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3DLabPrint Stearman PT-17 Motor Shims for CG correction

by Jasenk

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3dlabprint Balance balancing center of gravity PT-17 PT17 shim Stearman 3dlabprint Balance balancing center of gravity PT-17 PT17 shim Stearman 3dlabprint Balance balancing center of gravity PT-17 PT17 shim Stearman

I love 3DLabPrint! I built the Stearman PT17 and it needed a lot of forward CG to balance the plane. I decided to not add a bunch more weight and designed a shim that did the job by shifting the CG forward by allowing the motor and battery weight to move forward 20mm in conjunction with the shim weight I achieved balance. I know if I left the motor at 0mm the mass needed in the nose would have been a lot more total.

I tried 5mm, 10mm, 15mm and finally 20mm. I put all files on for easy pri

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