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Karl Storjohann

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Vortex M912 Gyroplane

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Low and slow, even in the wind. By Karl Storjohann.

In Case You Missed it

Engine Theory: Engine Cooling-Avoiding Meltdown

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Understanding the differences between air- and water-cooled engines.

Letters

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All Wet?The Freedom article by Roy Beisswenger (KITPLANES®, July 2013) is only half a...

Aero ‘lectrics

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Jim Weir uses quarter-wave magic to make a coaxial balun and a VOR/LOC splitter.

Wind Tunnel

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When the airflow separates from a surface, the result can be unsteady forces or turbulent wake shedding, neither of which is desirable.