Forum: Image of the Day
07-19-2019, 11:53 PM
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Replies: 8
Views: 2,248
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Forum: Image of the Day
07-02-2019, 02:54 PM
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Replies: 8
Views: 2,248
From alanbernstein's link...
What?...
From alanbernstein's link...
What? Helicopter blades do not flap up, it couldn't fly if they did. The blades are flexible so the tips will droop at slow rotational speed, and bend under heavy...
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Forum: Image of the Day
07-02-2019, 02:17 PM
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Replies: 8
Views: 2,248
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Forum: Image of the Day
07-01-2019, 11:30 PM
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Replies: 8
Views: 2,248
July 2nd, 2019: Motor Glider
Gliders are assisted taking off by a tow plane or winch with a long cable, then riding air currants and thermals like a raptor,
quietly soar for hours. If they can’t make it back to their base they...
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