Eagle Posted June 1, 2021 Share Posted June 1, 2021 What the H#ll is the energy efficiency coefficient ! All these yrs [45] in aviation and I have never heard of it ! Bob Hoover would love this..I can spend a week building one and yet destroy it the blink of an eye. I'll stick with park fliers... REMEMBER,,,this is a glider. Link to comment Share on other sites More sharing options...
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