Simon Jollands

Care of boat batteries

by Simon Jollands | Boat Maintenance, Preparation, Yacht ownership

Boat batteries need to be kept properly charged, which means never allowing the batteries to discharge below 50 per cent of their total charge. As well as the batteries themselves, keeping a boat’s charging systems in good shape will also help to keep batteries...

Sailing at the touch of a button

by Simon Jollands | Boat Handling, Crewing skills, Yacht ownership

As yachts get bigger, the loads on halyards and sheets increase, meaning the strength needed to manage the sails also increases. Every sailor knows that grinding winches can be hard work, especially when sailing short-handed. It is important to keep winches serviced...

Tidal heights and the rule of twelfths

by Simon Jollands | Communications, Crewing skills, Navigation, Preparation

In our previous article we looked at tidal curves and how we can use them to find the time of a specific height of tide. Following on from this we now take a look at how we calculate a height of tide for a specific time. This is not a complex calculation but it helps...

Competent crew skills: arriving and leaving a berth

by Simon Jollands | Crewing skills

Skilled boat handling is needed when entering or leaving harbour. Crew tasks include preparing the mooring lines and fenders before docking and tying the boat safely alongside. The crew also prepare the boat for leaving harbour. In order to help avoid any mishap, they...

Dripless shaft seals

by Simon Jollands | Boat Maintenance, Preparation, Yacht ownership

As their name implies, dripless shaft seals are designed to completely stop water from entering a boat’s hull via the stern tube. There are two main types of dripless seals known as face seals and lip seals which many boat manufacturers now fit to production...