Mono-Bipe - Unusual free flight rubber design with folding/retracting lower wings.
Quote: - "I do not mean to de-bunk flaps, but when I talk of variable wing area I mean increases in area by 100 percent or more. This means retracting or extending a complete wing. The 'Mono-Biplane' does exactly that. It takes off as a biplane, retracts its lower wing in flight and continues along as a monoplane. It is done by an ingenious and surprisingly simple method. Patents are held by Nicholas J Medvedeff and Chester U Palmer, inventors who have carried on the development of the Mono-biplane for many years, and under whose auspices the model illustrating this article was built..."
Quote: - "Hi Steve - Here is Bernard Schoenfeld's Mono-Bipe from Air Trails magazine issue 06-45. I turned the crumbly pages of this issue and found this unusual design from one of the best. I spent a bit more time on the scan but I feel it was well worth the time invested. These masters were incredible with their innovative designs! Regards,"
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