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283
SHEAVE
DIAM.
MAX.
ROPE LENGTH
HOLE
SPACING
M.W.L.
(per sheave)
B.L.
(per sheave)
WEIGHT
SHEAVE
DIAM.
MAX.
ROPE LENGTH
HOLE
SPACING
M.W.L.
(per sheave)
B.L.
(per sheave)
WEIGHT
PRODUCT No.
DESCRIPTION
mm mm mm mm kg
kg
g
in.
in.
in.
in.
lb
lb
oz
All Purpose
RF41811
Cheek block, aluminium cheeks
40
12
67
-
400 1000 65 1 9/16 1/2 2 5/8
-
880 2200 2.3
RF41821
Double sheave organiser
40
12 116
48.5
500 1000 101 1 5/8 1/2 4 9/16 1 29/32 1100 2200 3.6
RF41831
Triple sheave organiser
40
12 164
48.5
500 1000 142 1 5/8 1/2 6 15/32 1 29/32 1100 2200 5.0
RF41841
Quadruple sheave organiser
40
12 213
48.5
500 1000 185 1 5/8 1/2 8 13/32 1 29/32 1100 2200 6.5
RF51151
Cheek block
50
12
75
-
500 1000 85
2
1/2 2 15/16
-
1100 2200 3.0
RF61821
Double sheave organiser
60
14 164
70.0 1000 2000 271 2 3/8 9/16 6 15/32 2 3/4 2200 4410 9.6
RF61831
Triple sheave organiser
60
14 234
70.0 1000 2000 392 2 3/8 9/16 9 7/32 2 3/4 2200 4410 13.8
RF61841
Quadruple sheave organiser
60
14 304
70.0 1000 2000 511 2 3/8 9/16 11 31/32 2 3/4 2200 4410 18.0
Accessories
RF51153
Curved surface adapter for RF51151
-
-
-
-
-
-
14
-
-
-
-
-
-
0.5
Deck organisers are an effective means of deflecting halyards and control lines
to winches, stoppers and cleats.
All-purpose bearing system provides maximum static load capacity.
Light weight design with check cut-outs for easy bearing maintenance.
Through-hub mounting for maximum strength.
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.
Series 40 - halyard and control line deflection on boats to 11m (36ft).
Series 60 - halyard and control line deflection on boats to 14m (46ft).
Line deflection on larger yachts (depending on load and angle of deflection).
Alloy upper and lower cheek plates.
U.V. stabilised Acetal sheaves.
Grade 316 stainless steel hubs.
RF41841
6 x 6mm (1/4”)
RF41831
5 x 6mm (1/4”)
RF41821
4 x 6mm (1/4”)
RF61821
4 x 8mm (5/16”)
RF61831
5 x 8mm (5/16”)
RF61841
6 x 8mm (5/16”)
Deck Organisers
ALL PURPOSE BLOCKS
RF41811
3 x 6mm (1/4 ”)
RF51153
RF51151
3 x 6mm (1/4”)
