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Guardian Anchors



Benefiting from years of Fortress Anchor Research and Development, Guardian offers excellent quality, performance and economy. Guardian is 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 has resulted in a very affordable alternative to those heavy, rust-prone steel anchors.

Anchor Selection & Specifications 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 rope, 6-12 ft (2-4 m) of chain and a minimum of 5:1 scope. Also, a minimum of 6 ft (2 m) of chain should be used for every 25 ft (8 m) of water depth. For storm conditions use an anchor one or two sizes larger.

Model G-5 G-7 G-11 G-16 G-23 G-37 G-55 G-85 G-125
Boat Length
                   
ft 12'-16' 17'-22' 23'-27' 28'-33' 34'-41' 42'-47' 48'-53' 54'-62' 63'-72
m 4-5 5-7 7-8 8-10 10-12 12-14 14-16 16-19 19-22
Weight
lb 2 1/2 4 6 7 13 18 29 42 65
kg 1.1 1.8 2.7 3.2 5.9 8.1 13.1 19 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
Model G-5 G-7 G-11 G-16 G-23 G-37 G-55 G-85 G-125
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
32░ Hard Sand Holding Power lb 1,050 1,725 2,250 3,225 4,875 7,500 10,500 13,875 18,000
kg 476 782 1,021 1,462 2,211 3,402 4,763 6,294 8,165
32░ Soft Mud Holding Power 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
Model G-5 G-7 G-11 G-16 G-23 G-37 G-55 G-85 G-125
"A" Shank Length                    
in 19" 22" 25" 29" 33" 38" 43" 48" 53"
mm 483 559 635 737 838 965 1,092 1,219 1,346
"B" Fluke Length in 11" 13" 15" 17" 19" 22" 25" 28" 31"
mm 179 330 381 432 483 559 635 711 787
"C" Stock Length in 16" 18" 20" 23" 27" 31" 35" 39" 43"
mm 406 457 508 584 686 787 889 991 1,092
SUPPORT HARDWARE
Model G-5 G-7 G-11 G-16 G-23 G-37 G-55 G-85 G-125
Proof Coil Chain                    
in 3/16" 3/16" 3/16" 1/4" 5/16" 3/8" 3/8" 1/2" 1/2"
mm 5 5 5 6 8 9 9 13 13
Nylon Rope** in 3/8" 3/8" 3/8" 3/8" 1/2" 5/8" 3/4" 7/8" 1"
mm 9 9 9 9 13 16 19 22 25
Shackle Size in 3/16" 3/16" 1/4" 1/4" 5/16" 3/8" 7/16" 1/2" 5/8"
mm 5 5 6 6 8 10 12 12 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 25% of breaking strength. Rope must be in good condition.

Item # Description Price Order
FTSG5 Guardian Anchor Boats 12-16'
$55.99
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FTSG7 Guardian Anchor Boats 17-22'
$69.99
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FTSG11 Guardian Anchor Boats 23-27'
$89.99
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FTSG16 Guardian Anchor Boats 28-33'
$131.99
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FTSG23 Guardian Anchor Boats 34-41'
$198.99
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FTSG37 Guardian Anchor Boats 42-47'
$307.99
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Guardian Anchors - Anchors