B6N file photo

B6N Tenzan

ManufacturerNakajima Aircraft Company
Primary RoleTorpedo Bomber


Foreseeing the obsolescence of the success B5N torpedo bombers of Pearl Harbor fame, the Japanese Navy issued a requirement in 1939 for a new design with better performance without sacrificing weapon capacity. The B6N Tenzan ("Heavenly Mountain") torpedo bombers were the result. The development of the B6N aircraft was rather eventful; engine problems and restrictions posed by the dimensions of carrier flight decks and elevators contributed to much delay. It was not until 1943 that they entered production. Unfortunately for the Japanese Navy, by this time several of its fleet carriers with flight decks large enough for B6N aircraft to operate were already lost, so these torpedo bombers never had a chance to reach their fullest potentials. The vast majority of them operated out of land bases, and did not contribute to the war significantly. At Okinawa, they were used in special attacks. A total of 1,268 B6N torpedo bombers were made during the war.

Allied code name for the B6N design was "Jill".

Source: Wikipedia.


MachineryOne Mitsubishi Kasei 25 radial engine rated at 1,850hp
Armament2x7.7mm Type 92 machine guns, 1x800kg torpedo or 3x250kg bombs
Span14.89 m
Length10.87 m
Height3.80 m
Wing Area37.20 m
Weight, Empty3,010 kg
Weight, Loaded5,200 kg
Weight, Maximum5,650 kg
Speed, Maximum468 km/h
Rate of Climb8.00 m/s
Service Ceiling9,040 m
Range, Normal2,960 km


A B6N2 torpedo bomber resting at an airfield, date unknownA mechanic manually turning the engine on a B6N2 torpedo bomber to prevent hydraulic lock, date unknownB6N torpedo bombers flying in formation, date unknownB6N torpedo bombers warming up at an airfield, date unknown
See all 15 photographs of B6N Tenzan Torpedo Bomber

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B6N Tenzan Torpedo Bomber Photo Gallery
A B6N2 torpedo bomber resting at an airfield, date unknown
See all 15 photographs of B6N Tenzan Torpedo Bomber

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