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post #11 of Old 01-11-2012
zz4gta
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The keel works just like any other foil. It generates lift from differences in "pressure". Even though the keel is the same profile on bother sides the angle of attack is enough cause a change in pressure. There is lots of info online about this.

Angle of attack is how airplanes can fly upside down.

Merit 25 # 764 "Audrey"
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