Schweizer SA 1-30 / SAU 1-30
 
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The Schweizer SA 1-30 was the first entry by Schweizer in the powered aircraft market. The 1-30 was not intended to be a motor glider, but rather a light aircraft utilizing some glider and sailplane technologies, common parts with other Schweizer designs and an affordable price as a result of using smaller powerplants. Removable wings, and the ability to be transported by trailer were also criteria for keeping airport-based hangar costs down.
 
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The 1-30 shares the same wings and tail surfaces as the 1-26 glider. The fuselage is of aluminum construction with a welded steel tube tail structure. The wings are removable using the same design as the 1-26. The engine uses a cowling with exposed cylinders like a J-3 Cub for simplicity and cooling efficiency. Wing mounted spoilers were retained from the 1-26, allowing steep low-speed descents at about a 5:1 glide ratio. Three sets of wings were tested including a set (the third) from the model 2-31. An early configuration with the full length SGS 1-26B wings, fuselage and tails, cub cowl and Cessna 170 landing gear legs.
 
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Construction of the prototype was started in April 1958 and first flew in July. The aircraft was tested as a glider aero-towing aircraft using a Schweizer SGU 2-22C. The single-place 1-30 was not intended to go into production, the two-place 2-31 was envisioned as the production model, but was also not produced beyond a single prototype.
 
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The SA 1-30 was modified with a 4 ft (122 cm) shorter wing by simply clipping the length of the wing and aileron at the tips and a fully cowled more powerful engine, re-designated SAU 1-30.
 
The aircraft was painted twice; once a light tan & red with the second being the tan, green and “day-glow” orange.
 
Schweizer SA 1-30
Engine: 1 × Continental A65, 65 hp (48 kW)
Wingspan: 40 ft (12 m)
Wing area: 160 sq ft (15 sq,m)
Aspect ratio: 10
Length: 20 ft 3 in (6.17 m)
Empty weight: 700 lb (318 kg)
Gross weight: 1,100 lb (499 kg)
Maximum speed: 96 kn (110 mph, 180 km/h)
Cruise speed: 87 kn (100 mph, 160 km/h)
Stall speed: 33 kn (38 mph, 61 km/h)
Rate of climb: 1,000 ft/min (5.1 m/s)
Capacity: 1
 
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