The Murphy Builders Site

Are other builders installing drain grommets in the fabric covered
flaperons like Stits says? I was considering installing one seaplane
grommet in the inboard corner and perhaps leaving the option of just
melting another one in each bay later. There is no mention of drain
grommets in the Murphy manual nor in the archives. I have a pile of
aluminum grommets but am not enthusiastic about making a bunch of dollar
patches to go over them. The Stits stc allows for melting drain holes
without grommets as long as there are two layers of fabric. I used a
wide tape on the trailing edge so I have two layers. Eventually this
thing will go on floats but I doubt much water spray is going to ever
get on the flaperons?? Also I get the impression that plastic seaplane
grommets will get brittle and crack before the life of the fabric is
over??.

At the moment I'm envying the Elite builders as this fabric business is
a lot of work for a first timer. Had much better results with the
finishing tapes by wetting them several times while they dried.

Ken

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Ken
I also melted a hole in each side of each aileron right at the trailing
edge. Theres an open spot where the tip of the rib and the trailing edge
meet. This lets every last drop of water out.
Drew

I like that idea Drew. I think most water would drain to that point
anyway.

FWIW - and it may not be much - I've now used every drop of 3 quarts of
polybrush and I have only done one spray coat of polybrush so far. It
looks like the optional second spray coat of polybrush might be a good
idea especially on the leading edge. A second brushed coat on the
leading edge before the first spray coat would have been a good idea I
think. Don't know how some guys got away with only using 2 quarts. I
have been thinning it 3:1 as recommended. I'm guessing I'll need 3
quarts of polyspray as it is supposed to go a bit further but I won't
skimp on it.

Ken
the adventure continues...

Drew Dalgleish wrote:

Ken
I also melted a hole in each side of each aileron right at the trailing
edge. Theres an open spot where the tip of the rib and the trailing edge
meet. This lets every last drop of water out.
Drew

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