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| Helix Anchors for permanent anchoring of: |
- Boats
- Floating Docks
- Bulkheads
- Seawalls
- Fixed Piers
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| Helix Mooring Systems introduced Helix anchors to boat owners, harbormasters, and marina managers in 1992 as an alternative to traditional mushroom, deadweight, and pile anchors. In contrast to traditional anchors, these environmentally sensitive Helix anchors offer high holding and long-life. |
| High-Holding |
Our anchors derive their holding from the soils into which they are screwed. The Square Shaft anchors are installed with the aid of hydraulics to screw the anchor through resisting soils. Our anchors have been repeatedly tested by Mother Nature and tugboats with load measuring equipment.
The results of the first test (performed in Vineyard Haven, Massachusetts, under the watchful eye of area harbor masters, a marine industry reporter, and a representative of Boat/US) are typical of all the load tests performed. |
| Mooring Type |
Bottom Condition |
Breakout Force |
| 350-lb. Mushroom |
5 ft. deep in mud |
2,000 lb. |
| 500-lb. Mushroom |
in sand bottom |
1,700 lb. |
| 3,000-lb. Concrete USCG block |
set in mud |
2,100 lb. |
| 6,000 lb. cement block |
on sand bottom |
3,200 lb. |
| 8/10 Helix |
soft clay mud |
20,800+ lb. |
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| Sizing of Anchors |
| Helix anchors can be sized according to your holding requirements. Typically, the soil and holding requirements dictate the number of helices and length of the anchor. Each helix plate acts as a separate anchor, using the soil above it to achieve holding power. |
| Long Life |
| Our high-load marine anchor is built on a solid, square shaft measuring 1 ¾” on a side. It is protected with hot-dipped galvanizing, and the termination includes a 1 1/8” shackle which encircles the shaft and connects to the anchor rode (elastic rode, chain, rope, and cable have all been used successfully). |
| Environmentally Friendly |
| Because these anchors don't drag around the harbor bottoms and can be effective with shorter scopes, they are preferred in environmentally sensitive areas and have been recommended by some state agencies and scuba-diving tour companies. |
| For more information visit www.helixmooringsystems.com |
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