The Type 94 900 hp liquid-cooled in-line was a W-18 liquid-cooled aircraft engine. Two Type 94 engines were used to power the Imperial Japanese Navy Hiro G2H land-based bomber in 1933. The Type 94 engine was the eighteen-cylinder version of the Hiro Type 90 600 hp water-cooled W-12/Hiro Type 91 520 hp water-cooled W-12 engines.

Type 94 900hp liquid-cooled in-line
Type "W"-18 cylinder liquid-cooled aircraft engine
National origin Japan
Manufacturer Yokosuka Naval Air Arsenal
First run 1933
Developed from Hiro Type 91

Applications

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Specifications (variant)

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Data from Mikesh

General characteristics

  • Type: 40° W-18 liquid-cooled piston engine
  • Bore: 135mm (5.315 in.)
  • Stroke: 160mm (6.2992 in.)
  • Displacement: 41.25l (2,515.6 ci)

Components

  • Cooling system: Liquid

Performance

  • Power output: 900–1,180 hp (670–880 kW)

References

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Bibliography

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  • Mikesh, Robert C. and Abe, Shorzoe. Japanese Aircraft 1910-1941. London:Putnam, 1990. ISBN 0 85177 840 2
  • Goodwin, Mike & Starkings, Peter (2017). Japanese Aero-Engines 1910-1945. Sandomierz, Poland: MMPBooks. ISBN 978-83-65281-32-6.