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 really is approximately suggestions which could basically be picked up from experience—practical how one can make your using more secure, more uncomplicated and higher, regardless of the conditions.
This ebook begins the place so much different books end. you have learnt the $64000 fundamentals of powerboat using, yet now it is time to see the right way to translate those fundamentals into useful dealing with innovations for you to use to offer a greater trip and feature a smoother passage. With the aid of this booklet, readers will choose up specialist counsel such as
50 how you can increase Your Powerboat Driving distils Dag Pike's event received from over 50 years of riding an entire variety of craft from high-speed powerboats and lifeboats to ships. Written through some of the most skilled powerboat...
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Extra info for 50 Ways to Improve Your Powerboat Driving
Again, it’s mainly a question of the weight of components and the boat, but the size and type of propeller also come into the equation. A small propeller will tend to allow faster acceleration than a larger one but there will always be a higher risk of cavitation with the smaller, faster-turning propeller. A propeller with a smaller pitch will allow faster acceleration than a propeller with a larger pitch. In looking at the question of pitch, it’s easy to imagine that the smaller-pitch propeller will get a better 'bite' on the water while one with a larger pitch could start to cavitate initially under acceleration until the boat starts to increase speed to match.
As we saw in Reaction and Response Times, 3, a quick engine response is vital in being able to control the boat in waves and making rapid progress. When considering engine response times, the actual time that it takes for you to make the throttle movement counts, but there is also the time that it takes for the engine and propulsion system to respond to your commands. The type of response you get from the engine will depend a great deal on the type of engines you have. Petrol engines tend to have a quick response while diesels are slower, but response times are related more to the configuration of the engine than the type.
The downside with power steering is that it takes all the feel out of the steering. There is no feedback, so you lose that intimate connection with the boat that can make you more sensitive to what is going on. Probably the main downside to power steering of this type is that the wheel will have only a limited movement from lock to lock, sometimes as little as one full turn, so it takes only a small movement of the wheel to have a significant effect. That is fine when you are manoeuvring in harbour, but out at sea it can lead to excessive steering corrections and that in turn can affect the trim of the boat.