Hiro Type 94

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

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.

Applications

Hiro G2H land-based bomber

Specifications (variant)

Data from Mikesh

General characteristics

Type: 40° W-18 liquid-cooled piston engine
Bore: 135mm
Stroke: 160mm
Displacement: 41.25l

Components

Cooling system: Liquid

Performance

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

References

Mikesh, Robert C. and Abe, Shorzoe. Japanese Aircraft 1910-1941. London:Putnam, 1990. ISBN 0 85177 840 2

Hiro Naval Arsenal

Aircraft designed and produced by Hiro	H1H H2H H4H G2H

Prototypes and experimental aircraft	R-3 H3H H10H

Aircraft designed by others produced at Hiro	Yokosuka B3Y Nakajima B5N "Kate" Aichi E13A "Jake" Yokosuka D4Y "Judy"

Engines designed and produced by Hiro	Type 14 Type 61 Type 91 Type 94

Imperial Japanese Navy aero engines

Aichi	Atsuta

Hiro Naval Arsenal	Type 91 Type 94

Mitsubishi	Kasei Kinsei Shinten Zuisei

Nakajima	Hikari Homare Kotobuki Mamoru Sakae

Tokyo Gasu Denki	Amakaze Kamikaze

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