This is the Burt Rutan Model 68 Amsoil racer biplane. Controls: Normal controls. DO NOT USE TRIM! It shakes the plane very badly. History/Background: Conception and construction[edit] The concept which led to the AMSOIL Racer began in 1979 when race pilot Dan Mortensen approached Burt Rutan about designing an aircraft that would beat the Beck-Mahoney Sorceress, owned by Don Beck and which was dominating the competition at the time. After some research and calculations, Rutan produced three preliminary designs, and the least radical of these was chosen. Like the Model 54 Quickie tandem wing that previously designed, the Model 68 (as Rutan designated it) was configured with a canard wing, a main wing and, unlike the Quickie, had additional horizontal flight surface in the form of a T-tail. Rutan sold rights and plans to build two aircraft of the design to Mortensen for $6,000. The construction began in January, 1981, in Sacramento, California, first in a garage and then in a hangar. During the construction phase, Amsoil signed on as a sponsor, in order to promote its new synthetic aviation motor oils. The plane was built from fiberglass, kevlar and graphite composites. First flight took place that summer, but the aircraft was damaged by heat from the engine's exhaust. After it was rebuilt, it was entered in the 1981 Reno Air Races. Racing and records[edit] At the 1981 Reno Air Races, the AMSOIL Racer, with Mortensen as pilot, finished third, after being assessed a penalty for cutting home pylon (due to the need to avoid a collision with the racer Sundancer). Due to roll control problems, Mortensen took the plane to Rutan's home base at the Mojave Airport for further design analysis and flight testing by Rutan Aircraft Factory pilots Mike Melvill and Dick Rutan. The aileron control system design was subsequently modified. At the 1982 Reno Air Races, Mortesen and the AMSOIL Racer took second place, with an average race speed of 209.21 mph (336.69 km/h), just 0.3 seco