[PSUBS-MAILIST] Scott's new sub

[Brian Cox via Personal_Submersibles]

pressed

--- personal_submersibles at psubs.org wrote:

From: "Sean T. Stevenson via Personal_Submersibles" <personal_submersibles at psubs.org>
To: Personal Submersibles General Discussion <personal_submersibles at psubs.org>
Subject: Re: [PSUBS-MAILIST] Scott's new sub
Date: Thu, 08 Jan 2015 21:10:33 -0700

Cold spun, hot spun, or pressed?

Sean


On 2015-01-08 20:59, Brian Cox via Personal_Submersibles wrote:
> Pretty darn good,  Where I have a 26" ring inserted at the side of the sphere ( where the two hemispheres meet) it is a good gage of roundness, I can see a slight variation of the depth of the ring relief and it is very minimal.  The hemispheres end up having a slight bell shape to them.  This the challenge for the fabricators, you need to defiantly specify that roundness is critical and then they work it to get it as close as humanly possible.  Once we put the two hemi's together there was some slight coercing that was necessary to make everything true.
>
> Brian 
>

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