[PSUBS-MAILIST] Tank Calculator

[James Frankland via Personal_Submersibles]

Thanks for the clarification guys.  I will check my dimensions later.

On 11 May 2015 at 14:19, Jon Wallace via Personal_Submersibles <
personal_submersibles at psubs.org> wrote:

> James,
>
> No, not the total height of the tank head.  The "skirt" is the part of the
> tank head that DOES NOT contribute to the elliptical geometry.  It is
> spherical and an attachment point for the tank head.  Most tank heads in
> the US have a two inch skirt but you can specify shorter or longer.  See
> attached images...the skirt is the red in second image.
>
> Jon
>
>
>
>
>   On Monday, May 11, 2015 6:15 AM, James Frankland via
> Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>
>
> Hi All,
> Can someone please clarify something for me on the psubs 2:1 tank volume
> calculator.
>
> "Length of Skirt".  Is this the total height, ie from the centre to the
> edge of the tank head?  Or from the edge to the corner\knuckle radius?
>
> My tank heads are these ones.
>
> http://www.purdie.co.uk/products/2-1_semi_ellipsidal.php
>
> Many thanks
> James
>
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