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Thursday, August 19, 2010

Big Girtha Build Engine Mount Part 3


I'm using my rotary punch to make notches for engine hook movement.

The hole is not centered but a little to the outside of the centering ring edge. This places more of the circle punch to the outside and gives a little more clearance for the engine hook movement.





The mount is finished and almost ready to mount in the 40mm Quest body tube. Those rings were made to fit a ST-16 tube. I'll have to sand down their outside diameter with 220 grit on a sanding block.

Apply fillets on all sides and let dry before trying to sand down the centering rings.

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