[PSUBS-MAILIST] Elliptical Heads

["James Frankland" <frankland@cwgsy.net>]

Hi All.

I seemed to have solved my problems of sourcing materials here in the UK and all is now underway for my K350 project.

I have a question.  The plans call for 
3/8" (9.5mm) x 36" (914m) OD ELLIP. HD. ASTM 516 GR70

Elliptical heads for the main pressure hull endcaps.

Have a look at this website where i am getting the dished ends made up.  I am contemplating the "2:1 Semi Elliptiodal" shape.  But there are other shapes that look similar and maybe better?  

http://www.purdiemetalspinning.co.uk/dishedends/product_range.html

Any thoughts, suggestions would be most welcome.

Many thanks
James

 

 
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