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os 46 fx problem

Old 05-30-2019, 09:50 AM
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oly 9
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Join Date: Oct 2011
Location: Oak Grove, MN
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Default os 46 fx problem

Hi, I need a os expert to help solve a problem I am having. I have a few 46fx and have no problems all run great. Except one It starts and runs well except occ. it will just drop the rpm to almost a dead stick and come right up by itself. I does it 1 or 2 times a flight. Other than that it is perfect. It will fly inverted straight up or down and never miss a beat. I have tried a different glow plug and tried a different motor on this airframe. This motor does not have the problem so I assume its not a fuel tank issue, etc. I have checked the seals, O rings, as far as I can see. If someone has had this issue please post. Thanks Neil

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