Dart - Unlimited rubber design by Gerald Zeigenfuse, flown in 2 Nats. This plan was printed in Flying Models Decade of Designs (1), published 1960.
Quote: "Two years of development went into this fine flying unlimited rubber-powered model. A real contest hound, it's seen two Nats.
About two years ago while experimenting with a 50 gram (about 1-3/4 oz) motor in our Wakefield model we were surprised to find that performance hadn't suffered as much as we had thought it would. It then became apparent that a large wad of rubber isn't a prerequisite for high performance. We pondered upon this idea until we learned that the AMA dropped the weight rule for unlimited rubber. Dart was designed to take advantage of the new rule and also to prove or disprove our theory about the amount of rubber needed for high performance. We also tried to keep it from looking lke the average run-of-the-mill rubber model as much as possible... "
Direct submission to Outerzone.
Update 12/01/2018: added article, thanks to RFJ.
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