The Murphy Builders Site

Hello Rebel Group:

Checked the archives for this subject with no joy, so I thought that I would tap into the group for some ideas, suggestions and answers.

A fellow Rebel Builder and myself (with no previous fabric experience) were discussing installing the Flaperon Drain Grommets, and that if a grommet in every bay at the trailing edge, low point was necessary. Is this a bit overkill? Can one just burn with a soldering iron, a small 1/ 8 inch hole in each trailing edge end rib (at the void) and call it good? Maybe adding single drain grommet at the inboard bay at the low point of each flaperon? Both of these Rebels will be going on floats eventually.

At this time we are leaning toward the small (1/8 inch) holes at the trailing edge root rib and adding a single grommet at the low point (inboard) at each flaperon, but still open for suggestions.

Any thoughts?

Thanks in advance.

Over-and-out . . .

Terry Dazey
Lake Tapps, WA
R662



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How many "sea plane style" drain grommets should be used on the bottom of
the flaperons? Someone local suggested one for every bay, but that seems
excessive. I was thinking four per side, one in each corner of each flaperon
section.

How should they be installed? Adhesive? Before or after paint?

Ron
N254MR




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Ron: I have done a lot of fabric work over the years,and as a general rule
you install a grommet on the high side of each rib, at the juction of the rib
and trailing edge ( this is an absolute when ribs are wood.) They should be
installed before the finish coat of pt. A trick I use to keep things a little
cleaner, is to slip the grommet over a large flat screw driver, to make it easier
to hold, while applying the bonding cement with a small brush then set it
over the hole with the screw driveer. I apply quite a bit of cement and press
them firmly in place with my fingers. I have never installed a patch over
them and have never lost one, it seems like a lot of extra work to me.

Keith P. Tail draggers for ever.



On 3/7/2011 3:40 PM, rshannon@cruzcom.com wrote to rebel-builders:

-> How many "sea plane style" drain grommets should be used on the bottom
of
-> the flaperons? Someone local suggested one for every bay, but that seems
-> excessive. I was thinking four per side, one in each corner of each flaperon
-> section.
->
-> How should they be installed? Adhesive? Before or after paint?
->
-> Ron
-> N254MR
->




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