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Fortress FX v. Rocna Anchor
On Thu, 01 Nov 2007 09:50:54 -0700, Bob wrote:
If anchoring in sand bottoms (hard, loose, sand/mud) why would I chose the Rocna instead of an anchor design specifically for such conditions; Fortress FX series. In other words, Fortress FX or Rocna? Which holds best in sand or mud bottoms? Or is the Rocnca's appeal that it holds adequately in a variety of bottoms? Say, the better crescent wrench (adjustable spanner for you Limeys). There's a couple of reasons and they apply equally to the Spade and a few others of this type. Danforth type anchors, including the Fortress, have great holding power if they are well set in favorable conditions, typically firm mud or sand. They also have a few notable weaknesses however: Unfavorable bottoms like grassy or rocky; and even more important, the ability to get down through the water and set in a boat that is moving, or in strongly moving current. Danforth type anchors will plane like a water skiier if you need to deploy them from a moving boat. I've seen it happen and it convinced me to buy a CQR at the time, many years ago. Danforth types also have an unfortunate habit of fouling a fluke on their own rode with a directional shift, or somtimes on a shell or rock which prevents the flukes from pivoting to the proper angle. As a result I've come to view Spades, Rocnas, etc. as better all around anchors but I still carry a Danforth for special circumstances where I need something lighter light weight. |
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