[PSUBS-MAILIST] Heads Question

[hank pronk via Personal_Submersibles]

 David,I think I paid around 600 dollars Canadian for my 36 inch hemi heads.  Why are you not using hemi heads instead of dished?  You can save weight and I bet that is important in your sub.  
Hank    On Saturday, September 16, 2017, 10:17:08 AM MDT, David Colombo via Personal_Submersibles <personal_submersibles at psubs.org> wrote:  
 
 Hi Alec, I just spoke with the company that Roberto mentioned here in California to place an order for dished head for the SeaQuestor. I will be using the 36"OD x .375 A516-70 steel what they call Elliptical 2:1 Ratio ASME Code Type. It comes with a 2" flange which is really a 36" od ring shape as part of the forming. This would mate up to the 36"OD first hull section. I'm thinking that this would give me the best welding condition with two matched surfaces that I would bevel for full pen welding. I'm curious why not to have the flange?   My cost here is $480.00 + $96 to have it shipped to northern California from southern California. even though its only a nine hour drive one way, I think my time would be worth more than $5 hr to pick it up. LOL Unless of course its cheaper in Canada (Hank), I might make the trip and could serve as support crew for the Gamma. Any thoughts out there from fellow Psubers would be appreciated.

Best Regards,
David Colombo

804 College Ave
Santa Rosa, CA. 95404
(707) 536-1424
www.SeaQuestor.com


On Fri, Sep 15, 2017 at 2:28 PM, Alec Smyth via Personal_Submersibles <personal_submersibles at psubs.org> wrote:

Ugh, mental typo. I meant "un-beveled" and "bevel them yourself", not "un-flanged" and "flange them yourself".
!!!!!!!
On Fri, Sep 15, 2017 at 5:25 PM, Alec Smyth <alecsmyth at gmail.com> wrote:

Hi Roberto,
I believe the short description for what you need is flanged, beveled, and code. You could get them unflanged, but it takes quite a while to make a flange with an angle grinder. The flanges if I recall are 2". Do set up a project page or something so we can follow progress!

Best,
Alec
On Fri, Sep 15, 2017 at 5:07 PM, roberto alvarez via Personal_Submersibles <personal_submersibles at psubs.o rg> wrote:

Hi, lost the plans cd for the k250, i am  interested in the  head selection, i found a seler in california and have flanged ,beveled ,code, non code,
Will apreciate your support in this ( until i found the plans cd )
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