S^ri/S f7^iPd to Sai2c7at^ ?^ form ealU/ yz affarm … ftf.^ Buchanan Method planes with valvesset in the tips with manual and spring control totake care of turns and differential tip velocities.A coincidence of the center of pressure with thecenter of gravity, but if that is impossible, thenhave center of gravity slightly below the centerof pressure,…
Aeronautics
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