| 词条 | Hitachi Hatsukaze | |||||||||||||||
| 释义 |
The Hitachi Hatsukaze also known as the Hitachi model GK4, was Hitachi's fourth design in a series of aircraft engines built in Japan prior to and during World War II. The original Hatsukaze was a license-built Hirth HM 504. Hatsukazi engines were air-cooled, four-cylinder, inverted inline engines developing around 82 kW (110 hp).[1] Design and developmentHatsukaze engines were produced in very large numbers, as the powerplant for the license-built Bücker Bü 131 Jungmann variants that were the standard primary trainers for the Imperial Japanese Navy and Imperial Japanese Army. The naval version of the engine was designated GK4, the army version as Ha-47. The Hatsukaze Model 12 was the power section linked to a compressor to create a primitive jet engine called a motorjet; the resulting Tsu-11 was intended to power Yokosuka MXY7 Ohka Model 22 flying bombs. The standard Hatsukaze 11 engine was modified at a Navy arsenal by replacing the propeller drive shaft and engine front crankcase cover with a step-up gearbox. The gearbox increased engine output shaft RPM at a 1:3 ratio. At engine speed of 3,000 RPM, the compressor section was operating at 9,000 RPM. The compressed air was then ducted into a combustion chamber where a liquid fuel was sprayed. The heated compressed air then exits through the tailpipe providing static thrust of 180 kg (396 lb). It is likely that about 1/3 of the total thrust was contributed by adding the combustion chamber aft of the compressor. The Tsu-11 was also selected to power the Yokosuka MXY-9 Shuka ("Autumn Fire"), a trainer intended to prepare pilots for the Mitsubishi J8M rocket-powered interceptor. Neither of these aircraft entered service, however, as their development took place too late in the war. Variants
license-built Hirth HM 504 inverted inline four-cylinder aviation engine.
82 kW (110 hp) IJN version, 339 built [2]
82 kW (110 hp) IJA version, 1,037 built[2]
power section for the Ishikawajima Tsu 11 Motorjet engine Applications
Specifications (Hatsukaze GK4A){{Pistonspecs| |type= 4-cylinder air-cooled inline piston engine |bore= 110 mm (4.13 in) |stroke= 125 mm (4.53 in) |displacement= 4,752 cm3 (290 in3) |length= 1,070 mm |diameter= |width= 200 mm |height= |weight= 115 kg |valvetrain= |supercharger= |turbocharger= |fuelsystem= |fueltype= |oilsystem= |coolingsystem= Air-cooled |power= 82 kW (110 hp) |specpower= |compression= 5.8:1 |fuelcon= |specfuelcon= |oilcon= |power/weight= }} See also{{aircontent|see also= |related=
|lists=
|similar engines= }} ReferencesNotes1. ^Francillon p. 505. 2. ^1 Bridgeman Bibliography
5 : Air-cooled aircraft piston engines|Aircraft piston engines 1930–1939|Inverted aircraft piston engines|Motorjet engines|Hitachi |
|||||||||||||||
| 随便看 |
|
开放百科全书收录14589846条英语、德语、日语等多语种百科知识，基本涵盖了大多数领域的百科知识，是一部内容自由、开放的电子版国际百科全书。