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Stephan Wilkinson
PostPosted: Mon Feb 20, 2023 5:05 pm 
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What was the sfc of the Pratt & Whitney R-4360 Wasp Major, and how did it compare to the sfcs of other large airliner engines of the 1950s? Anybody know?
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Neal Nurmi
PostPosted: Mon Feb 20, 2023 7:15 pm 
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Oh, so I guess we're not talking race power here. That's where it gets interesting...


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Randy Wilson
PostPosted: Mon Feb 20, 2023 7:46 pm 
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If this helps, from Paul H. Wilkinson's Aircraft Engines of the World 1959/60:

page 251, Pratt & Whitney Wasp Major R4360 CB2 (commercial)
Fuel consumption (cr.) 0.43 lb/hp/hr

page 255, Wright Turbo Compound TC18 EA4
Fuel consumption (cr.) 0.38 lb/hp/hr

If you don't have access to the book for further specs, send me a PM and I'll try and help with more info from those pages. Someone else may have more first-hand info on commercial use. All the best.

Randy
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Stephan Wilkinson
PostPosted: Tue Feb 21, 2023 3:14 am 
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duplicate post


Last edited by Stephan Wilkinson on Tue Feb 21, 2023 11:23 am, edited 1 time in total.

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Stephan Wilkinson
PostPosted: Tue Feb 21, 2023 3:15 am 
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Thanks, Randy. Didn't know I had a relative in the business...
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Stephan Wilkinson
PostPosted: Tue Feb 21, 2023 3:15 am 
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triplicate post!


Last edited by Stephan Wilkinson on Tue Feb 21, 2023 11:24 am, edited 1 time in total.

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menards
PostPosted: Tue Feb 21, 2023 9:25 am 
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Randy Wilson wrote:
If this helps, from Paul H. Wilkinson's Aircraft Engines of the World 1959/60:

page 251, Pratt & Whitney Wasp Major R4360 CB2 (commercial)
Fuel consumption (cr.) 0.43 lb/hp/hr

page 255, Wright Turbo Compound TC18 EA4
Fuel consumption (cr.) 0.38 lb/hp/hr

If you don't have access to the book for further specs, send me a PM and I'll try and help with more info from those pages. Someone else may have more first-hand info on commercial use. All the best.

Randy


in generic simple-man terms, I always thought this was 150-200 gals per hour for the 4360, depending on lean settings... and the C-97 would flight plan for 600-800 gal per hour of fuel burn.
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