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An engineer′s delight, this piece estimates the loads on a boat at anchor, the holding power of an anchor, the static forces on a rode (all chain, all rope, or mixed), and the effect of a kellet. The author concludes (in layman′s language) in favor of a particular rode design, and offers spreadsheets you can use to make your own estimates.
[Alain Fraysse, USA]
A good long look at handling, stowing, maintaining, and relying on an all-chain anchor rode.
[Blue Water Sailing]
The effect of various loads on your anchor chain′s angle of pull on the bottom with different types of rode, and placement of a kellet or sentinel. Diagrams and a spreadsheet for you to analyze your own rode.
[John Holtrop, Ridgecrest, CA, USA]
Good introduction to breaking strength, chain-to-rope splices, hot-dip galvanizing, anchor swivels, BBB, proof coil, high test, and more technicalities of anchor chain.
[Blue Water Sailing, July 2004]
Chain or nylon? The advantages and disadvantages of each are listed, with tips for making your choice.
[SailNet, 22 October 1999]
Here′s an argument for replacing your all-chain rode with part-nylon. You may think you have x amount of scope, but three factors could make you wrong. Contains the author′s table for calculating scope.
[SailNet, 9 September 2003]
A 40-year-liveaboard couple describe the modifications they have made to their rode, trip lines, and other anchoring gear that solve some anchoring problems for them.
[SetSail.com, Charlotte, NC, USA]
Using the working load limits of each component in an anchor system to determine your needs. 5 pages with tables, formulae and a sidebar on chafe protection.
[Sail Magazine, September 2000]
Less stretch than nylon but less deterioration under load
[Cruising World, August 2001]
A novel combination of chain and nylon anchor rode to maintain the holding power of chain while approaching the low weight of nylon. A method of setting two anchors but still swinging as if on one. 2 pages with diagram.
[Sail Magazine, September 2000]
Chain is weak. Even hi-tensile chain has less than half the breaking load of a suitably sized Nylon line.
Tom Wood
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