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Forum: Tech Log

5th Dec 2017, 06:26

Replies: 33

Its all in the wings

Views: 9,861

Posted By PDR1

That's the one! (I'd forgotten about the...

That's the one! (I'd forgotten about the application on the earlier bombers)

Forum: Tech Log

4th Dec 2017, 20:37

Replies: 33

Its all in the wings

Views: 9,861

Posted By PDR1

I think you misunderstand. With no engines on the...

I think you misunderstand. With no engines on the wing the structure must be torsionally stiff, and that takes material to do (the torsion loads are usually reacted by the skins which must be thicker...

Forum: Tech Log

27th Nov 2017, 09:42

Replies: 33

Its all in the wings

Views: 9,861

Posted By PDR1

Not only that, but wing-mounted engines are...

Not only that, but wing-mounted engines are typically used as torsional dampers, also allowing a lighter wing structure. And of course tail-mounted engines are much higher up, requiring more...

Forum: Tech Log

27th Nov 2017, 07:02

Replies: 33

Its all in the wings

Views: 9,861

Posted By PDR1

Ah. It seems the weight growth in the anecdote is...

Ah. It seems the weight growth in the anecdote is accelerating faster than it did in the engines. So was the two ton ballast requirement per engine as well? 1 ton of weight growth sounds like rather...

Forum: Tech Log

26th Nov 2017, 23:38

Replies: 33

Its all in the wings

Views: 9,861

Posted By PDR1

I have difficulty seeing how a ton on a very...

I have difficulty seeing how a ton on a very short tail moment would require two tons in one of the longest nose moment arms in aviation (relative to the tail moment arm)...

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