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  #39  
Old April 30th 20, 03:21 PM posted to rec.aviation.soaring
jld
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Posts: 35
Default Minimum acceptable self-launch climb rate

L/D with pylon out highly depends on IAS.
On a Ventus 2 CM with gear up, failed spindle drive, prop stopped, I was getting ~18 L/D at 50 kts. This was dropping fast below 15 L/D when accelerating above 55 kts.