[wwilson]

Have you looked at the Spade Anchor web site? They deal with your question on their FAQ page. Here is their URL: http://www.spade-anchor.com

Briefly, weight enhances the set rather than holding power, which is surface-area dependent. Let us know how the anchor works if you buy. I was going to buy one, but missed my chance. You''re right, their performance in the PS tests was impressive. Good luck.

Wayne