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Forum: Tech Log

17th Jul 2017, 06:47

Replies: 30

How do you make a GE90 fan blade

Views: 16,802

Posted By megan

Abernethy was the P&W engineer who gave life to...

Abernethy was the P&W engineer who gave life to the J-58. Extract of a speech he made to A-12/SR-71 and J-58 folks at a reunion.
Thrust Produced
Mach 2.2 - Inlet 13%, Engine 73%, Ejector 14%
Mach...

Forum: Tech Log

15th Jul 2017, 04:30

Replies: 30

How do you make a GE90 fan blade

Views: 16,802

Posted By megan

I doubt the advances would be able to overcome...

I doubt the advances would be able to overcome the basic fundamentals behind the cause of rotor lock though in the particular operating environment (Mach 3+). Rotor, or core, lock is an issue even...

Forum: Tech Log

14th Jul 2017, 23:36

Replies: 30

How do you make a GE90 fan blade

Views: 16,802

Posted By megan

The J-58 of the SR-71 would grow some inches in...

The J-58 of the SR-71 would grow some inches in diameter during cruise. Should the power during descent not be managed correctly the pilot on more than one occasion found himself flying a glider due...

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