PPRuNe Forums - View Single Post - Pratt & Whitney J58 vs General-Electric J93
Old 19th January 2011 | 23:52
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Jane-DoH
 
Joined: Dec 2010
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From: New York & California
Brian Abraham

Why don't you do your own research rather than asking others to do your leg work.
Because I've seen varying figures for thrust so I wanted to clarify it.


Turbine D

[quote]Specifically, which J93 engine are you looking for?

Both the J93-GE-1 and the J93-GE-3

For the J58, are you looking for:

J58X-A
J58X-B
J58X-C
Hmmm, I've never heard anything significant on the pre bleed-bypass J58's so I honestly don't know. Do you have additional information?

Are you looking for maximum transient thrust, steady state thrust, red-line thrust, TO thrust, maximum core thrust, sea level thrust or at altitude thrust?
I know what takeoff-thrust, red-line thrust, sea-level thrust, and altitude-thrust mean; I don't know what maximum transient thrust, steady-state thrust (does it mean something like maximum continuous power/thrust?), or maximum core thrust (unless you're talking about turbofans in which the core is the "jet" part of the engine, but that's not applicable here as both engines are turbojets)

As I understand it the thrust figures I'd want to start out with would be full-power/full military-power (dry) at sea-level, and sea-level thrust with full afterburning (Most listed thrust figures seem to be based around full power dry and full power afterburning at sea-level)
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