[PSUBS-MAILIST] thru hulls

[Brian Cox via Personal_Submersibles]

I think I'm going to go with multiple 1/16th thick O rings, maybe two on each end of the thru hull, separated from each other by a quarter inch or so.

Brian

--- personal_submersibles at psubs.org wrote:

From: Brian Cox via Personal_Submersibles <personal_submersibles at psubs.org>
To: "Personal Submersibles General Discussion" <personal_submersibles at psubs.org>
Subject: Re: [PSUBS-MAILIST] thru hulls
Date: Tue, 17 Mar 2015 15:34:33 -0700

Hank,
       That is an incredibly deep groove, and I don't see the reason for it.  I was considering going with that size but getting a grooving tool to go .125 thousandths is a long way to go, especially in a 1/2" hole !

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] thru hulls
Date: Tue, 17 Mar 2015 13:26:57 -0700

Brian,
Gamma has 1/8 orings, I would go with 1/8 might be more forgiveness.
Hank 
--------------------------------------------
On Tue, 3/17/15, Brian Cox via Personal_Submersibles <personal_submersibles at psubs.org> wrote:

 Subject: [PSUBS-MAILIST] thru hulls
 To: "PSubs" <personal_submersibles at psubs.org>
 Received: Tuesday, March 17, 2015, 3:31 PM
 
 Hi
 All,             
 Starting in on thru hull production.  I will need
 probably close to a dozen of them.  I'm making them
 all to accept a 1/2" stainless shaft, and I will be
 using 1/16"  O rings.  I don't see any
 need to use thicker diameter O
 rings ,  since the deeper O ring grooves
 can be a bit more problematic.   By the time my
 welder finishes all the remaining critical welds I should
 have my thru hulls done.   Also working on my
 forward hard ballast tank, approx. 18" in dia X 5'
 long
 .  Cheers, Brian 
   
 
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