os 75 vertical flight leaning

by geoff brown
(simi valley ca usa)

i have an aeroworks 46-61 edge 540 with an os 75 in it now i can get it tuned great on the ground but as soon as i get it in the air and go vertical it leans out cant figure out whats going on please help

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os 75 vertical flight leaning

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Jul 12, 2010
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Tune on the Ground
by: rcdude07

Are you holding the plane vertical while tuning? This will help you tune it to "in air" use. As you hold it vertical, make sure you don't hear a change in the engine pitch.

Also, try tuning with a tach. I use a tach on my 4 stroke.

If it's only happening in the air, then check the clunk in the fuel tank. It could be getting stuck or moving around where it doesn't pick up very well.

Also, if you're tank is not wrapped in foam, it can be vibrating and causing the fuel to foam. This will cause bad flight characteristics/engine troubles.