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  • Hollaman Sportster Handling Problems,

    I built a ha2m sportster that had a lycoming 150, a 2 blade prop and the Hollaman rotor blades that turned CCW. During the testing stage I had a very experience helicopter/airplane pilot attempt to fly it to another airport. When he got some altitude, the gyro made a uncontrolled turned to the right and he had to land in a corn field. I put 269 rotor blades on it that turned CW and had no problem with it. After setting 30 years I put a 160 hp on it with a 4 blade prop and new rotor hawk blades (CCW). I've been doing taxiing, and getting my gyro up to take off speed. My joy stick wants to move to the right (hard to hold neutral). I took off today and the gyro immediately turned to the right, I slammed the stick to the left and was lucky to straighten the ship before it landed. Any ideas what's going on? Another thing. When I built the ship, I didn't off set the engine for the P factor. Would this cause the problem?
    Loel
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