[PSUBS-MAILIST] sphere construction,

[Michael Holt via Personal_Submersibles]

On 7/12/2017 8:50 PM, hank pronk via Personal_Submersibles wrote:
> Today I had an idea that would not have been possible before I had a 
> big lathe.  I can buy a series of 4 inch thick rings and machine them 
> flat, glue them together to create a sphere.  The rings can be 
> machined individually so when glued together I have a sphere.  The 
> beauty of this is I can have additional thickness where I need it, 
> like the hatch land.  The ring that makes up the hatch land can be 
> thicker.
Sounds quite reasonable to me, too.  It worked for the Aluminaut and for 
James Helle and his Submanaut.  Mr. Helle was working in 3/4-inch 
plywood, though.



Mike



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