Inverted motors

Nat Penton natpenton at centurytel.net
Tue Aug 17 21:03:51 AKDT 2004


John if the carb drips the barrell is not closing. Sometimes this is due to
barrell wear.  Soft mounted engines are hard on carbs. Keep the mass of the
pushrod and attachment to the throttle arm as low as possible to minimize
wear.
----- Original Message ----- 
From: "John Pavlick" <jpavlick at idseng.com>
To: <discussion at nsrca.org>
Sent: Tuesday, August 17, 2004 9:44 PM
Subject: Inverted motors


> Has anybody found a good way to mount a non-pumped motor inverted without
> having a fuel tank siphoning problem? Most of the planes I have with
> inverted motors had this problem originally, but I moved the tank down low
> enough to stop it. My latest project doesn't have enough room to move the
> tank so I'm hoping there's something else I can do. I'm using an O.S.
.61SF
> Long Stroke so it has idle mixture control but I don't want it to start
> dripping fuel as soon as I fill the tank. Thanks in advance to anyone who
> offers any suggestions.
>
> John Pavlick
> http://www.idseng.com
>
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