[PSUBS-MAILIST] Jon's new penetrators

[hank pronk via Personal_Submersibles]

Jon,I will have to research drilling size for 1\4 inch, but yes, I will drill under size then run a tap through to make the threads.  To keep it simple, I would like to do two o-rings on the bore with an over size end to create a shoulder and then a snap ring to retain it.  You would get the penetrator with a hole or holes bored through and three grooves, two for o-rings and one for the snap ring.  All you will have to do is cut the rod to length and thread it in with some epoxy on the threads.  Hank 

    On Tuesday, February 9, 2016 8:52 AM, Brian Cox via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
 

 Hank,    so to clarify on the Delrin, a copper threaded rod ( 1/4" for instance) would get threaded into the Delrin?  Would you just make an undersized hole then?  and the copper rod would form a thread all the way through? Brian

--- personal_submersibles at psubs.org wrote:

From: hank pronk via Personal_Submersibles <personal_submersibles at psubs.org>
To: Personal Submersibles General Discussion <personal_submersibles at psubs.org>
Subject: Re: [PSUBS-MAILIST] Jon's new penetrators
Date: Tue, 9 Feb 2016 00:03:53 +0000 (UTC)

Jon,Great, if you can give me the measurements I can whip them up for you and you can thread the rods in.  Also let me know the grade of Derlin and I will see if I can get it here.Hank 

    On Monday, February 8, 2016 4:31 PM, Jon Wallace via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
 

  
 Don't have calipers but will get a good one soon so I can get some measurements.
 
 Jon
 
 
 On 2/7/2016 10:27 PM, hank pronk via Personal_Submersibles wrote:
  
  Jon, I just realized that your penetrator holes are in the aft head, so my last idea is bad!  Derlin is the way to go.  Do you have a caliber to get some accurate measurements?  
  Hank  
 
 
 
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