Lift. For a sailplane pilot it means the difference between a nice relaxing flight, or searching for an open area to land. Finding lift isn’t always easy though. This is especially true when the ...

Variometers are used by para/hang gliders to measure their vertical climb/sink rate. This data helps pilots find and catch thermals. The software runs on a flash ROM cartridge and captures flight data ...

This is a preview. Log in through your library . Publisher Information The Royal Society is a self-governing Fellowship of many of the world's most distinguished scientists drawn from all areas of ...

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