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Old 10-24-2012, 09:13 AM
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Join Date: Apr 2002
Location: Monticello, IL
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Default RE: Mach1 question before upcoming build

A well-built, ready-to-fly Mach I will weigh just about 8 pounds. That includes a .61-size engine, muffler, and retracts. They fly very well at that weight. Of course, a bit lighter might be better, but heavier is not.

Get yourself the very small Stanley block plane. It's about 1" wide and 3" long. This will be used to contour the fuselage to the point it's looking nice and round. Smooth it with sandpaper. Start with 120-grit and continue to 220, 320, and maybe to 400 before you paint or cover. The smoother the balsa, the better the final finish. You won't need to go much finer than 320 or 400 for the sandpaper.

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