Jeff, did you think about applying gap seals to the ailerons? Any reason to
do just the flaps?
Garry
----- Original Message -----
From: "Rman" <topglock@cox.net>
Sent: Sunday, May 06, 2007 4:29 PM
Subject: Re: Europa-List: Re: Flap Seals
>
> Fred,
>
> I took some pics, but haven't had a chance to post them. The process is
> dead simple, though. I cut two pieces of styrene, 2.25" wide, the length
> of the flaps (about 63"), then added the hem tape to one edge. The tape
> is 1" wide, so I marked back 1" onto the wing and drew a line with a
> grease pen, parallel to the underside of the wing edge. I then notched
> the styrene, where it had to clear the flap hinges, removed the backing
> tape from the hem tape and applied the strip to the wing. The width was
> such that it covered the gap, spilling over onto the flaps. It is not
> truly a pressure seal, but is sufficient to direct the air under the flap
> and not up, into the closeout. My guess is that it also deflects the air,
> under the flaps, even with the flaps deployed, as there is a definite lack
> of drag. If you do this mod, be prepared to re-learn your approaches and
> it wouldn't hurt to have a good bit of runway on the first few attempts...
>
> Jeff - Baby Blue
>
> Fred Klein wrote:
>>
>>
>>> John mentioned how sealing up the aircraft would clean up the lines,
>>> resulting in better speeds. I decided to add some gap seals to the
>>> wing, to seal the flaps, upon retraction. What I used was a 2.25" wide
>>> piece of .020" styrene, a product that I use, almost daily in my
>>> sign/graphics business. I attached it to the wing using 1" hem tape (a
>>> very strong, two sided tape, used to hem banners).
>>
>> Hey Jeff...
>>
>> I've also had email exchanges w/ John Lawton and have perused a site he
>> recommended for info on gap seals...all very interesting. Could you go
>> into a little more detail on the nature of your installation? Exactly
>> where and in what plane have you attached this styrene? Does it create a
>> pressure seal?. In what way does it alter the airflow?
>>
>> Fred
>> A194
>>
>> working on cockpit module (finally!)
>>
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