Bird's Mouth Spar Calculators

[Bob D.]

I'm not sure what topic area this would fit in, so feel free to move it.

I came across this online calculator for making masts for sailboats today.
I thought it might also be useful for making large round columns.
https://duckworksmagazine.com/10/howto/birdsmouth/#google_vignette

There is a downloadable version that can run on your desktop at the
bottom of the page.

 

[Muttley000]

Bookmarked, thanks for sharing!