Ishikawajima Ne-20
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The Ishikawajima Ne-20 (Japanese: 石川島 ネ-20) was Japan's first turbojet engine. It was developed during World War II in parallel with the nation's first military jet, the Nakajima Kikka.
The decision to manufacture this engine came about because of the unsuitability of two earlier powerplants selected for the Kikka, the Tsu-11 and the Ne-12. The Ne-20 was made possible by Imperial Japanese Navy engineer Eichi Iwaya obtaining photographs and a single cut-away drawing of the German BMW 003 engine.
Only a small number of these engines, perhaps five, were produced before the end of the war. Two of them were used to power the Kikka on its only flight on August 7, 1945. It had also been hoped to use the engine to power a version of the Ohka kamikaze weapon, but this was not implemented before the end of the war.
Three Ne-20s have been preserved to the present day, one at Ishikawajima-Harima's internal company museum in Tanashi, and two at the National Air and Space Museum in Washington, DC.
[edit] Specifications (Ne-20)
General characteristics
- Type: Turbojet engine
- Length:
- Diameter:
- Dry weight:
Components
- Compressor: Axial compressor
Performance
- Thrust: 475 kgf (4.66 kN, 1,047 lbf) at 11,000
- Power-to-weight ratio:
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