[PSUBS-MAILIST] hemi heads

[Sean T. Stevenson via Personal_Submersibles]

My thoughts exactly. Thankfully, I've managed to avoid the worst effects of the downturn in oil and gas because our clients are worldwide. I'm doing some collapse testing right now on some large samples for an Alaskan LNG pipeline.  Pretty impressive stuff to see 2" wall pipe bend like rubber in the big machines.

Sean




On November 6, 2015 6:36:00 PM MST, hank pronk via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>Well, now is the perfect time to  bust out the cheque book because
>steel is as low as it is going to be according to EE  and they are
>pretty dead over there.Hank 
>
>
>On Friday, November 6, 2015 5:41 PM, Sean T. Stevenson via
>Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>   
>
>No diesel. It will not operate independent of support capable of
>charging the batteries at the surface, though this may be accomplished
>by a portable generator if need be.It may be left in the water (towed,
>secured alongside, loaded and offloaded etc.) for the duration of an
>expedition, but is not intended for long-term submergence, such as
>seasonal operation.  Crane, A-frame or boat lift retrieval will be
>employed for storage and necessary maintenance.Sean
>
>
>On November 6, 2015 5:16:12 PM MST, hank pronk via
>Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>Do you intend on leaving the sub in the water full time (seasonal)
> Alsso sounds like it could have a diesel engine.Hank 
>
>
>On Friday, November 6, 2015 5:02 PM, Sean T. Stevenson via
>Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>   
>
>Ambitious p! roject,subject to change as funding dictates. 4 person
>lockout submersible (pilot, supervisor, 2 divers). Large for a PSub,
>but sized for road / intermodal transport. Not ramp launchable.
>Operating depth of 600m, safety factor TBD. 48 hour mission, 72 hour
>reserve. Built to full ABS / GL compliance with documented tests (NDT,
>strain gauging, material and proof testing) to enable classification by
>engaging a surveyor in the future, but not classed at this time. When
>construction is completed, it will live in Vancouver - my second
>(first?) home.
>
>Sean
>
>
>
>On November 6, 2015 3:06:12 PM MST, hank pronk via
>Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>>Hi Sean,We have it all sorted! out,and they are going forward, my
>>minimum thickness should be .875 not bad!  
>>As for your project, are you releasing clues?     Hmmm  that means two
>>subs only 5 hr apart, nice!  Hank 
>
>
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