Repairing Engine Lug Mounts

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A broken engine lug can be repaired with two 1/32-inch steel plates bolted above and below. Fill the space between the plates with solder or metal-filled epoxy putty filed down flush, then drill out the mounting holes. Remember to epoxy a 1/32-inch steel shim under the opposite lug to avoid stressing lugs when the engine is next bolted down. Adapted from 400 Great R/C Modeling Tips by Jim Newman, Volume I, an Air Age Media...

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