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Wind shear

Old 05-03-2011, 06:04 AM
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TM4197
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Default Wind shear

I was on my way down from a gentle thermal, no wind at the time. Listen to the sound of the wind pick up and watch the Radian do what it does best....FLY! A big downdraft (shear) pushed the sailplane down and almost turned it over! It was about 20 feet up when it got slammed. Gotta love the Radian!
http://www.youtube.com/watch?v=0ErYruLGzlg
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Old 06-12-2011, 08:29 PM
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Epowerreg
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That was probably the sink taking place of the thermal that drifted by. Its supposed to be that way. Thats why its best to launch when its not as windy when youre trying to find lift.

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Old 06-12-2011, 09:53 PM
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Rockin Robbins
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Pretty dramatic! And good flying there. The Radian didn't panic and you only panicked for a second there!
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Old 06-12-2011, 11:52 PM
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TM4197
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ahhh..well, there was no wind all day. And that was a wind sheer. Downdrafts off the edge of uplift will press you down, but not twist you up. I was not turning the sailplane, it was rotating in the sheer. I was flying in thermals with no wind for over 40 mins, and each downdraft was about the same as the updraft side of the thermal. When I launch in windy conditions, I expect the thermals to be moving rather fast, which they promptly do. But, I have to disagree with you when you say.. that's the way its suppose to be. I have flown
full size planes for years including sailplanes and downdraft from the thermal is always different than sheer.
Sheer is deadly.
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Old 02-18-2012, 07:00 AM
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Germanscott
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Good thing you werent in position to get in that one, you may not have seen that Radian again !
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