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Constellation™ Sheave Assemblies

Lewmar offer an extensive range of open-wire sheave assemblies from 102mm (4") to 254mm (10") diameters in different
confi gurations: upright, fl at, articulated, idlers and conduit to sheave adaptor.

▪ Available in bronze, aluminium and A100 glass reinforced ▪ All open-wire sheave assemblies incorporate wire guides
nylon. to prevent cable jump
▪ High operation efficiency and sensitive steering operation ▪ Idlers are designed to prevent chafing when the cable
– sheaves run on 45mm/1.77" caged roller bearings or straightens into the sheave track.
closed tolerance plain bearings.

Single Articulated Double Upright Double Conduit to Cross Wire
Sheave Sheave Assembly Sheave adaptor Idler

Constellation™ Quadrants
Lewmar offers a range of Alloy 80° and 260° quadrants.

▪ Fabricated from 6082 aluminium alloy
▪ Strong yet flexible, almost impossible to fracture under impact loading
▪ Compact, ideal if transom space is restricted

▪ Attachment point for linear drives on larger quadrants
▪ Quadrants with integral stopping surfaces for use against the rudder
stop
▪ Radial versions supplied pre-drilled for optional bolt on stop block
▪ Generous groove depths and a large guide bend radii, for longevity of
the cable.
▪ 80° quadrants supplied with cable retaining pins to prevent cable jump

80° Alloy High Strength Quadrants 260° Alloy High Strength Quadrants
L1
OPERATING MAXIMUM BORE H1 L1
RADIUS SIZE Ø BOSS HEIGHT OPERATING MAXIMUM BORE H1
      RADIUS SIZE Ø BOSS HEIGHT
. .      
. .
. .
. .
. .
. . Eye bolt tensioner kits
. .
. Eye bolt/cable tensioner are not
.
. supplied with quadrants and must be
.
          ordered separately
         
Eye bolt tensioner kit for
6mm wide cable
L1
L1
H1 H1

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