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We just finished the annual on my ASII, during which we replaced the Lord J-7401-1 engine mounts with the Aerobatic Engine mounts from Aircraft Spruce.
http://www.aircraftspruce.com/catalog/eppages/heavydutydynafocal.php?clickkey=64213
We replaced the mounts because I wanted the engine to move around less and because I didn't know how old the current mounts were.
Anyway, the new mounts really stiffened up the engine. I could wiggle the engine around a little before and now I can barely move it. I did the operational check today, so it was the first run with the new mounts and I noticed that alot more of the engine's vibrations are being transmitted through the airplane. I expected some difference, but it was more than I thought it would be. Anytime my airplane behaves differently than it usually does, it makes me a little nervous.
Does anyone else use these mounts? Any problems with the extra vibration? I see a dynamic prop balance in my future.
http://www.aircraftspruce.com/catalog/eppages/heavydutydynafocal.php?clickkey=64213
We replaced the mounts because I wanted the engine to move around less and because I didn't know how old the current mounts were.
Anyway, the new mounts really stiffened up the engine. I could wiggle the engine around a little before and now I can barely move it. I did the operational check today, so it was the first run with the new mounts and I noticed that alot more of the engine's vibrations are being transmitted through the airplane. I expected some difference, but it was more than I thought it would be. Anytime my airplane behaves differently than it usually does, it makes me a little nervous.
Does anyone else use these mounts? Any problems with the extra vibration? I see a dynamic prop balance in my future.
