Guardian Anchors
Guardian Anchors are the Safer, More Affordable Alternative to Heavy Steel Anchors
BENEFITS
Benefiting from years of Fortress Anchor R&D, the Guardian model offers excellent quality, performance and economy. Guardian Anchors are made from the same high tensile, corrosion resistant aluminum magnesium alloy and manufacturing precision as Fortress.
The use of slightly smaller extrusion profiles and the elimination of some of Fortress’ extra features, such as anodizing, adjustable fluke angles, and several machining steps resulted in a very affordable alternative to those heavy, rust-prone steel anchors.
While the Fortress Anchor can be adjusted from 32 degrees to 45 degrees for extra holding power, the Guardian Anchor is limited to one single 32-degree angle.
FASTER
All Guardian aluminum anchors feature Mud Palms designed to help the anchor set faster in any type of sea bottom. Mud Palms create a “lift” to the crown of the anchor, causing the flukes to point more directly to the seabed. This helps the anchor set faster … in any bottom.
Guardian aluminum anchors are available in nine sizes for boats between 12 ft. (4 m) and 72 ft. (22 m)!
GUARDIAN SELECTION GUIDE
Boat size recommendations are for boats of average windage and proportions in 30 knots of wind, average bottom conditions, and moderate protection from open seas. Remember that the loads in 42 knots of wind are twice as much as in 30 knots.
Use three-strand nylon line, 6-12 ft (2-4m) of chain and a minimum of 5:1 scope. A minimum of 6 ft (2m) of chain should be used for every 25 ft (8m) of water that you usually anchor in. For storm conditions, we recommend using an anchor one or two sizes larger.
Boat Length | ft | 12'-16' | 17'-22' | 23'-27' | 28'-33' | 34'-41' | 42'-47' | 48'-53' | 54'-62 | 63'-72' |
m | 4-5m | 5-7m | 7-8m | 8-10m | 10-12m | 12-14m | 14-16m | 16-19m | 19-22m | |
Guardian Model | G-5 | G-7 | G-11 | G-16 | G-23 | G-37 | G-55 | G-85 | G-125 | |
Weight | lb (kg) | 2.5 (1.1) | 2.9 (1.3) | 5(2.26) | 7 (3.2) | 13 (5.9) | 18 (8.2) | 29 (13.1) | 42 (19) | 65 (29.3) |
Replaces Steel Anchors | lb | 4-6 | 6-9 | 10-13 | 14-18 | 19-28 | 33-50 | 50-65 | 70-90 | 100-170 |
kg | 2-3 | 3-4 | 5-6 | 6-8 | 9-13 | 15-23 | 23-29 | 32-41 | 45-77 | |
HOLDING POWER | ||||||||||
Working Load | lb | 350 | 575 | 750 | 1,075 | 1,625 | 2,500 | 3,500 | 4,625 | 6,000 |
kg | 159 | 261 | 340 | 488 | 737 | 1,134 | 1,588 | 2,098 | 2,722 | |
Hard Sanding Holding | lb | 1,050 | 1,725 | 2,250 | 3,225 | 4,875 | 7,500 | 10,500 | 13,875 | 18,000 |
kg | 476 | 782 | 1,021 | 1,463 | 2,211 | 3,402 | 4,763 | 6,294 | 8,165 | |
Soft Mud Holding | lb | 210 | 345 | 450 | 645 | 975 | 1,500 | 2,100 | 2,775 | 3,600 |
kg | 95 | 156 | 204 | 293 | 442 | 680 | 953 | 1,259 | 1,633 | |
DIMENSIONS | ||||||||||
"A" Shank Length | in (mm) | 19" (483) | 22" (559) | 25" (635) | 29" (737) | 33" (838) | 38" (965) | 43" (1.092) | 48" (1,219) | 53" (1,356) |
"B" Fluke Length | in (mm) | 11" (279) | 13" (330) | 15" (381) | 17" (432) | 19" (483) | 22" (559) | 25" (635) | 28" (711) | 31" (787) |
"C" Stock Length | in (mm) | 16" (406) | 18" (457) | 20" (508) | 23" (584) | 27" (686) | 31" (787) | 35" (889) | 39" (991) | 43" (1,092) |
SUPPORT HARDWARE | ||||||||||
Proof Coil Chain | in (mm) | 3/16" (5) | 3/16" (5) | 3/16" (5) | 1/4" (6) | 5/16" (8) | 3/8" (9) | 3/8" (9) | 1/2" (13) | 1/2" (13) |
Nylon Rope ** | in (mm) | 3/8" (9) | 3/8" (9) | 3/8" (9) | 3/8" (9) | 1/2" (13) | 5/8" (16) | 3/4" (19) | 7/8" (22) | 1" (25) |
Shackle Size | in (mm) | 3/16" (5) | 3/16" (5) | 1/4" (6) | 1/4" (6) | 5/16" (8) | 3/8" (10) | 7/16" (12) | 1/2" (12) | 5/8" (16) |
NOTE: Hard sand holding power figures above represent loads actually achieved on production Fortress and Guardian anchors under controlled horizontal pull conditions without dragging or resulting in disabling structural deformation.
**Rope recommendations are based on manufacturer’s ratings of 25% of breaking strength. Rope must be in good condition.
For tech questions please email us at techsupport@fortressanchors.com and a Fortress Marine Anchors representative will respond in 24-48 hours.