Wright R-2160 Tornado

The Wright R-2160 Tornado was an experimental 42-cylinder, 7-cylinder per row, 6-row liquid-cooled inline radial aircraft engine. It was proposed in 1940 with 2,350 hp (1,752 kW) for experimental aircraft such as the Lockheed XP-58 Chain Lightning, Vultee XP-68 Tornado, and the Republic XP-69.

R-2160 Tornado
Wright Tornado R-2160
Type	Six-row liquid-cooled inline radial engine
National origin	United States
Manufacturer	Curtiss-Wright
Major applications	Republic XP-69

Specifications

General characteristics

• Type: 42 cylinder inline radial engine. (6 rows with 7 cylinders in each row)
• Bore: 4.25 in (107.9 mm)
• Stroke: 3.625 in (92 mm)
• Displacement: 2,160 in³ (35.39 L)
• Length: 96 in (2438 mm)
• Diameter: 35.5 in (901.6 mm)
• Dry weight: 2,400 lb (1088.6 kg)

Components

• Valvetrain: Single overhead camshaft, Two valves per cylinder
• Supercharger: 2 x turbosuperchargers
• Fuel system: Direct injection
• Fuel type: 100/130
• Oil system: Dry sump
• Cooling system: Liquid cooled

Performance

• Power output: 2,350 hp (1,752 kW) at 4,150 rpm for takeoff
• Specific power: 1.08 hp/in³
• Specific fuel consumption: 0.67 lb/(hp*h) (0.407 kg/(kW*h)) at takeoff
• Power-to-weight ratio: 1.59 kW/kg (0.97 hp/lb)

See also

Comparable engines

• Armstrong Siddeley Deerhound
• Armstrong Siddeley Hyena
• BMW 803
• Dobrynin VD-4K
• Junkers Jumo 222
• Lycoming R-7755

Related lists

• List of aircraft engines

References

• Kim McCutcheon, Tornado: Wright Aero's Last Liquid-cooled Piston Engine ISBN 978-0-9710847-0-4

External links

• Republic XP-69
• Technical Drawings & CAD Renders Archived 2008-10-11 at the Wayback Machine
• Specifications & Picture