Jim came by yesterday afternoon to balance my prop and give it a good once over. Jim is a local aircraft mechanic who maintains many of the local air taxi aircraft and a few private aircraft. He is one of the only guys on the peninsula who has the proper knowledge and equipment to balance props. We started with a general prop inspection to look for anything obvious like unequal prop lengths and any previous balancing. After that he connects a photo sensing tachometer and the actual vibration monitoring device. Once all that was connected we ran the engine at a specific RPM and got a baseline reading. From there he added weights and we repeated the process till it was close to perfect at that RPM. Hopefully the result is reduced vibration throughout the airframe. The whole process took about an hour and a half and is similar to balancing the tires on your car.
Cheers,
josh
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