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Old 05-22-2013, 05:43 AM
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Walt Thyng
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Default RE: Electrifying a great planes extra300 .46 size
PS 125 watts per pound is more than enough for sport flying. Another rule of thumb: 65 watts per pound for hand launch; 75 for ROG and training; 85 - 100 general sport flying; 100 plus for aerobatics; 125 plus for 3D.
WT
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