Pratt & Whitney T73

T73/JFTD12
JFTD12-4A mounted on an Erickson S-64E Aircrane
Type Turboshaft
Manufacturer Pratt & Whitney
Major applications Sikorsky CH-54 Tarhe
Sikorsky S-64 Skycrane
Number built 352[1]
Developed from Pratt & Whitney JT12

The Pratt & Whitney T73 (company designation JFTD12) is a turboshaft engine.[2] Based on the JT12A, the T73 powered the Sikorsky CH-54 Tarhe and its civil counterpart Sikorsky S-64 Skycrane flying crane heavy-lift helicopters.[3] Turboshaft versions for naval use are known as the FT12.

Variants

T73-P-1
Basic military model, rated at 4,500 horsepower (3,355 kW) takeoff power and 4,000 horsepower (2,982 kW) maximum continuous power[4]
T73-P-700
Higher-power military model with improved internal components; rated at 4,800 horsepower (3,579 kW) takeoff power and 4,430 horsepower (3,303 kW) maximum continuous power[4]
JFTD12A-4A
Civilian equivalent of T73-P-1[4]
JFTD12A-5A
Civilian equivalent of T73-P-700[4]

Applications

Specifications (T73-P-1)

Data from FAA Type Certificate E15EA

General characteristics

Components

Performance

See also

Related development
Comparable engines
Related lists

References

  1. Connors, p.285
  2. Greg Goebel's Vectorsite
  3. Janes: JT12
  4. 1 2 3 4 Type Certificate E15EA

External links

This article is issued from Wikipedia - version of the Wednesday, June 24, 2015. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.