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We have been having an issue where after the plane flies for 20 seconds it begins to stall then slide out backwards. I don't know if it is a torque issue or an issue issue with the incline. But we have fiddled with everything and always get the same stalling action. Has anyone else had the same problem?

Mos,

If you could please supply some details, we can give very specific help (ex. Airplane design, wing incidence, center of gravity location, stabilizer incidence, wing washin, propeller type and pitch angle, motor length and weight, number of max turns and backoff turns, motor max torque and launch torque, rudder offset and turn direction),

Brian T

mosdus20 wrote: ↑February 6th, 2020, 1:20 pm We have been having an issue where after the plane flies for 20 seconds it begins to stall then slide out backwards. I don't know if it is a torque issue or an issue issue with the incline. But we have fiddled with everything and always get the same stalling action. Has anyone else had the same problem?

Sounds like a CG issue (I've seen this before). Try sliding the wing back in 1/8" increments and see if it makes the problem go away.