[PSUBS-MAILIST] Gamma bow dome

[hank pronk via Personal_Submersibles]

James,
I am amazed at the equipment some of the big shops have. A vertical mill is probably the way to go.  I am checking out another option also.  There are machines made to machine pipe flanges that clamp on and are portable.  There is a company in Calgary that specializes in this. I am just not sure yet what the accuracy is yet.  It is nice that I live only 3 hr from a big oil town that caters to the oil industry.  You can tell that oil is low, and the shops are slower.  I ordered the ring on a Friday and it was ready Monday.
Hank    --------------------------------------------
On Fri, 2/27/15, James Frankland via Personal_Submersibles <personal_submersibles at psubs.org> wrote:

 Subject: Re: [PSUBS-MAILIST] Gamma bow dome
 To: "Personal Submersibles General Discussion" <personal_submersibles at psubs.org>
 Received: Friday, February 27, 2015, 4:08 AM
 
 Hi hank,Sounds like
 it will be a good modification.  How are they going to
 machine the ring?  Some sort of vertical
 mill?RegardsJames
 
 On Friday, 27 February 2015, hank pronk via
 Personal_Submersibles <personal_submersibles at psubs.org>
 wrote:
 Today I
 officially took the plunge and removed the forward ballast
 tank to install my new bow dome.  After much agony I
 decided to make the change.  I am not enjoying the sub
 because the forward window arrangement is not ideal for
 lakes with marginal visibility.  I went to the big city
 yesterday and picked up the reinforcing ring and should have
 it fitted in a couple of days.  I am bringing in a pressure
 welder to weld the ring and then the sub is off to the big
 city to machine the ring.
 
 Hank
 
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