[time-nuts] Dumb Cs beam question: mechanical shock sensitivity?
Christopher Hoover
ch at murgatroid.com
Fri Aug 4 06:36:34 UTC 2006
Rick Karlquist wrote:
> This question reminds me of the HP5062 military Cs standard
> and the Navy's "hammer blow test." The Navy required HP to
> pass this test which consisted of mounting the victim, I mean
> the DUT, on a platform, and then whacking the platform with a
> 400 lb "hammer". The hammer was a weight on the end of a
> pendulum that was raised up and then let go. It was supposed
> to simulate firing a 16 inch naval gun, or maybe it was to
> simulate a depth charge in a submarine.
Ouch.
(Those 16" guns were amazing, said to be equivalent to tossing a VW bug
up to 23 miles.)
> (I believe the 5062's mainly went into submarines).
I imagine having a very good clock in a submarine would be useful for
all sorts of things.
-ch
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