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Date: Sun, 24 Sep 1995 18:48:14 -0400
To: techdiver@terra.net
From: bernie@in*.ne* (Bernie Chowdhury)
Subject: reply to Ken Sallot re: DIN/scooter crash
Cc: KEN@co*.ci*.uf*.ed*
Ken Shallot asked:

> So tell us, how hard of a crash did it cause for this DIN valve to 
> shear?

Answer:  I don't know.  Although I was on the dive, I did not actually
witness the event.  There were a number of us scootering in and the guy in
question (and he **is** in question!)  was ahead of me in the tunnel.  This
happened at Ginnie, in Devil's and in the main tunnel, to boot.  The diver
was/is very familiar with this environment, so I was surprised it happened.
I assume he was going full bore using a Tekna DPV-3 and hit the valve
directly.  Amazingly enough, he did this AGAIN, on a subsequent dive, one
which I was not on.  Needless to say, I won't dive with him any more.

Concerning the strength of an A-yoke in the situation recounted above, I
don't think the A-yoke would have fared much better.  Ken, perhaps you
should go ahead with that test involving a-yoke, DIN and sledgehammer, then
report back to us.  Video tape would be nice.... :)

Bernie Chowdhury

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