Questions tagged [sailplane]

Use with [glider] for sailplanes: a type of glider intended for soaring and designed with conventional aerodynamic control surfaces, else use [glider] only.

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1answer
199 views

Can a kite take advantage of crosswinds to gain speed? [closed]

In a form off a kite can wind be redirected like a sail boat in any direction? Can cross winds around a jet stream be helpful in speed in such a design?
13
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3answers
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Do thermals stop rising when clouds are formed?

Glider pilots know that one indication of thermal lift is the formation of cumulus-type clouds. My question is: Does the rising air (that lifted the moisture to form the the cloud) stop rising after ...
5
votes
1answer
247 views

Would all these three things have the exact same effect on the flight duration of a glider?

Consider a glider trimmed to fly at some given angle-of-attack, gliding in smooth air (no thermal convection, ridge lift, wave lift, etc.). If air density is somehow kept exactly constant in all ...
1
vote
1answer
69 views

Do the soaring and/or ballooning communities in the US recommend 123.5 as the preferred frequency for air-to-air and air-to-ground use?

Does the soaring community (e.g. the Soaring Society of America) or the ballooning community in the US recommend 123.5 as the preferred frequency for air-to-air and air-to-ground use by glider pilots ...