For halyard and control line deflection on boats to 46' (14m) long. Made of alloy upper and lower cheek plates, U.V. stabilised Acetal sheaves and Grade 316 stainless steel hubs.
All sizes can be stacked to create double versions - M.W.L. of the top sheaves must not exceed 50% of the total block load rating.
| Part # |
Description |
Sheave Diameter |
Max Rope |
Length |
Hole Spacing |
Fasteners |
Max. Working Load* |
Breaking Strength* |
Weight |
| in |
mm |
in |
mm |
in |
mm |
in |
mm |
lb |
kg |
lb |
kg |
oz |
g |
| RF61821 |
Double |
2-3/8 |
60 |
9/16 |
14 |
6-15/32 |
164 |
2-3/4 |
70 |
4 x 8mm (5/16") |
2,200 |
1,000 |
4,410 |
2,000 |
9.6 |
271 |
| RF61831 |
Triple |
2-3/8 |
60 |
9/16 |
14 |
9-7/32 |
234 |
2-3/4 |
70 |
5 x 8mm (5/16") |
2,200 |
1,000 |
4,410 |
2,000 |
13.8 |
392 |
| RF61841 |
Quadruple |
2-3/8 |
60 |
9/16 |
14 |
11-31/32 |
304 |
2-3/4 |
70 |
6 x 8mm (5/16") |
2,200 |
1,000 |
4,410 |
2,000 |
18.0 |
511 |
* - per sheave.
|