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07/31/2009. Mr. Edgar J. Lesher, an Assistant Professor of Aeronautical Engineering at the University of Michigan, Ann Arbor, Michigan, USA, designed and built this two-seat pusher aircraft. Powered by an 100 hp Continental O-200 flat four-cylinder engine it was flown in 1961, after two years of construction. The aircraft was donated to the EAA AirVenture Museum in 2000, registered as such on June 11, 2001. Presently the aircraft is on display in the atrium of the Francois-Xavier Bagnoud building on North Campus of the University of Michigan. It established the following records in the class C-1.A category, Group 1 (Piston Engine) Light Airplanes below 500 kg. May 22, 1967, speed over 310.68 mls (500 km) closed circuit: 181.55 mph (292.18 kmh) June 30, 1967, speed over 621,37 mls (1000 km) closed circuit: 169.20 mph (272.30 kmh) October 20, 1967, speed over 1,242.74 mls (2000 km) closed circuit: 141.83 mph (228.253 kmh) September 9, 1970, distance in a closed circuit: 1,554.297 mls (2501.399 km) September 29, 1973, speed over an 1.8 mls (3 km) course: 172.101 mph (276.970 kmh) September 30, 1973, speed over a 9.32/15.53 mls (15/25 km) course: 169.132 mph (272.192 kmh) July 3, 1975, distance in a straight line: 1,835.46 mls (2953.89 km)