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Sonex 815 Build Logs
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Date: 9-22-2007
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Number of Hours: 1.00
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Manual Reference: P20
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Brief Description: Hang engine
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Spent about 1/2 hour puttering around disassembling the engine shipping box. Also in this 1/2 hour took off the muffler heat shield from the intake manifold, and turned the fuselage to be nose-in in the garage. My father-in-law Don came over and we took the engine off the shipping pallet and set it on towels on the floor. Moved the pallet around to in front of the plane, put the box back on it. Put the engine right side up on the box. Figured out that the tail would hit the garage door when picked up to line up with the engine, so we backed the fuselage out a few feet and slid the engine on its box out to meet it. Put the tail up on a saw horse (about 1/2 way up the tail cone) and adjusted the engine a little with some wood shims under the intake manifold aft flange. Then brought the engine box back a little and it all went right in. Don was better at squeezing the forward mount rubbers down onto the motor mount, and we got enough compression on it to just put the nuts right on. Tightened them down a little to pull the rubber in slightly, then ran them back off, added the washers, and ran them back on. Then I held the tail up, Don pulled the sawhorse out, and then went forwards to watch the bottom mounts come in as I let the tail down. Weight on the tail went from maybe 35 pounds without the engine to about 8 pounds with it. Put the lower rubbers on, and the lower bolts in. If it was all this easy it would be done in a week!
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Just set the engine on its shipping box. No hoisting required.
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Mounts pulled right in, no special clamping required.
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