Energy management in powered flight or not is still energy management. To enable to eek out all the performance possible in a powered aircraft, (Helo or airplane) you had better have intimate knowledge of this. Besides, gravity is the sailplanes engine no? What would happen if gravity went "0" in the middle of a glider flight?
"Let there be light!" said God, and there was light! "Let there be blood!" says man, and there's a sea!
Lord Byron, Don Juan
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Last edited by jerryrlitton; 12-18-2007 at 12:44 PM.