[TheForge] metallurgy question

[Jeff Wilson]

Terry> Are we confusing the cost of an entire ROV SYSTEM with the costs of a 
containment? Which are you interested in?

   Note: Even USN submarine hulls are de-rated in maximum operational depth 
after a specified number of Deep Dives.

----- Original Message ----- 
From: "terry l. ridder" <terrylr at blauedonau.com>
To: "Blacksmithing List Sponsored by ABANA" <theforge at mailman.qth.net>
Sent: Friday, May 27, 2011 6:53 PM
Subject: Re: [TheForge] metallurgy question


> hello ries;
>
> long time no read. ;-)
>
> this true. when i queried the usn and noaa, they both said make or
> purchase a dozen or two and replace as needed. calculate the cost of the
> housing and the labor include in the rental schedule. after x dives the
> following preventive maintance must be performed and cost you this much
> time and money.
>
> many rovs are being patterned after WHOI jason-II.
>
> these are patterned after hercules and little herc.
>
> noaa rents out hercules and atlantis for $30,000.00 usd per day.
>
>
> On Fri, 27 May 2011, ries wrote:
>
>>
>> Another thing to keep in mind is that metals, like many other things
>> in high stress environments, have definite life spans.
>> A camera housing like this may just be good for x number of dives, at
>> which point the US Navy retires it and puts a new one into service.
>> If the thermal cycling and resultant stresses are severe enough, you
>> just have to consider them consumables...
>>
>> ries
>>
>
> -- 
> terry l. ridder ><>
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