anchor sets very reliably, holding power per
pound of anchor weight seems to be only
average to good in many experiments.
The original Bruce Anchor Group no
longer manufactures or supplies the stan-
dard Bruce anchor. This company now spe-
cializes in providing large anchors and an-
chor systems to the offshore-oil industry
and other commercial operations, and they
fabricate anchors that look quite unusualand rather industrial. What is traditionally
known as the Bruce anchor is available from
Imtra Corporation, and the Claw anchor is
available from Lewmar. Assorted variants
from other companies are available, too.
NORTHILL ANCHOR To my knowledge, the
Northill anchor is no longer being manufac-
tured. It, too, was one of the original lightweightPART SEVEN: ANCHORING SYSTEMS
Figure 22-13.
CQR anchor
proportions
(Courtesy
Simpson-
Lawrence)
TABLE 22-5. DELTA ANCHOR DIMENSIONS (USE WITH FIGURE 22-14)
ENGLISH UNITS—Dimensions,inches METRIC UNITS—Dimensions, millimeters
Size Size
Weight, lb. A B C D E Weight, kg A B C D E
Galvanized
9201 / 4 9 5 / 16 151 / 4 81 / 4 4 514 229 8 387 210
14 233 / 8 103 / 8 3 / 8 175 / 8 91 / 2 6 594 264 10 448 241
22 273 / 8 121 / 4 1 / 2 205 / 8 111 / 8 10 695 311 13 524 283
35 32 141 / 4 1 / 2 241 / 8 13 16 813 362 13 613 330
44 341 / 2 153 / 8 5 / 8 261 / 8 14 20 876 391 16 664 356
55 371 / 4 163 / 8 5 / 8 28 151 / 4 25 946 416 16 711 387
88 431 / 2 191 / 4 3 / 4 323 / 4 171 / 4 40 1,105 489 19 832 438
110 461 / 4 201 / 2 3 / 4 35 187 / 8 50 1,175 521 19 889 479
Stainless Steel
14 233 / 8 103 / 8 3 / 8 175 / 8 91 / 2 6 594 264 10 448 241
22 273 / 8 121 / 4 1 / 2 205 / 8 111 / 8 10 695 311 13 524 283
35 32 141 / 4 1 / 2 241 / 8 13 16 813 362 13 613 330
44 341 / 2 153 / 8 5 / 8 261 / 8 14 20 876 391 16 664 356
55 371 / 4 163 / 8 5 / 8 28 151 / 4 25 946 416 16 711 387
88 431 / 2 191 / 4 3 / 4 323 / 4 171 / 4 40 1,105 489 19 832 438
110 461 / 4 201 / 2 3 / 4 35 187 / 8 50 1,175 521 19 889 479
140 50 22^3 / 8 7 / 8 38 20 64 1,270 568 22 965 508Figure 22-14. Delta anchor proportions