Thanks, Jim.
I rather enjoy that sort of machinery; it’s quite reassuring that it’s possible
(was possible) build devices of that complexity but which have relatively
simple components. I’d guess that that assignment was a valuable part of your
overall training and experience.
Chris
On 13 Dec 2013, at 01:42, Jim Nichols <jhnichols@xxxxxxxxxxxxx> wrote:
snip
>
> By moving all jacks simultaneously, starting together, and stopping as
> each reached the next contour setting, we were able to minimize the
> transient stresses. ( I had to calculate the stresses at each of about
> 50 contour steps, to prove this was a safe approach to moving the
> plates.) Aerodynamic shapes were provided in 0.10 Mach increments, with
> guiding contours in between to limit the stress level of each change.
> All jacks had to be checked and found to be "on contour" before the next
> step was initiated.
>
> It was quite an assignment for a guy whose only previous experience was
> as a USAF Lieut. serving as a project engineer in a wind tunnel at W-PAFB.
>
> Thanks for allowing me to go back in time. Probably a lot more than you
> really wanted to know.
--
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