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Forum: Tech Log

17th Jul 2017, 03:41

Replies: 30

How do you make a GE90 fan blade

Views: 16,802

Posted By lomapaseo

My only quibble is that this patent is generic....

My only quibble is that this patent is generic. It's application is akin to the J58 except the J58 did it to divert large quantities of air around the core burner into the afterburner. This would...

Forum: Tech Log

16th Jul 2017, 02:08

Replies: 30

How do you make a GE90 fan blade

Views: 16,802

Posted By lomapaseo

I suspect the "Blackbird" rotor lock was due to...

I suspect the "Blackbird" rotor lock was due to it's dual role Jet engine and ram-jet.

At very high altitudes you wanted lots of bleed air bypassing the burner-turbine so as to ram the afterburner...

Forum: Tech Log

13th Jul 2017, 23:37

Replies: 30

How do you make a GE90 fan blade

Views: 16,802

Posted By lomapaseo

That accretable material is a natural result of...

That accretable material is a natural result of rubbing on metal to metals etc. It then exists in an extremely high velocity field at tip speeds. The result is that it becomes a birthing field for...

Forum: Tech Log

13th Jul 2017, 19:38

Replies: 30

How do you make a GE90 fan blade

Views: 16,802

Posted By lomapaseo

Simple just use the flexible properties in the...

Simple just use the flexible properties in the material to stretch and untwist to close down the leakage path.

There is always a balance between too much and not enough, hence the abradeable...

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