
speeds. 
Al


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