Inverted motors

jacoviro at post.tau.ac.il jacoviro at post.tau.ac.il
Wed Aug 18 03:44:56 AKDT 2004


Hi,

I had encountered the same problem, so I built a stand for my model to have it
positioned inverted while waiting for flying. All services are being done while
the model is inverted, including firing up the the engine.



Quoting John Pavlick <jpavlick at idseng.com>:

> 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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