General Electric T700 Engine

General Electric T700 Engine

GE T700 is turboshaft and turboprop engines in the 1,500-3,000 shp class. It followed by improved and uprated Army engine variants for the UH-60 Black Hawk and the AH-64 Apache helicopters.

Type : Turboshaft
National origin : United States
Manufacturer : GE Aviation
First run : 1973
Major applications : Boeing AH-64 Apache, Sikorsky UH-60 Black Hawk, Sikorsky SH-60 Seahawk, Bell AH-1W SuperCobra, Saab 340
Developed into : GE T407/GLC38

GE T700 Specifications

General characteristics

  • Type: Turboshaft
  • Length: 47 in (T700-GE-700/701 series) to 48.2 in (T700/T6A)
  • Diameter: 25 in / 26 in (T700/T6E)
  • Dry weight: 400 lb (YT700-GE-700); 437 lb (T700-GE-700); 537 lb (T700/T6E)

Components

  • Fuel type: JP-4 or JP-5 (YT700-GE-700)
  • Oil system: self contained, pressurized, recirculating dry sump

Performance

  • Power output: 1,536 shp (YT700-GE-700)[2]; 1,622 shp (T700-GE-700); 2,380 shp (T700/T6E) ; 2,638 shp (YT706-GE-700)[3]
  • Compression ratio: 17x
  • Specific fuel consumption: 0.433 (T700/T6E) to 0.465 (T700-GE-701A)
  • Power-to-weight ratio: 3.84 shp/lb (YT700-GE-700); 3.71 shp/lb (T700-GE-700); 4.48 shp/lb (T700/T6E)
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