[PSUBS-MAILIST] Fwd: hemi heads
Keith Gordon via Personal_Submersibles
personal_submersibles at psubs.org
Mon Nov 9 14:27:33 EST 2015
Hi Vance and Sean
I presume you are discussing the Pisces images I sent - yes gauges by port view port are - thruster position indicator & pressure gauge for power pack output
Keith G
On 9/11/2015, at 3:07 PM, via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
> i assume you mean the gauge shape on the outboard edge of the pilot's viewport (port side). That isn't a gauge. It is a mechanical (push pull cables) thruster angle indicator.
> Vance
>
>
> -----Original Message-----
> From: Sean T. Stevenson via Personal_Submersibles <personal_submersibles at psubs.org>
> To: Personal Submersibles General Discussion <personal_submersibles at psubs.org>
> Sent: Sun, Nov 8, 2015 7:04 pm
> Subject: Re: [PSUBS-MAILIST] Fwd: hemi heads
>
> The external gauges are likely for the hydraulic system (pump, manipulators, etc.) pressures, as these would have no reason to be plumbed into the personnel sphere, and would represent a risk of contaminating the atmosphere in the event of a leak / spill.
> I did a lot of ROV projects in which mechanical gauges were similarly placed within a camera field of view. Much simpler and cheaper to piggyback on the video versus signal conditioning a transducer and sending that measurement separately up an umbilical.
> Sean
>
>
> On November 8, 2015 4:51:14 PM MST, 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
>
>
>
>
>
> Personal_Submersibles mailing list
>
> Personal_Submersibles at psubs.org
>
> http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles
>
>
>
>
>
>
>
>
>
> Personal_Submersibles mailing list
>
> Personal_Submersibles at psubs.org
>
> http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles
>
>
>
>
>
>
>
> -----Inline Attachment Follows-----
>
>
>
>
>
> Personal_Submersibles mailing list
>
> Personal_Submersibles at psubs.org
>
> http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles
>
>
>
>
>
> Personal_Submersibles mailing list
>
> Personal_Submersibles at psubs.org
>
> http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles
>
> _______________________________________________
> Personal_Submersibles mailing
> list
> Personal_Submersibles at psubs.org
> http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles
> _______________________________________________
> Personal_Submersibles mailing list
> Personal_Submersibles at psubs.org
> http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://www.whoweb.com/pipermail/personal_submersibles/attachments/20151110/8bb221a0/attachment-0001.html>
More information about the Personal_Submersibles
mailing list