Tachikawa Ki-74
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The Tachikawa Ki-74 (Allied reporting name Patsy) was a Japanese experimental, long-range reconnaissance bomber of World War II. A twin-engine, mid-wing monoplane, it was developed for the Imperial Japanese Army Air Service but never deployed in combat. The Ki-74 was designed for high altitude operation with a pressurized cabin for its crew.
Development
Though already conceived in 1939 as a long-range reconnaissance aircraft capable of reaching west of Lake Baikal when operating from bases in Manchukuo (Manchuria), the initial prototype Ki-74 only first flew as late as March 1944, after its development and primary mission requirement had been changed to capability of bombing and reconnaissance over the mainland United States.[1] The aircraft was powered by two Script error: No such module "convert". Mitsubishi Ha-211-I [Ha-43-I] radial engines. The subsequent two prototypes were powered by the turbo-supercharged Mitsubishi Ha-211-I Ru [Ha-43-II]; these experienced teething troubles, and the following thirteen pre-production machines substituted the Ha-211 Ru engine for the lower-powered but more reliable turbo-supercharged Mitsubishi Ha-104 Ru (Army Type 4 1,900 hp Air Cooled Radial).[2] The aircraft was fitted with self-sealing fuel tanks, armor, and a pressurized cabin for its crew of five.[3]
Operational history
The Ki-74 did not progress beyond developmental testing and did not see operational service in combat. Nevertheless, the Allies knew of the type's existence and assigned the codename "Patsy" after it was discovered that it was a bomber, not a fighter (previously it had been assigned the codename "Pat" in Allied Intelligence).[4]
Specifications (Ki-74)
Data from The Imperial Japanese Secret Weapons Museum ;[5] Japanese Aircraft of the Pacific War[4]
General characteristics
- Crew: 5
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- Power/mass: 0.154 kW/kg (0.093 hp/lb; 0.206 hp/kg)
Armament
- 1 x Script error: No such module "convert". Ho-103 machine gun
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See also
Aircraft of comparable role, configuration, and era
Notes
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Bibliography
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External links
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- Ki-74 Patsy at hikotai.net
- Ki-74 Patsy at ww2drawings.jexiste.fr
- Ki-74 Patsy at The Imperial Japanese Secret Weapons Museum
Template:Tachikawa aircraft Template:Japanese Army Aircraft Designation System Template:Allied reporting names