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Where It All Began

The following are two news articles from the early days of our company. While helical anchoring techniques have been used in land-based construction for nearly 100 years, it wasn't until David Merrill recognized their broader potential in 1992 that they became popular for marine-based mooring applications.

The Helix Anchor

The anatomy of a helix anchor - HelixAnchors.com

Why should you consider a helix anchor when choosing a mooring system for your boat?

The answer is simple, helix anchors are far superior to all other anchor systems on the market today.

BoatUS Insurance Company and Cruising World Magazine have conducted pull tests to compare the holding power of the typical anchors used to moor boats against the helix anchor. Their findings have proven that helix anchors have 4 to 5 time the holding power compared to all the other alternatives.

A single helix anchor, properly installed, can withstand the pulling force of a 800 hp Tug boat. Many different test pulls, with strain gauges in the line have registered in excess of 20,000 lbs of holding power. Read more about helix anchors and how they are used with our revolutionary Eco-Mooring System, the best conservation mooring system on the market today.

Helix anchor diagram - helixanchors.com

Helix Anchor Attributes

  • Made with high grade steel
  • Drop-forged connections
  • Hot-dipped galvanizing
  • Major USA manufacturer
  • Wide variety of sizes and lengths
  • Tension capacities of 100,000 lbs.
  • All welding done prior to galvanizing
  • US- Crosby shackles
  • Anchors are easily transported

Product Comparison Table

Mooring Type
Helix
Dor-Mor
anchor
650 lbs
mushroom
500 lbs
single
block
2k lbs
double
block
8k lbs
Resisting Force
(lbs.)
12,000
4,500
1,200
800
4,000
Water Depth
20
18
15
14
35
Scope
4:1
3:1
3.5:1
3:1
3:1
Est. Cost
$850
$1,125
$1,100
$350
$550
 

Boat Owners’ Spirits Buoyed by New Development

Helix Mooring System - Boat Owners’ Spirits Buoyed by New DevelopmentAn ordinary looking mooring buoy off the Mattapoisett Boatyard pier may be riding the wave of the future.

That innocuous buoy is moored at the sea floor by a helical pier anchor.

A helical pier anchor is an earth anchor, a galvanized steel shaft with helical-shaped circular galvanized plates welded to it at given spacing. These anchors are turned into the ground using standard truck or trailer mounted auguring equipment.

Read more: Boat Owners’ Spirits Buoyed by New Development

 

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