Sizing Guide - Short Tonnes

1 short ton = 2,000 lb

ROCNA OR VULCAN MODEL
  4 6 9 10 12 15 20 25 33 40 55 70 110
Vessel Length     Vulcan only Rocna only Vulcan only             Rocna only Rocna only
13 ft ≤ 2.2 T                        
16 ft ≤ 1.1 T ≤ 5.5 T                      
20 ft ≤ 0.55 T ≤ 3.85 T ≤ 7.7 T                    
23 ft ≤ 0.55 T ≤ 2.2 T ≤ 6.6 T ≤ 7.7 T ≤ 9.9 T                
26 ft   ≤ 1.1 T ≤ 5.5 T ≤ 6.6 T ≤ 8.8 T ≤ 13.2 T              
30 ft   ≤ 0.55 T ≤ 4.4 T ≤ 5.5 T ≤ 7.7 T ≤ 11 T ≤ 17.6 T            
 33 ft     ≤ 3.3 T ≤ 4.4 T ≤ 6.6 T ≤ 9.4 T ≤ 15.4 T ≤ 24.3 T          
36 ft       ≤ 3.3 T ≤ 5.5 T ≤ 7.7 T ≤ 13.2 T ≤ 22.1 T          
39 ft         ≤ 4.4 T ≤ 6.6 T ≤ 11 T ≤ 19.8 T ≤ 33.1 T        
46 ft           ≤ 4.4 T ≤ 6.6 T ≤ 14.3 T ≤ 25.4 T ≤ 44.1 T      
 52 ft             ≤ 3.3 T ≤ 9.9 T ≤ 19.8 T ≤ 35.3 T ≤ 66.1 T    
59 ft               ≤ 5.5 T ≤ 15.4 T ≤ 27.6 T ≤ 55.1 T ≤ 93.7 T  
66 ft                 ≤ 11 T ≤ 19.8 T ≤ 44.1 T ≤ 82.7 T ≤ 181.9 T
72 ft                 ≤ 6.6 T ≤ 13.2 T ≤ 36.4 T ≤ 71.7 T ≤ 165.4 T
79 ft                   ≤ 7.7 T ≤ 27.6 T ≤ 60.6 T ≤ 148.8 T
85 ft                     ≤ 19.8 T ≤ 49.6 T ≤ 132.3 T
92 ft                       ≤ 38.6 T ≤ 115.7 T
98 ft                         Use EN*
 115 ft                         Use EN*
Anchor weight 4 kg 6 kg 9 kg 10 kg 12 kg 15 kg 20 kg 25 kg 33 kg 40 kg 55 kg 70 kg 110 kg
9 lb 13 lb 20 lb 22 lb 27 lb 33 lb 44 lb 55 lb 73 lb 88 lb 121 lb 154 lb 243 lb
Rocna fluke area 71 in² 91 in² - 123 in² - 160 in² 177 in² 219 in² 263 in² 301 in² 357 in² 417 in² 516 in²
Vulcan fluke area 65 in² 87 in² 113 in² - 136 in² 158 in² 192 in² 223 in² 268 in² 305 in² 377 in² - -
Rec. G40 chain 6mm 6mm 7mm 7mm 8mm 8mm 9mm 10mm 10mm 11mm 12mm 14mm 16mm
1/4" 1/4" 1/4" 1/4" 1/4" 5/16" 5/16" 3/8" 3/8" 7/16" 7/16" 1/2" 5/8"