The Pacific War Online Encyclopedia
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U.S. Navy. Via Francillon (1979)
Kawanishi E7K2 "Alf"
||2 or 3 in tandem cockpits
|Dimensions||45'11" by 34'5" by 15'11"
14m by 10.5m by 4.85m
|Speed||170 mph at 6600 feet
274 km/h at 2000 m
|Cruising speed||115 mph at 3300 feet
185 km/h at 1000 m
|Climb rate||18 feet per second
5.5 meters per second
|Power plant||One 870 hp (649 kW) Mitsubishi Zuisei 11 14-cylinder air-cooled radial engine driving a two-blade metal propeller|
|Armament||One forward-firing 7.7mm Type 92
One flexible rear-firing 7.7mm Type 92 machine gun
One flexible downward-firing 7.7mm Type 92 machine gun.
|External stores||four 30kg (66 lb) or two 60kg (132 lb) bombs|
|Production||A total of 530 E7Ks were
Kawanishi Kokuki K.K. at Naruo:
183 E7K1 (1934-38)
287 E7K2 (1938-41)
Nippon Hikoki K.K. at Tomioka:
57 E7K1 and E7K2 (1937-39)
|Variants||The E7K1 used a 600hp Hiro Type 91 12-cylinder liquid-cooled engine.|
"Alf" was Kawanishi's response to a 1932 Navy call for a three-seat long-range reconnaissance seaplane to replace the E5K1. The design team, led by Sekiguchi Eiji, produced a prototype in less than a year, which was delivered to the Navy in May 1933. Its performance and handling were found much superior to the competing Aichi AB-6 and production was begun late that year.
The original aircraft (E7K1) used a liquid-cooled
engine and wooden propellers. However, in 1936 the Navy became
interested in an updated version using a much more powerful radial
engine driving a metal propeller. This went into production in November
1938 as the E7K2.
"Alf" was well-liked by its crews
for its reliability and
ease of handling. The E7K1 was relegated to training by 1941,
but the E7K2 was
still in first-line service in spite of its obsolescence. It was not
fully replaced by the E13A "Jake"
until early 1943.
Williams and Gustin (2003)
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