Today's Message Index:
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1. 08:22 PM - Adhesive? (Chris Colohan)
2. 08:45 PM - Re: Adhesive? (Charlie England)
Message 1
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I'm building my rv-10 horizontal stabilizer, at the stage where I start to
rivet everything together starting from the nose and working backwards.
I just finished riveting the front spar to the skin, and as I went back over
my work I noticed that I knocked the plastic elevator trim-tab cable bushing
out of the hole in the front spar which it was clipped into. My bucking bar
must have pushed it out while I was riveting.
So now I have two problems:
a) I have a plastic bushing sitting inside a sealed up section of the front
of my horizontal stabilizer, and not in the hole where it goes.
b) I'm afraid that if I get the bushing back into place it may just fall out
again at some point in the future.
Photo evidence:
http://picasaweb.google.com/lh/photo/TZBw3PvMYBxQSVA-lTjOCKIqw9YRHPUJIjz5HHlTjwc?feat=directlink
Now, I think if I use one of those 4-pronged grabber things and a bunch of
trial-and-error I can get this thing back into place. But I'm not confident
it will stay there. I'd really like to put a dab of some sort of glue to
hold it still.
I've seen people use tank sealant for this kind of thing on their blogs --
but I'd rather not mix up a whole batch to use just one dab. I've also
heard of folks using Permatex RTV on their planes, but I'm not sure if this
is the kind of thing one would use it for (mostly I've heard of Permatex
products being used in the engine compartment). Seems perfect to me. But
before I do this (and then seal my work up inside a riveted horizontal
stabilizer) -- is it okay to use a dab of RTV on my plane to help keep a
plastic bushing in place, or is there a Better Way?
Thanks!
Chris
Message 2
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On 8/27/2010 10:17 PM, Chris Colohan wrote:
> I'm building my rv-10 horizontal stabilizer, at the stage where I
> start to rivet everything together starting from the nose and working
> backwards.
>
> I just finished riveting the front spar to the skin, and as I went
> back over my work I noticed that I knocked the plastic elevator
> trim-tab cable bushing out of the hole in the front spar which it was
> clipped into. My bucking bar must have pushed it out while I was
> riveting.
>
> So now I have two problems:
>
> a) I have a plastic bushing sitting inside a sealed up section of the
> front of my horizontal stabilizer, and not in the hole where it goes.
>
> b) I'm afraid that if I get the bushing back into place it may just
> fall out again at some point in the future.
>
> Photo evidence:
>
> http://picasaweb.google.com/lh/photo/TZBw3PvMYBxQSVA-lTjOCKIqw9YRHPUJIjz5HHlTjwc?feat=directlink
>
> Now, I think if I use one of those 4-pronged grabber things and a
> bunch of trial-and-error I can get this thing back into place. But
> I'm not confident it will stay there. I'd really like to put a dab of
> some sort of glue to hold it still.
>
> I've seen people use tank sealant for this kind of thing on their
> blogs -- but I'd rather not mix up a whole batch to use just one dab.
> I've also heard of folks using Permatex RTV on their planes, but I'm
> not sure if this is the kind of thing one would use it for (mostly
> I've heard of Permatex products being used in the engine compartment).
> Seems perfect to me. But before I do this (and then seal my work up
> inside a riveted horizontal stabilizer) -- is it okay to use a dab of
> RTV on my plane to help keep a plastic bushing in place, or is there a
> Better Way?
>
> Thanks!
>
> Chris
If it were mine, I'd pull it back into place with grabbers, bent safety
wire, coathangers, etc, then use any of the 'sensor-safe' RTV sealants
(non-corrosive) to lock it in. Having said that, unless the little lock
tangs are actually broken, it will probably stay in place when not being
abused by a bucking bar.
Charlie
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