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Forum: Tech Log

5th Dec 2017, 01:40

Replies: 33

Its all in the wings

Views: 9,861

Posted By tdracer

Actually since the B-47. When Boeing proposed a...

Actually since the B-47. When Boeing proposed a swept wing for the B-47 they ran into nasty flutter issues until they figured out how to use the podded engines as mass dampers.

Forum: Tech Log

28th Nov 2017, 01:31

Replies: 33

Its all in the wings

Views: 9,861

Posted By tdracer

PDR, go ahead and be the skeptic, but consider...

PDR, go ahead and be the skeptic, but consider these facts:
The MD-90 incorporated new, 1990's technology V2500 engines to replace the 1960s technology JT-8D engines on the MD-80. This should have...

Forum: Tech Log

27th Nov 2017, 00:01

Replies: 33

Its all in the wings

Views: 9,861

Posted By tdracer

The key is it's last minute. Adding a fuselage...

The key is it's last minute. Adding a fuselage plug forward of the wing is a not a trivial change - it's a major fuselage re-design. Sure, if you don't mind delaying the project a couple years and...

Forum: Tech Log

26th Nov 2017, 02:46

Replies: 33

Its all in the wings

Views: 9,861

Posted By tdracer

The problem with tail mounted engines is you need...

The problem with tail mounted engines is you need to know - to a very high level of precision - the engine weights very early on, and that's seldom the case. If the engine weight changes you end up...

Forum: Tech Log

22nd Nov 2017, 06:44

Replies: 33

Its all in the wings

Views: 9,861

Posted By tdracer

Perhaps being a bit anal here, but Boeing had...

Perhaps being a bit anal here, but Boeing had nothing to do with outsourcing the wing to Korea - that decision was made by MacDac years before the MD/Boeing merger.
Unfortunately it was that same...

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