[PSUBS-MAILIST] PVHO rules

[hank pronk via Personal_Submersibles]

 Brian,If I form it, yes I will make a form.  I happen to have the correct size steel head here I can use for the form.   The window is only a hemispherical segment, so not too big.  I have to keep it under 26 inches so the ring (seat)  will fit in my small lathe. The oven will be the size of a old school phone booth, remember those? ;-)Hank

    On Sunday, April 21, 2019, 12:02:18 PM MDT, Brian Cox via Personal_Submersibles <personal_submersibles at psubs.org> wrote:  
 
  Hank, you need to build a big oven!           Are you going to form it over a big mold  ?
Brian


--- personal_submersibles at psubs.org wrote:

From: hank pronk via Personal_Submersibles <personal_submersibles at psubs.org>
To: Jon Wallace via Personal_Submersibles <personal_submersibles at psubs.org>
Subject: Re: [PSUBS-MAILIST] PVHO rules
Date: Sun, 21 Apr 2019 17:48:25 +0000 (UTC)

 Jon,I am specifically looking for the forming rules and temperatures.Hank
    On Sunday, April 21, 2019, 8:49:36 AM MDT, Jon Wallace via Personal_Submersibles <personal_submersibles at psubs.org> wrote:  
 
 PVHO rules come from ASME and they don't give them away for free.  If you look hard enough you can find them online.  I've got a 2010 set someplace on my server, I'll have to dig it out though.  I'll look later this evening if you haven't found them online by that time.

      From: hank pronk via Personal_Submersibles <personal_submersibles at psubs.org>
 To: Personal Submersibles General Discussion <personal_submersibles at psubs.org> 
 Sent: Sunday, April 21, 2019 10:14 AM
 Subject: [PSUBS-MAILIST] PVHO rules
  
Hi All,I am looking for the actual PVHO rules for Acrylic forming.  I can find all the references to the rules but not the rules.  I am planning to make a 5 inch thick 60 degree Hemispherical segment either from forming  or from machining out of a thick slab.  I prefer to form it because I will need an oven to heat treat it after anyways, but I don't want to form it without the rules.Hank_______________________________________________
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