We are a couple from Alaska heading out this summer for a two or more year long cruise. We’re thinking of upgrading the anchor system on our 38′ steel Waterline cutter to something stout enough for exposed anchorages in places as extreme as Antarctica or Greenland. Currently we have 100 meters of 5/16 BBB with a 70# Bruce-type anchor and a 45″ CQR as backup. A fellow at Rocna anchors is advising us to go to G40 in 3/8″, and upgrading to a larger, 33kg or 40kg main anchor. My question, other than any comments/suggestions you might have regarding what you might advise us to go with, is do you think we can keep our 3/8 system (mostly our hydraulic anchor winch) by going to a G70 chain? I understand that Steve Dashew has gone to stronger, lighter 3/8 G70 so I wonder how you would think I could best apply this variable for our needs. Also, can you direct me to sources where chain higher in strength than G40 could be purchased?
I would appreciate any thoughts/suggestions you might have as we move towards making our final decision. Your expertise is very appreciated.
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5/16″ System Seven would be my choice for your boat. Try Washington Chain in Seattle, the Acco distributor. We like the Rocna hook. But I’d go to about 100 lbs/45kg, which will allow much shorter scope anchoring. Be sure and get oversized links welded to the chain ends with your order and use an appropriate shackle.