By Dag Pike
This is a publication approximately functional powerboat riding in boats huge and small, working at speeds among 20 and a hundred knots. it really is approximately thoughts that could merely be picked up from experience—practical how one can make your using more secure, more uncomplicated and higher, regardless of the conditions.
This publication begins the place such a lot different books end. you might have learnt the $64000 fundamentals of powerboat using, yet now it is time to see easy methods to translate those fundamentals into functional dealing with innovations so you might use to offer a greater journey and feature a smoother passage. With the aid of this publication, readers will decide up specialist tips such as
50 how you can increase Your Powerboat Driving distils Dag Pike's event won from over 50 years of riding an entire diversity of craft from high-speed powerboats and lifeboats to ships. Written by way of the most skilled powerboat...
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Additional resources for 50 Ways to Improve Your Powerboat Driving
Properly designed steps also allow air to be drawn in under the hull and this can help to lubricate the planing surfaces to make them more efficient. This air lubrication helps to reduce the friction between the hull and the water, which creates considerable friction resistance as speeds get higher. This advantage of steps explains why they have tended to be used only on very high-speed hulls in the past. Air lubrication could affect the performance of the propellers but the air doesn’t create a problem with the surface-piercing propellers normally used on fast boats.
The main reserve that you have to play with is the speed of the boat, so easing back on the speed immediately builds a reserve of performance. The question is how much of a reserve do you need? A lot will depend on the prevailing sea conditions and the response time of the boat but a reduction in speed of 5 knots from the maximum – or, say, 10% less than the flat-out speed for the conditions – would be appropriate to give you a margin of safety against the unexpected. Like most things associated with fast boats, there are no hard and fast rules, but you will know when you are driving on the limit and when you feel that you have a comfortable margin.
Spray on the windscreen, reflections and wide screen pillars can all reduce your vision and these irritations will make it harder to concentrate. An array of navigation and monitoring screens in front of you can be distracting – this can be made worse if you have to do the navigation as well as drive the boat. Badly placed controls, such as the wheel and the throttle, and uncomfortable seating can have an effect on your concentration too. If you are steering the boat by compass, to steer effectively you will need to spend much time focusing on the compass and this can affect your level of concentration on the approaching waves.