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Warner Scarab Junior


The Warner Scarab Junior was an American, five-cylinder, air-cooled, radial aero engine first run in November 1930. It was a scaled-down derivative of the seven-cylinder Warner Scarab, developing 90 hp (70 kW) against the Scarab's 110 hp (80 kW).

 

Applications:
Aeronca L
Culver Dart
Rearwin Sportster

 

Specifications:
Warner Scarab Junior 50
Type: Five-cylinder, air-cooled, radial piston engine
Bore: 4.25 in (108 mm)
Stroke: 4.25 (108 mm)
Displacement: 301 cu in (4.93 L)
Length: 14 in (35.5 cm)
Height: 36.5 in (93 cm)
Dry weight: 237 lb (107.5 kg)
Valvetrain: 1 inlet and 1 exhaust valve per cylinder
Fuel system: 1 Holley carburetor
Fuel type: 54 octane Avgas
Power output: 90 hp (67 kW) at 2,050 rpm
Compression ratio: 5.2:1
Power-to-weight ratio: 0.38 hp/lb (0.62 kW/kg)

 

 

 

 

 

 


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