[PSUBS-MAILIST] Motor Pod

[hank pronk via Personal_Submersibles]

Brian,Ya, that won't work with a three jaw chuck, it takes me up to two hr to get Elementary's hatch in the lathe exactly in the right spot.  I had to change the angle of the seat a couple of times to get it perfect and did not want to mess with the o-ring groove.  Patience is key and some more experience would be nice.  Hank 

    On Saturday, April 8, 2017 2:37 PM, Brian Cox via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
 

 Hank,  Ya  I did weld a smaller diameter pipe on to the end cap, but with my 3 jaw chuck I couldn't get it exactly centered. 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] Motor Pod
Date: Sat, 8 Apr 2017 19:14:52 +0000 (UTC)

Brian,I think you will have a very smooth and reliable motor there.  I can see why they are tough to machine.  I found the trick is to use your 4 jaw chuck and weld tabs to the pod heads for the chuck to grab.  Then grind the tabs off after your done.Hank 

    On Saturday, April 8, 2017 12:48 PM, Brian Cox via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
 

 Hi Everybody,                            I finished my Port side motor pod.  Did a pressure test up to 10psi ,  still waiting on the silicone oil .  But it ran really smooth, had a bit of trouble when I machined the end caps, they weren't totally perfect, think I'll have the machine shop make a stab at it .  There were difficult to line up in my lathe and they were literally at the very maximum size my lathe could do.  But all my snap rings and o rings and epoxy thru hulls are good to go ! Pics:_______________________________________________
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