Roll stabiliser

Sperry stabiliser

1.fin shaft, 2.fin shaft housing, 3.fin, 4,flap, 5.guiding rail, 6.pantograpMc linkage (of the rigging mechanism) (fin locked in its rigged out position), 7.tilt cylinder mechanism, 8.limit-stop and fin "repeat back" assembly (used to take the pump "off stroke" as the tilt cylinder approaches its limits of travel), 9.link to the hydraulic unit, 10.single-ended cylinder (of the rigging mechanism), 11.crosshead slide, 12.tilt crank arm, 13.bracket,
1.fin shaft,
2.fin shaft housing,
3.fin,
4,flap,
5.guiding rail,
6.pantograpMc linkage (of the rigging mechanism) (fin locked in its rigged out position),
7.tilt cylinder mechanism,
8.limit-stop and fin “repeat back” assembly (used to take the pump “off stroke” as the tilt cylinder approaches its limits of travel),
9.link to the hydraulic unit,
10.single-ended cylinder (of the rigging mechanism),
11.crosshead slide,
12.tilt crank arm,
13.bracket,