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If the helix achors are easy to put in, then they come out easily too. The professional installers use a machine that has (IIRC) 40 times the torque of a post hole digger. You can't come near that with scuba and a self-install.
I agree with that to an extent, I would be screwing it in using a bar for leverage, but when its pulled its not being unscrewed.
You guys are both right on the bottom type, I guess I'll go dive on the site and then I'll know if its even a viable option.
By the way, does anyone know of any charts that show the correlation between wind speed, and force exerted on an anchor/mooring? I'm sure it would complicated due to the variables in aerodynamics of different vessels.
Last edited by Freerider; 04-01-2009 at 10:11 PM.