Nemeth Umbrellaplane / Roundwing
Initial experiments by Nemeth with rotating wingforms go back to 1929. In 1934 Nemeth designed, and students at Miami University (OH) built the Umbrellaplane / Roundwing. A two place monoplane featuring a circular wing on a lengthened Alliance Argo fuselage for STOL performance, to test circular wing configuration.
The sole example, NX13651, was powered by a 90hp Lambert, later repowered with a 120hp Warner Scarab, and later reworked as a divided wing. Name has been seen spelled Nuneth.
Max speed: 120 mph
Cruise speed: 95-100 mph
Stall: 20-25 mph