[re] 일단은~ Y2K에 관련된..

52000RPM...............털썩..-_-;

근데 최고토크값이 2000RPM이라니...2만아닌가요....-_-;

Rolls Royce Allison 250-C18 Gas Turbine Shaft Engine

Type: dual spool, free turbine turboshaft
Inlet: Axial with fixed inlet guide vanes
Compressor: Mixed flow; six stage axial, 1 stage centrifugal
Burner: Single can reverse flow combustor
Turbine: dual spool; two stage gas producer, two stage free power turbine
Exhaust: upward facing, dual exhaust diffuser
Power Rating: 317 shaft horsepower at 6,016 rpm
Peak Torque Output: 425 lb/ft at 1,500 rpm
Weight: 143 lbs.
Power/weight: 2.2:1
Air mass flow: 3.0 lbs/sec
Compression Ratio: 6.2:1 at 51,000 rpm
Maximum TIT: 1850 degrees F
Specific Fuel Consumption: .70 lb/shp/hr

개스터빈엔진의 샤프트는 크게 3개구요... 터빈로터, 콤프레서로터, 샤프트로터입니다.
52000RPM이라는건 콤프레서로터를 말하는거 같습니다... 실제 바퀴쪽으로 출력이 가는
샤프트로터는 약 2000rpm이 최고입니다...