Various winches for different purposes are installed on the observation
deck and in the winch room. Some of them are removable, and stored
on board untill required. |
 Piston
corer winch and Large CTD winch
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Piston corer winch
This winch, in combination with the No. 1 traction winch
and the swell compensator, is used for the operation of piston
corer samplers to take core samples.
- Applicable cable : Parallel wire rope,
17mm dia. x 12,000m,
Breaking force more than 237 kN
- Pull capacity : 10 kN (1st layer), 6 kN (30th layer)
- Line speed (pull/out) : 0-90m/min.
Large CTD winch
This winch, in combination with the No. 3 traction winch
and the swell compensator, is used for the operation of the
A-frame crane for CTD water sampling and observation with
greaseless coax. cables.
- Applicable cable : Coax. cable,
17mm dia. x 9,500m,
Breaking force more than 147 kN
- Pull capacity : 10 kN (1st layer), 7 kN (26th layer)
- Line speed (pull/out) : 0-90m/min.
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Piston corer winch(behind)
and Large CTD winch (front) |
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6,000m
class winch
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This winch, in combination
with the No. 2 traction winch and the swell compensator, is
used for the measuring instruments with greaseless electro-optical
composite cables.
- Applicable cable : Electro-optical composite
cable,
17mm dia. x 8,000m,
Breaking force more than 147 kN
- Pull capacity : 10 kN (1st layer), 7 kN (25th layer)
- Line speed (pull/out) : 0-90m/min.
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| 6,000m class winch |
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Traction
winch
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Traction winches
are used in combination with large size observation winches.
Each of these is assigned to a piston corer winch, a large
CTD winch, and a 6,000m class winch.
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| Traction winch |
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Proton
winch
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This winch is exclusively used
for towing the sensor of the Proton magnetometer.
- Applicable cable : Kevlar reinforced
rope,
16.5mm dia. x 600m,
Breaking force more than 58 kN
- Pull capacity x line speed: 7.1 kN x 0-45.6m/min (1st layer)
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| Proton winch |
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Clean
water sampling winch
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This winch is used for the
light-work like clean water sampling by go-flow water samplers,
plankton nets, and memory CTD.
- Applicable rope : Kevlar rope,
6mm dia. x 2,000m,
Tensile strength more than 11.8 kN
- Pull capacity x line speed: 8.8 kN x 0-54m/min (1st layer),
4.9 kN x 0-90m/min. (outer layer)
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| Clean water sampling winch |
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CTD
crane winch system
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This system, consisted by
a crane with a heave compensator, a traction winch and a storage
winch, is used for the observation of CTD water sampler, clean
water samplers and plankton nets. Greaseless coax. cable is
used as followa:.
- Applicable cable : Coax. cable,
9.53mm dia. x 10,000m,
Breaking force more than 64.7 kN
- Pull capacity : 44 kN
- Line speed (pull/out): 0-90m/min.
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| CTD crane winch system |
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