Technical

Unlike rogue waves, tsunamis, when confronted offshore or on the open ocean, do not present a threat to vessels at…

Propeller performance is very much dependent on the propeller shaft RPM at which it operates. There is an optimal propeller…

The tunnel hull design is able to maximise the use of aerodynamic lift and can turn this into a performance…

Even though we don’t have a large choice of what gear ratio our lower unit has, knowing how the gear…

The RYA’s Loretta Spridgeon explains the principles of salvage law and the implications for boaters … Salvage is a voluntary…

Bilge diving and sorting out some odd jobs – Alex Whittaker is living the dream … Once again, I am…

Fortunately, all the complications involved in designing and building a great stepped-hull boat are the boatbuilder’s to solve, not yours.…

Remember that any boat/trailer combination over 750kg must have brakes fitted. While carrying out your checks, be sure to ‘feel’…

… The appeal of PVC tubes is straightforward; their price advantage is spectacular. … PU is the uncontested Arnold Schwarzenegger…

Being a marine surveyor can be a challenging, tough and uncompromising job at times. There is no fixed price for…

No one material or construction technique has the upper hand in all departments; it simply depends on what you as…