Main Menu

Hiro Type 90
Hiro Type 91

 

The Hiro Type 91, (full designation Hiro Type 91 520 hp water-cooled W-12), was a 12-cylinder, water-cooled, W engine developed for aircraft use by the Imperial Japanese Navy in the mid-1930s. Power was in the 450 kW (600 hp) range. Its design was inspired by the Lorraine-Dietrich 12Eb Courlis. An enlarged more powerful engine, the Type 90 had also been developed using the Lorraine 12F Courlis as inspiration, developing 600 hp.

 

Applications:
Aichi E10A
Aichi E11A
Hiro H4H
Kawanishi E7K
Mitsubishi Ka-9

 

Specifications:
Type 91 500hp-1
Type: 12-cylinder water-cooled W-block (3 banks of 4 cylinders) aircraft piston engine
Bore: 135 mm
Stroke: 160 mm
Displacement: 27.5 L
Cooling system: Liquid-cooled
Power output:
620 PS for takeoff
520 hp for max continuous

 

 


Copyright © 2017 all-aero. All Rights Reserved.
Joomla! is Free Software released under the GNU General Public License.