Towing & Ship-Assist · Gear
A 'gog wire' (gob wire or stern chain) is used to:
- ALift the barge
- BHold the towline down and restrict its side-to-side lead to reduce the risk of girting✓ Correct
- CMeasure speed
- DPower the towing winch
Explanation
A gog/gob wire leads from the towline down to a point near the stern, holding the towline lead low and limiting how far it can swing to the side. This keeps the towing point effectively aft and reduces the athwartship moment that causes girting.
Authority: Towing seamanship; gear
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