By Dag Pike
This is a publication approximately sensible powerboat using in boats huge and small, working at speeds among 20 and a hundred knots. it truly is approximately innovations which may merely be picked up from experience—practical how one can make your using more secure, more uncomplicated and higher, regardless of the conditions.
This booklet begins the place so much different books end. you've learnt the $64000 fundamentals of powerboat riding, yet now it is time to see the best way to translate those fundamentals into functional dealing with recommendations that you should use to provide a greater journey and feature a smoother passage. With assistance from this booklet, readers will choose up specialist advice such as
50 how you can enhance Your Powerboat Driving distils Dag Pike's adventure won from over 50 years of using a complete variety of craft from high-speed powerboats and lifeboats to ships. Written by way of probably the most skilled powerboat...
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Additional resources for 50 Ways to Improve Your Powerboat Driving
The deeper the vee, the smoother the ride. A well-cushioned ride will insulate you from wave impact to a considerable degree. However, it’s not quite that simple. You could have a deadrise angle of, say, 20 degrees or more that would work well as a cushion – but it would also require more power to achieve the same speed. The most efficient planing surface is a flat plank where the water flowing past generates the maximum lift. You need this lift to get as much of the hull out of the water as possible to reduce the frictional resistance.
Again skill and experience have their part to play here, but the positioning of the controls and their ready availability for action are also important. To get the best performance from any type of powerboat you should assess what its response time is likely to be, particularly the time lag between engine commands and engine and propulsion response, because this can have a significant impact on the way you drive the boat. These factors will be discussed in later sections of the book. 4 CONCENTRATION The sea presents a constantly varying scenario with the conditions changing from minute to minute.
You can clean a propeller and restore the edges with a file or by grinding. Even with experts there is a degree of trial and error involved in choosing the right prop. In many cases, the diameter of the propeller is controlled by the size of the propeller aperture, so the only remaining factor within your control is the pitch of the blades. The pitch is the distance the propeller will move forward in one revolution. To check whether the pitch is approximately correct, run the engine at its maximum rpm in calm water.
50 Ways to Improve Your Powerboat Driving by Dag Pike