Art, I have had great luck using spit. Yes, good old saliva. Cover the
wing flat, as Mike suggested and after everything is set take a bushy,
lightweight brush, slobber it up with saliva and brush it on the slack
film - just like magic the film tightens up and I believe you've added
little or no weight. I have wings that are years old and they are still
tight, but if they start to droop you could just hit it again with a
little saliva. I believe I've heard it explained as being the natural
sugars in saliva that do the job, but who cares, it works <Grin>.
Incidentally, there are no dumb questions.
LeRoy Cordes YOLO
Chicago, Illinois
AMA 16974 - WAA Pilot #337
In God We Trust
On Sun, 25 Aug 2013 16:10:36 -0000 "art" <upwind120_at_gmail.com> writes:
> I'm learning. I want to build an F1L or two and need to know how to
> do this before I start. So far the only film I've used is Ultralite,
> and it hasn't been pretty. I have an old LPP which gets heavier and
> more out of rig with every new encounter with a basketball hoop and
> subsequent repair. So It needed a new wing and I needed to learn how
> to do this the right way.
>
> Rolf Swensson wrote me up his method, dropped off a roll each of
> Super Ultrafilm and OS for me to play with and sat down with me for
> a couple of hours to get me started. The LPP needed a new wing, so
> it was a natural for the film school.
>
> I've been getting suggestions off-line on how to take up the slack
> around the dihedral break rib, and I've tried a couple out on the
> original LPP wing, which has lots of slack to play with. The best
> thing yet, and it's only been 5 hours since my post, seems to be
> applying glue to the rib sides and then pulling in the film to it
> with a soft balsa tweezer. If I need to take more in, I can do it
> again from the opposite surface. Seems to be working on the old
> wing, which is now a little less horrible to look at.
>
> The question remains, though, of whether the improved aerodynamics
> (and appearance) is worth the weight of the additional glue.
>
> art.
>
>
>
> ------------------------------------
>
> Yahoo! Groups Links
>
>
>
>
>
LeRoy Cordes YOLO
Chicago, Illinois
AMA 16974 - WAA Pilot #337
In God We Trust
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Received on Sun Aug 25 2013 - 10:00:29 CEST