Wright R-760 Whirlwind
Performance
Power output: 320 hp (239 kW) at 2,200 RPM at sea level; 350 hp (261 kW) at 2,400 RPM for takeoff Specific power: 0.42 hp/cu-in (19.3 kW/L) Compression ratio: 6.3:1 Power-to-weight ratio: 0.56 hp/lb (0.92 kW/kg)

Wright R-760 Whirlwind

Section Title: Performance
Table Section Text: Power output: 320 hp (239 kW) at 2,200 RPM at sea level; 350 hp (261 kW) at 2,400 RPM for takeoff Specific power: 0.42 hp/cu-in (19.3 kW/L) Compression ratio: 6.3:1 Power-to-weight ratio: 0.56 hp/lb (0.92 kW/kg)

Engine	Power, continuous	Power, takeoff	Compression ratio	Supercharger gear ratio	Octane rating	Dry weight

R-760E	250 hp (186 kW) at 2,000 RPM	5.1:1	7.05:1	73	530 lb (240 kg)

R-760E-1	285 hp (213 kW) at 2,100 RPM	300 hp (224 kW) at 2,250 RPM	6.1:1	7.05:1	73	565 lb (256 kg)

R-760E-2	320 hp (239 kW) at 2,200 RPM	350 hp (261 kW) at 2,400 RPM	6.3:1	9.17:1	80	570 lb (259 kg)

R-760E-T	235 hp (175 kW) at 2,000 RPM	6.1:1	none	73	540 lb (245 kg)

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