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Home > Anchor & Docking > Boat Anchors > Fortress Anchors >
Fortress Anchor 21Lb For Boats 46-51', FX-37

Fortress Anchor 21Lb For Boats 46-51', FX-37




Availability: Usually ships the next business day

Brand New with Factory Warranty

Fortress Anchor 21Lb For Boats 46-51', FX-37
c26268List Price: $US 854.99Our Price: $US 699.99

In test after test, from coast to coast and from around the world, no anchor in history has been called “The World’s Best Anchor” by more boaters and respected marine experts than Fortress...and for good reason.

Years of research and development, high-tech materials and manufacturing and thousands of real world tests are your assurance of performance, quality, and value. Fortress weighs only half as much as heavier steel anchors and yet outperforms them all.

Why? Because the Fortress design does not depend upon weight to provide world class performance. All this adds up to your best value in anchoring safety and convenience.

Features and Benefits

 

Feature
Benefit

Precision-machined from an aluminum alloy that is as strong as steel, but only half the weight.
  • Easy to manage weight
  • Rustproof
  • Sharper than heavy, dull-edged steel anchors
  • Will set faster and penetrate deeper into common sea bottoms for incredible holding power
Can be disassembled
  • Excellent as a spare or storm anchor
  • Easy to store
Lifetime Parts Replacement Warranty
  • Free replacement of any damaged anchor part...Forever!*
Adjustable 32° to 45° fluke angle
  • Exclusive and patented feature which dramatically increases holding power in problem soft mud bottoms
Tough anodized finish
  • Handsome and durable appearance
  • Corrision resistant
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.

Exclusively on Fortress...
 
 
FORTRESS SELECTION GUIDE
 
Model
FX-7 FX-11 FX-16 FX-23 FX-37 FX-55 FX-85 FX-125
Boat Length
                 
ft 16'-27' 28'-32' 33'-38' 39'-45' 46'-51' 52'-58' 59'-68' 69'-150'
m 5-8 8-10 10-12 12-14 14-15 16-18 18-21 21-46
Weight
lb 4 7 10 15 21 32 47 69
kg 1.8 3.2 4.5 6.8 9.5 14.4 21.2 31.1
Replaces Steel Anchors
lb 6-9 10-13 14-18 19-28 33-50 50-65 70-90 100-170
kg 3-4 5-6 6-8 9-13 15-23 23-29 32-41 45-77
HOLDING POWER
Model FX-7 FX-11 FX-16 FX-23 FX-37 FX-55 FX-85 FX-125
Working Load
lb 700 900 1.250 2,000 3,000 4,000 5,250 6,750
kg 318 408 567 907 1,351 1,814 2,381 3,062
32 Degree Hard Sand Holding Power lb 2,800 3,600 5,000 8,000 12,000 16,000 21,000 27,000
kg 1,270 1,633 2,268 3,629 5,443 7,258 9,536 12,247
45 Degree Soft Mud Holding Power lb 840 1,080 1,500 2,400 3,600 4,800 6,300 8,100
kg 381 490 680 1,089 1,633 2,177 2,858 3,674
32 Degree Soft Mud Holding Power lb 420 540 750 1,200 1,800 2,400 3,150 4,050
kg 191 245 340 544 816 1,089 1,429 1,837
DIMENSIONS
Model FX-7 FX-11 FX-16 FX-23 FX-37 FX-55 FX-85 FX-125
"A" Shank Length [diagram]
                 
in
24" 27" 31" 36" 40" 46" 51" 56"
mm
610 685 787 914 1,016 1,168 1,295 1,422
"B" Fluke Length [diagram]
in
14" 16" 18" 21" 24" 27" 30" 33"
mm
356 406 457 533 610 686 762 838
"C" Stock Length [diagram]
in
19" 22" 25" 29" 32" 37" 41" 45"
mm
483 559 635 737 813 940 1,041 1,143
SUPPORT HARDWARE
Model
FX-7 FX-11 FX-16 FX-23 FX-37 FX-55 FX-85 FX-125
Proof Coil Chain                  
in 3/16" 1/4" 5/16" 3/8" 3/8" 1/2" 1/2" 1/2"
mm 5 6 8 9 9 13 13 13
Nylon Rope** in 3/8" 3/8" 1/2" 5/8" 3/4" 7/8" 1" 1 1/4"
mm 9 9 13 16 19 22 25 32
Shackle Size in 1/4" 1/4" 5/16" 3/8" 7/16" 1/2" 5/8" 5/8"
mm 6 6 8 10 12 12 16 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.

 

Fortress Anchor Assembly Instructions

 

The following contains instructions for assembling your anchor.
 

Step A

Place the CROWN on a flat surface. Lower wide end of SHANK into Crown opening. (either end of Guardian shank may be used).

Step B

Lower FLUKES into grooves on the sides of the CROWN, as shown.

Step C

Insert STOCK through clip, as shown, and then through 32 degree angle or 45 degree angle hole (Fortress only) in crown.

Step D

Insert stock through second clip.

Step E

Center STOCK using ruler, and tighten nuts and bolts on clips.

Step F

Attach CLIPS with nuts and bolts. Depending on the model, you will either need two wrenches or a wrench and a screwdriver to tighten the nuts and bolts.






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**The price is subject to change at anytime without any notice.  We are not responsible for any typographical errors.  Any products can be cancelled from sale at any time.

** All Products sold here are Brand New unless specified Otherwise and come with Full Manufacturer's Warranty



WarningWARNING: This product can expose you to chemicals including Di-n-hexyl Phthalate (DnHP) which is known to the State of California to cause reproductive harm, and Vinyl Chloride which is known to the State of California to cause cancer. For more information go to P65Warnings.ca.gov. __________________________________________________________________________________________



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