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I just entered this thread so apologize if having not read all the posts
this has been mentioned already. Let me quote Helmut Reichmann from Cross Country Soaring pp 63-64: "Starting in contests with full water ballast is always a good idea. If the run through the gate is made at high speed, heavier sailplanes will gain more height than light ones in the subsequent pullup". Although I find it impossible to argue with the math presented might it be that we are oversimplifying things? With all due respect a modern sailplane is a long way from a rock or pendulum. I'm certainly not an engineer but have flown for long enough and have done enough high speed pullups at the finish and on course to feel fairly certain that the altitude gained is substantially greater. But even more to the point if you don't believe this then was Reichmann wrong? Maybe the translation was poor? Geez my bubble is bursting! Send help! Casey Lenox KC Phoenix |
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