Thanks Jeff
Is the hemtape "Orabond?'
Is the styrene available at sign makers?
Don't some of the glider guys use mylar for seals/
Tom
On 5/6/07, Rman <topglock@cox.net> wrote:
>
>
> 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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