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From: "Ott, Michael C., M.D." <Ott.Michael@ma*.ed*>
To: techdiver@aquanaut.com, "'Steve'" <s_lindblom@co*.co*>
Subject: RE: 50 lbs of TNT, was Luxfer Cylinder Replacement Policy
Date: Mon, 21 May 2001 16:10:41 -0400
Has something changed recently with Luxfer?  Two years ago I sent back seven
aluminum 80's (one at a time) with no money, after getting prior
authorization from Luxfer.  They cost me $17 each to ship UPS (no box, just
a label on the tank itself), and I got seven brand new aluminum 80 back with
no problem.  One tank was less that ten years old, so I had to send that one
to California (cost $35) instead of North Carolina, but even that one was no
problem.  I sent them without valves.  All had failed visual plus.  I sent
no other money.  Perhaps this was a time limited offer, but even at the time
my local dive shops didn't know anything about the deal.

> ----------
> From: 	Steve[SMTP:s_lindblom@co*.co*]
> Sent: 	Monday, May 21, 2001 10:20 AM
> To: 	techdiver@aquanaut.com
> Subject: 	50 lbs of TNT, was Luxfer Cylinder Replacement Policy
> Importance: 	High
> 
> Not to nitpick your useful post, but I have been reading gradually
> escalating equivilents, in pounds of dynamite or TNT, for the explosive
> force in a SCUBA tank for some time now, starting out at about 2 lbs and
> now up to your 50, to the point where I am wondering why we didn't just
> drop all the old 6351-T6s on Iraq or Bosnia - at your figure they clearly
> offer a bigger bang for both the buck and the lb. than most conventional
> explosives.
> 
> BTW, last thing I heard Luxfer was returning a singificant number of the
> tanks sent to them, when Luxfer techs could not find the cracks that the
> dive shop did, which amounts to an even worse deal - you pay shipping both
> ways, and end up with the same old tank (which in many cases the dive shop
> still refuses to fill!). Anyone thinking of taking them up on the deal
> ought to check the track record of whoever condemned the tank first.
> 
> Jerry wrote:
> >Sustained Load Cracking in the crown threads is a very real and serious
> >problem with aluminum cylinders of all makes.  The equivalent explosive
> >force is approximately equal to that of 50 pounds of 50% TNT going off. 
> >It can maim, kill and destroy everyone and everything in sight.
> 
> 
> --
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> 
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