Group B207
MAKE: Fuselage - Tail
Control Surface
Consider fabric over aluminum ribs, at least to start. The Condor and Albatross used 4 mil clear plastic mylar for the wing skins. It was attached to 1/4" thick foam ribs with carbon tape edges by double-sided clear mylar tape. The plastic goes on with the grain spanwise. A heat gun is used to tighten up the mylar.
NO!Central Tube Lay-up
Use unidirectional tape. 1 layer at 20 degrees, 2 layers at 0 degrees, 1 layer at -20 degrees.
Produce over thin wall aluminum, then dissolve aluminum, like albatross?
Maybe have gradual flattening over length of tube to handle taper of airfoil. Or by tapered aluminum, see Internet favorites.
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Last Revised: February 12, 2000