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Wayne.B
 
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On 9 Apr 2005 18:11:25 -0700, wrote:

So.....why not make a Delta style anchor from composite material with
metal edges and somehwat weighted point but a composite shank and body
for low weight. The holding power of plow anchors is not a function of
their weight but of their surface area.


You can buy an aluminum Spade anchor which is comparable to what you
are proposing, perhaps even better.

A well designed anchor will
penetrate the bottom even if it is lighter than a less well designed
one.


That's true to a certain extent but there is no question that weight
helps.