[PSUBS-MAILIST] Fwd: hemi heads

[Keith Gordon via Personal_Submersibles]

One more Hank of her in the water after a test dive after 10 years or more out of the water I'm the guy in the red shirt happy we survived! - these photos were taken in 1991 - no doubt you will see her when you visit Phil's bone yard - give her a pat from me
Cheers
Keith




On 9/11/2015, at 12:57 PM, hank pronk via Personal_Submersibles <personal_submersibles at psubs.org> wrote:

> Kieth,
> Nice pictures, what a beauty with her clothes off ;-)  
> Pete 
> Will do, I will take lots of pictures.
> Hank
> 
> 
> 
> On Sunday, November 8, 2015 4:51 PM, Pete Niedermayr via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
> 
> 
> Hank, Please check out those external gauges.
> 
> Pete
> --------------------------------------------
> On Sun, 11/8/15, Keith Gordon via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
> 
> Subject: [PSUBS-MAILIST] Fwd:  hemi heads
> To: "Personal Submersibles General Discussion" <personal_submersibles at psubs.org>
> Date: Sunday, November 8, 2015, 5:25 PM
> 
> As discussed
> Hank have removed one image to reduce to 418 KB - will see
> how this goesKeith 
> Begin forwarded message:
> From:
> Keith
> Gordon <searov at xtra.co.nz>
> Subject:
> Re:
> [PSUBS-MAILIST] hemi heads
> Date:
> 9 November
> 2015 9:34:32 AM NZDT
> To:
> Personal
> Submersibles General Discussion <personal_submersibles at psubs.org>
> 
> Hi Hank
> Maybe of interest - I have attached some pix of
> Pisces 8 without her clothes on - 
> Cheers Keith Gordon
> On 9/11/2015,
> at 5:17 AM, hank pronk via Personal_Submersibles <personal_submersibles at psubs.org>
> wrote:
> 
> Sean,By
> all means, anyone is welcome to any drawings I obtain or map
> from the Pisces.    I actually already
> have material price to machine the hatch from a solid disk
> of 516-70N  this way it is one piece with no welds.
>  I just need the drawing first to order the
> disk.Hank
>   
> 
> 
>       On Sunday, November
> 8, 2015 8:52 AM, Sean T. Stevenson via Personal_Submersibles
> <personal_submersibles at psubs.org>
> wrote:
>     
> 
>   I'd be
> interested in having a look at those drawings.  The
> idea with a
> conical bearing face on a hatch,
> if you are not trying to establish a
> metal-to-metal seal, is to provide a load path
> through the hatch itself
> to carry the shell
> stress that would otherwise require heavy
> reinforcement around the hole.  Thus, the
> "ideal" hatch would be the
> same
> thickness and curvature as the shell it is replacing,
> aligned to it
> so the load transfers straight
> through, with a flange on both the hatch
> and
> shell parts to create a substantial bearing face.  The
> conical angle
> in that case would be set by
> the hatch diameter, as the ideal interface
> angle would be perpendicular to the shell at
> every point.  I suspect
> that in
> practice, the cone is exaggerated beyond that, because
> we're
> talking about very small angles on
> larger spheres - on a PSub, perhaps
> it is
> more important.  The other advantage is of course the
> self-centering.
> 
> Sean
> 
> 
> On 2015-11-07
> 16:26, hank pronk via Personal_Submersibles wrote:
> > Dr Nuytten thinks he has detail drawings
> that he is willing to share
> > with me, if
> he can not find them, he has given me permission to
> measure
> > one of his Pisces in the bone
> yard.   I may have a look for myself even
> > with drawings, just because I am a visual
> guy- if I see it I can make
> > it.  
> Besides, how fun is a day at the Nuytco bone yard :-)
> > Hank 
> 
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