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- Motor mounts.
Motor mounts.
- Brooks McNew
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18 Aug 2025 20:42 #1
by Brooks McNew
Replied by Brooks McNew on topic Motor mounts.
Mike, I have NO idea about the Forney mounts specifically, but I did just help someone hang an engine on an RV8. Mainly I was the nearest guy who owned an engine hoist but I did get to help out with the whole process,
Specifically, they hung the engine and then checked the alignment where the crankshaft came out of the front cowling - to see whether the spinner would be centered. It would have been too low in the hole (the sagging you refer to?) and slightly to one side.
The had additional washers, just like the pair of washers that came with the new engine mounts - to shim the motor mounts and center the crankshaft in the front of the cowling. It ended up needing two extra washer/shims on the lower left mount, one on the other right mount, one on the upper left mount, and no additional washer/shims on the upper right mount. This swung the crankshaft into the proper position.
Again, I have no idea whether this applies to your situation, but since I just saw this happen firsthand I figured it was worth mentioning.
Specifically, they hung the engine and then checked the alignment where the crankshaft came out of the front cowling - to see whether the spinner would be centered. It would have been too low in the hole (the sagging you refer to?) and slightly to one side.
The had additional washers, just like the pair of washers that came with the new engine mounts - to shim the motor mounts and center the crankshaft in the front of the cowling. It ended up needing two extra washer/shims on the lower left mount, one on the other right mount, one on the upper left mount, and no additional washer/shims on the upper right mount. This swung the crankshaft into the proper position.
Again, I have no idea whether this applies to your situation, but since I just saw this happen firsthand I figured it was worth mentioning.
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- Frank Hamelly
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17 Aug 2025 15:02 #2
by Frank Hamelly
Motor mounts. was created by Frank Hamelly
Replacing motor mounts on 1960 Forney. Have the new ones in. Prior to torque and safety, is there a way to “center” them so the bottom ones don’t appear to sag? These are Lord mounts made in US. Mike.
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