Dave, (or anyone I guess)
Do you happen to know what, into choosing a demonstrated design dive speed
(Vdf)?
I assume that there some structural consideration for choosing this number?
Flutter would be a consideration
Paul
On Tue, Aug 20, 2013 at 8:08 AM, David Joyce <davidjoyce@doctors.org.uk>wrote:
> davidjoyce@doctors.org.uk>
>
>
> Frans, As I understand it VNe (which for me is 165 kts) is 90% of Vdf or
> demonstrated flight diving speed so that I guess Europa flew the
> prototypes at 183 kts to give the rest of us a bit of a margin for error.
> They probably thought that with the designed engines it wasn't likely that
> folk would want to or be able to go much faster and design theory
> suggested that 183kts would be OK, always assuming of course that the plane
> was constructed properly. Regards, David Joyce,
>
>
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