Is the bar open?

Article Abstract:

Sand bars immediately outside often obstruct river entrances, particularly small ones. The position and depth over the bar may change slowly over the time or quite suddenly following a flood or storm and is quite risky. The best approach to tricky entrances and river bars is encapsulated in five words 'when in doubt, stay out'.

Safety and security measures, Environmental aspects, Sand bars

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Tech Notes: Sealed for safety

Article Abstract:

The vast majority of modern masts are hollow tubes with numerous openings for halyards and fittings, which can cause flooding in a knockdown. A boat with a sealed mast is less dependable on ballast to prevent a capsize.

Usage, Masts and rigging

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Stubborn shafts: Propellers, prop shafts, and cutless bearings can be the devil to remove. Here are some alternatives to surses and skinned knuckles

Article Abstract:

When performing maintainence involving a propeller, shaft, or bearing, removing all three may be difficult. Strategies for removing the propeller, shaft, or bearing are discussed.

Propellers

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