Anchors on the University of Maryland’s Rachel Carson are prepared for deployment into the Chesapeake Bay muck.

Anchoring in Squishy Bottoms

Practical Sailor carried out its own series of anchor tests in a mud bottom in 2006 (see April 2006 and October 2006 issues), and those tests bore out a commonly known fact: Danforth-style anchors, which feature flukes that are proportionally larger than other types of anchors of the same mass, tend to hold better than older, plough-style anchors in soft mud. When Practical Sailor was invited to witness Fortresss test, editors were initially skeptical; the playing field seemed heavily tilted in Fortresss favor. In the end, however, it was a busy test schedule, not outright skepticism, that prevented our attending.
Switching to small-diameter, high-tensile chain (G70 or greater) leads to a hunt for small shackle pins to fit the chain’s smaller-diameter openings without weakening the rode. A small-diameter, high-tensile pin joins two U-shaped parts in a hammerlink (at left). Some sailors use omega links (at right) like these 6-mm Excel omega links from Van Beest (pictured with G80 chain). The yellow omega connector shows an assembly with a very short clevis pin (centering load). The identical, grey omegas were both Armorgalv-coated; the one on the left was tested to failure. The bow opened slightly, allowing the pin to be released and sheared. (Photo/ Jonathan Neeves)

Anchor Shackles: The $15 Insurance Policy

Were always amazed how a sailor can spend months agonizing and wringing his hands over which anchor to purchase, and then, when he finally shells out $700 or much more for the anchor, hell attach it to a shackle that has no business being on a boat. Weve plowed through the topic of shackles in several recent issues, but we havent looked specifically at anchor shackles for more than a decade. Choosing a properly sized, high-quality shackle is important, but its also essential to be familiar with proper use.

Making Sense of Marine Chain Standards

Chain is made from wire. The cross-sectional area and strength of the wire determines the strength of the chain. The weld of each link should be stronger than the wire, so if a chain breaks, it should break in the body (wire)-usually at the crown, or the curve in the link-not the weld.
Ultra claims its ball-and-socket swivel (top) is stronger than the chain it is meant to pair with, even when side-loaded, so attaching it directly to the anchor is no problem. Nevertheless, it’s obvious how the forks on a streamlined, jaw-and-jaw barrel swivel could pry open as side-loading increases. We saw evidence of this in our samples.

Anchor Swivels: Caution Required

Stroll down the docks at any boat show, and youll see a surprising number of boats equipped with expensive, stainless-steel swivels between the anchor and the chain. Almost all of these swivels are highly polished, machined and/or welded gems that cost anywhere from $80 to $200 or more. By comparison, a galvanized anchor shackle rated to withstand the same or greater loads as the chain rode we rely on costs less than $15.

Anchor Trip Line Tricks

An anchor trip line is a stout line connected from the after end of the anchor fluke to a marker buoy so that the...
Forsheda Rubber Snubber. (Image source: Jimmy Green Marine)

Anchor Snubber Shock Load Test

In the past, a snubber was simply a device incorporated into the anchor rode to take the load off the windlass. We recently tested different types of snubber material, including nylon octoplait, rock-climbing rope, and rubber. Our tests were conducted as part of a long-term project on anchor-snubber selection, deployment, and care. Although there are some pre-fabricated snubbers on the market, most cruisers make their own, so this initial comparison was more generic in scope, focusing on common materials and designs.
Anchor chocks hold an anchor securely on any reasonably flat surface, but you’ll need to drill 10 holes to mount the component parts, so think twice about this option. (Photo and line drawing courtesy of Sea-Dog)

Handling Anchors on Boats Without Anchor Lockers

How do you keep an anchor and its rode at the ready if you don’t have an anchor locker up at the bow? It’s...

Advice on Buying a Pre-Owned Anchor

Since defects are usually obvious, anchors is one category of gear in which “what you see is what you get.” Certainly, there are counterfeits and home-welded one-offs that you’ll want to avoid, but the fakes and do-it-yourself anchors are usually easy to distinguish. Before you buy a used anchor, you should have a very clear picture of the size, type, and brand of anchor will best suit your needs. Depending on the specific anchor you seek, you can save 30 to 50-percent on cost by purchasing a pre-owned anchor instead of a new one.

Mud Anchoring Wisdom

For as long as I can remember, and probably for generations, it has been Chesapeake Bay lore that the longer an anchor soaks the...

Checking Rope Strength

We like nylon for docklines, anchor rode and chain snubbers because it stretches, absorbing jolts that would otherwise be transferred to the boat and...

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