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Boat engines take many different forms and they come in different sizes. However Cheap College Jerseys Wholesale , deciding what you want when having a boat built can be difficult, as there are so many options. Which engines and drives are best for the type of boat that you want to build?
Outboard engines have quite a number of positives. They don鈥檛 take up any room on the inside of the boat, and they are basically portable, so you can take them home to service them if you wish. Generally Cheap College Jerseys China , they have a very good power to weight ratio and they can be tilted upwards to remove the drive from the water. Many of them are designed specifically for marine use as opposed to automobile engines which have been adapted, and they are usually cheaper than alternatives.
Outboards come in a wide choice of sizes, so within limits you can use an outboard to power a huge number of different boats. Of course, there comes a point where even the biggest outboard won鈥檛 hack it Cheap College Jerseys , so if you have a 65ft motor boat you will need an inboard. Outboards have also been redesigned over the last few years, so no longer do you have the problems of poor pollution, vibration, and noise that there used to be. You can also keep an outboard on your inboard boat in case the engine breaks down.
Of course Cheap Authentic NCAA Jerseys , as with anything there are some disadvantages of outboard motors, the chief of these being that you can鈥檛 have a full width bathing platform which on a water-sports boat is a serious handicap. The other thing is that on some classes of boat they may not be quite so fuel-efficient. However, for very many purposes the outboard motor wins the day.
If you need an engine for raw power, then an outboard is going to be beaten by an inboard almost every time. Inboard engines can run into the thousands of horsepower and they can be either petrol or diesel powered Cheap NCAA Jerseys Free Shipping , though on larger powered engines diesel is the only choice. Many people would also think that with an inboard engine deep down in the hull you get better weight distribution and a lower centre of gravity, and therefore a better running angle. However, there are many different choices of hull design and it is by no means impossible to design a boat with a different hull and different power system for better weight distribution.
One point to note here is that some boat builders may modify a boat that was designed for inboards to take an outboard, or the other way around Cheap NCAA Jerseys Wholesale , and this could seriously affect the running and handling. This means that it is important that your boat is designed for the power unit that it has, or at the very least that great care has been taken to allow for the change in weight distribution.
With inboard engines there are twin propulsion engines and drives such as the new Volvo forward drive which has the propellers facing forwards and effectively pulling the craft through the water. This is actually ideal for water sports and wakeboarding because the propellers are moved forward a couple of feet under the boat, making it very difficult for a water-skier to fall into the propellers.
Stern drive engines like these all have the engine mounted near the transom and this makes for good handling at speed and fuel efficiency. However, a stern drive with a single propeller may be difficult to steer at very low speeds. Stern drives Cheap NCAA Jerseys China , such as twin propulsion engines and drives, also have a lot of moving parts and tend to require more maintenance than other drives.
Pod drives are a relatively new form of drive and go through the bottom of the keel. They are articulating drives mounted forward of the transom and can spin in their own length and even move the boat sideways. Draft is relatively deep, but fuel efficiency is high.
V drives let the engine be mounted very close to the transom yet still face forward. One big advantage of this is that they don鈥檛 use up any cabin space. These are often used on wake surfing and wakeboarding boats because the weight located aft helps to create a larger wake.
Resource Box: Seaward boats are based at Cowes in the Isle of Wight and produce a range of leisure cruisers from the Seaward 19 Leisure Launch to the Seaward 42 Motor Yacht. They also produce pilot boats from the Seaward Nelson 29 to the Seaward Nelson 42. Seaward 19 has a twin propulsion engines and drives.
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