Vehicle 31, at the time one of my most advanced model rockets, seen on my metal theodolite launcher. I built Vehicle 31 in 1982, using CMR components; it measured 770 mm in length and 29.5 mm in diameter and was specifically designed for Flight Systems Inc. E and F black powder motors. It further featured a payload section with a length of 230 mm, plywood fins, and a Mylar parachute.
The photo was taken at Allmend Frauenfeld, Switzerland, on April 26, 1986. Vehicle 31 was flown extensively that day on various FSI motors. It was a very graceful and stable design, and it survived the launch in very good condition, if my contemporary notes are to believed.
Photography by Martin Kyburz.
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