REFLECTOR: Float Balls and U-cup seals

[Douglas Holub]

That gives me an idea. I think I'll just make a ball out of 3/8" clark foam 
and cover it with red ink.
----- Original Message ----- 
From: "Tom" <tomcat05 at comcast.net>
To: <reflector at tvbf.org>
Sent: Sunday, October 14, 2007 7:16 PM
Subject: REFLECTOR: Float Balls and U-cup seals


> Thx Chuck, another good suggestion. While I've been playing with this
> I've also had 3 other possible float types submerged in avgas. A
> shellaced wooden bead, another bead with paint, fishing bobbers (little
> painted suckers with hooks (removed), also,  regular cork plus another
> cork painted. By the way, all of these items listed are perfect
> size--will fit in 3/8 hose but too large to get stuck in brass fuel
> fiitings. Both wooden beads sunk by day 3(the paint held up OK). The
> fishing bobbers started to disintegrate by day 5 (I thought they were
> cork but looks now like they were a closed cell foam). Both regular
> corks are doing super-even the unpainted one has not absorbed any gas,
> swelled or lost any buoyancy. Guess this makes sense as many older
> aircraft had cork floats in the fuel systems. Anyhow, I've trimmed two
> corks to the perfect size and have painted them bright orange. I will
> try these out in the sight tubes and check them every day for a couple
> of weeks to make sure there are no issues. Tom
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