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Cozy MKIV - Fourth Flight Test

Date: August 9, 2002

The fourth flight concentrated on gear retraction.  I flew around Mt. Wachusett for half an hour at 120 mph (level flight) and 100 mph (climbing) and put the nose gear up and down three times at each airspeed. I found that there was a small change in pitch trim (nose down) with gear extended, and a small change in airspeed. Neither of these things is a big surprise - the gear hangs down below the CG, and has a modicum of drag associated with it.

You can read the Flight Test Protocol for Flight 4.

I combined Flight 4 with Flight 7, since they're both pretty short, and 7 isn't dependent upon 5 and 6.

End Date: August 9, 2002


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Copyright 2002, All Rights Reserved, Marc J. Zeitlin