[PSUBS-MAILIST] K-250

Sean T. Stevenson via Personal_Submersibles personal_submersibles at psubs.org
Sat Jun 14 00:36:34 EDT 2014


The EE machines are probably wasted on a 250 hull.  They have one of the most capable facilities around, and refinery parts are likely much more lucrative than hobby subs.  I wonder if timing is an issue? You might luck out resubmitting when they happen to have a slow period (wait for the price of oil to drop), but then the transport costs probably make the case for getting anything made closer to you if possible.  I can't imagine that shipping something like that is cheap.

Sean


On June 13, 2014 10:47:42 AM MDT, hank pronk via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>Scott,
>Weird, they must know your general location by your e mail?   they are
>expensive and prefer huge jobs, but still
>Hank 
>
>
>On Friday, June 13, 2014 12:04:46 PM, Daniel Lance via
>Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>  
>
>
>I wouldn't consider using anything less then  516 gr 70 when building a
>pressure hull . Also make sure you ask for the paper work to go with it
>with the proper heat numbers stamped on all the hull sections. I would
>also follow up by sending a coupon from each piece to an independent
>lab for verification .
>Dan Lance 
>On Jun 13, 2014 9:15 AM, "Daniel Lance" <lanceind at gmail.com> wrote:
>
>36 " in diameter . The original K250 plans specified A36 . In the 1960s
>or 1970s that was acceptable when steel was domestically produced. Most
>A36 is imported today and of questionable quality .  
>>On Jun 13, 2014 8:37 AM, "swaters via Personal_Submersibles"
><personal_submersibles at psubs.org> wrote:
>>
>>The K-250 hull is 4 foot long and 30" OD out of 1/4" ASME 516 gr70
>correct?
>>>Thanks,
>>>Scott Waters
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>Sent from my U.S. Cellular© Smartphone 
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