[PSUBS-MAILIST] more progress

[hank pronk via Personal_Submersibles]

Oh yes, I remember you saying that.  I bet drilling it by hand was a bugger!  Hank 

    On Sunday, October 16, 2016 9:30 AM, Brian Cox via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
 

 Hank,              There is extra material in that area, I was as thinking the same thing too, I was also going to put some extras support bolts where it mates up to the ferro-cement hull as well.   But once I got it all cinched up and tight I was amazed at the strength of the whole thing, I will definitely be putting some washers in there .  Having to drill that stainless was a bitch !  I could weld some heavy duty washers in there or a piece of 1/4" flat bar with holes for the bolts for good measure.  I actually made a fiber-glass mold of the kettle and first cut away on that before taking the grinder to the kettle itself.   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] more progress
Date: Sun, 16 Oct 2016 08:44:58 +0000 (UTC)

Brian,That must have been a treat to get it to fit just right.  Can i make a suggestion?  I can't see inside the hopper, so I can't see if there is extra material around the bolts.  I think you should weld some extra material to the hopper where the bolts go through.  All the load will be on a small area and the bolts could tear out when the sub starts heaving.  Hank 

    On Saturday, October 15, 2016 9:44 PM, Brian Cox via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
 

 Hi All,                Here are some pics of my emergency drop weight hopper for the lead ball release:  
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