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On Sat, 03 Jun 2006 20:48:16 -0400
Chad Robinson <crj@lucubration.com> wrote:
> John Slade wrote:
> > >Hope the guy that brought this to mind (John Slade) heard it. I still
> > don't know what kind of junction >(connector, butt splices, bullet
> > connectors, etc) that he used but none of them should be encapsulated in
> > RTV >for the reason given. That pungent smell you get when dispensing
> > RTV is acetic acid.
> > Yep. Heard it loud and clear.
> > The RTV was added in an attempt to waterproof the connector. I was
> > concerned that the open holes were vertical, just below the water pump
> > and might get filled with coolant in the event of a leak. Perhaps a
> > rubber boot would be a better solution.
>
> Actually, a good sealant does double-duty as strain relief, and is
> probably the better choice unless you need frequent access to the
> connection (so boots are better for battery terminals). You just need
> the RIGHT sealant. Anything designed for electrical use is probably
> fine. I think Bob Nuckolls (Aeroelectric) actually swears by Shoe Goo. I
> can't confirm its contents, but I've read several statements that say it
> doesn't contain "corrosive" elements. Might be a fast, cheap solution
> you can pick up at any mall if that's true.
>
> Regards,
> Chad
>
Shoe goo contains acetone or something related. I put some on the pink
foam insulation from the hardware store, and it disolved it pretty
good. Another option is to wrap the junction with the silicon fusion
tape. This stuff adheres to itself and fuses into a solid block.
Stretch it out about 50% as you put it on. Put a couple of layers on,
then shrink a piece of heat shrink tubing over it and you will have a
sealed joint that is well protected from the environment, vibration,
and looks nice. I use it to clamp and seal the rear of connector back
shells on the cables that I build.
Attached picture from the Aircraft Spruce Catalog.
Bob W.
--
http://www.bob-white.com
N93BD - Rotary Powered BD-4 (first engine start 1/7/06)
Custom Cables for your rotary installation -
http://www.roblinphoto.com/shop/
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