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Aero Designs DG-1


The DG-1 held the distinction of being the first custom-built Unlimited Class racer to be built in the United States since the 1930s. It was intended for competition in that category as recognized by the United States Air Racing Association of the National Aeronautic Association. The prototype flew in 1978, and in addition to racing, the design is adaptable for follow-on production of two-place, tandem seating models. The wings are the cantilevered midwing type with a fiberglass-reinforced plastic spar and foam-filled internally. The fuselage is a steel-tube frame covered by plywood and fiberglass reinforced. Power is supplied by fore and aft Mazda auto engines modified to produce in excess of 330 hp each. Both are fuel injected and turbocharged by custom AiResearch units and turn 68-inch three-blade propellers.

Engines: 2 x 330-hp Mazda auto.         
Gross weight: 2300 lb
Empty weight: 1700 lb                 
Fuel capacity: 55-90 USG.
Wing span: 19ft 7 in             
Length: 20ft 4in
Top speed: 400 mph             
Cruise: 345 mph
Stall: 98 mph
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