Stuff You Can Buy
 
 
 
Other Stuff
 
 

Pratt & Whitney Canada PT6A

The Engine  Specifications (typical)
 
In the mid-50s, P&W decided to concentrate on turbine engines for general aviation.  Their first product was the PT6A.  Forty years and 34,000 engines later (not including the PT6T), the PT6A is still a leader in the corporate and general turboprop market.

Depending upon the model, the PT6A produces from 580 to 1,940 horsepower (432 - 1440 kW).

Turboprop
Compressor: three stage axial with single stage centrifugal
Turbine: 1-stage HP and 1-stage LP for the prop
Mass flow: 5.9 - 9.5 lbs/sec
Pressure ratio: 6.5 - 10
 
 Models  Used by
 
PT6A-25: 400 hp (298 kW)
PT6A-27: 652 hp (486 kW)
PT6A-42: 850 hp (634 kW)
PT6A-50: 1,120 hp (835 kW)
PT6A-67B: 1,200 hp (895 kW)
PT6A-67D: 1,280 hp (955 kW)
PT6A-67R: 1,424 hp (1062 kW)
PT6A-68: 1,708 hp (1274 kW) 
PT6A-114: 600 hp (477 kW)
PT6A-135: 750 hp (559 kW)
Beech 90 King Air
Beech King Air 200
Beech 1900
Beech T-34C Turbo-Mentor
Cessna 208 Caravan
de Havilland Canada DHC-6
de Havilland Canada DHC-7
Lear Fan 2100
Pilatus PC-12
Raytheon-Beech T-6 Texan II
Shorts 360
 
 Related Pages
 
More about Pratt & Whitney Canada
 

page updated 02 January 2010

 

 

Use of photographs | References  | Disclaimer | Privacy

 
   

Apple iTunes

free counters

   

© Kenneth W Shanaberger 2000 - 2010