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Recommended for 17' - 22' boats.
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.
| The Safer, More Affordable Alternative to Heavy Steel Anchors |
| |
Guardian |
Steel |
| Fortress High-Tech Alloy |
YES |
NO |
| Easy to Manage Weight |
YES |
NO |
| Disassembles for Easy Storage |
YES |
NO |
| Rustproof/Non-Magnetic |
YES |
NO |
| No Welds to Fail |
YES |
NO |
| Replaceable Parts |
YES |
NO |
| 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 [diagram] |
|
|
|
|
|
|
|
|
|
|
| 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 [diagram] |
in |
11" |
13" |
15" |
17" |
19" |
22" |
25" |
28" |
31" |
| mm |
179 |
330 |
381 |
432 |
483 |
559 |
635 |
711 |
787 |
| "C" Stock Length [diagram] |
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.
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