DiverDriver.com: The Jump Pilot's Resource

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Freefall Drift Simulator

This downloadable program will show you how two groups doing different types of skydiving (flat flying and free flying) drift during freefall.  You input winds aloft and below, choose the altitude for wind speed shift, aircraft airspeed and separation between groups. It's a real eye opener for anyone who thinks, "Freaks go first and flats go second."

Professor John Kallend of the Illinois Institute of Technology (IIT) provides this program. He has a degree in engineering and is a skydiver in the Chicago, Il area.

Click here to download the freefall drift simulator (64K, Windows only)

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