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Old November 10th 17, 10:46 PM posted to rec.aviation.soaring
john firth
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Default Overspeeding on winch launches

On Monday, November 6, 2017 at 7:48:16 AM UTC-5, Dan Schmitz wrote:
I'm wondering what the consequences of overspeeding on winch launches are? I understand that it places stress on the airframe, but to what extent?

I find it near impossible to control the airspeed on the top third of a launch and have found myself over speeding the placarded max. speed by 5 - 10 knots a few times despite signalling to the winch driver.

Should I be taking the approach of releasing at 2/3 of typical launch height (e.g. 700 - 800 foot) if my airspeed isn't under control at this point?

Thanks in advance


I have seen a cable tension display in a modern winch in the UK.
It showed the proper tension for each glider type. It would seem to be the
right way to optimise the launch.

John F.