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Forum: Tech Log

18th Dec 2009, 15:19

Replies: 70

787 First Flight - Signs of Trouble Ahead?

Views: 30,802

Posted By Rainboe

I think this is wrong. It's all to do with...

I think this is wrong. It's all to do with moments. If you moved the total lift of the wing out to the wingtip, the same lift is still there, but the bending moment would be immense. Move the lift to...

Forum: Tech Log

18th Dec 2009, 08:19

Replies: 70

787 First Flight - Signs of Trouble Ahead?

Views: 30,802

Posted By Rainboe

It is still not clear what you mean, what does...

It is still not clear what you mean, what does 'deflected negative' mean? Deflected down? That would not be right at all. I assume it means 'upfloat'? The reasons for that are well documented. Your...

Forum: Tech Log

17th Dec 2009, 15:39

Replies: 70

787 First Flight - Signs of Trouble Ahead?

Views: 30,802

Posted By Rainboe

Can we get this straight? Are we talking about...

Can we get this straight? Are we talking about aileron 'droop' or 'upfloat'? Upfloat I can understand. But I do find it extraordinary that a correspondent thinks he has spotted design flaws from a...

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