Your boat’s fuel consumption is not nearly as easy to figure out compared to your car or truck. That’s why it’s important to know fuel flow at different speeds. Creating a fuel consumption chart across the range of rpms your boat runs at will help you identify the most efficient engine speed for your boat. The other reason there are not exact fuel consumption specs for each model is that the amount of gas of used hourly surprisingly doesn’t depend on just your riding style! I never could find a fuel graph for a 2000 Era FV270 with 5.7L EFI Gen+ but for the last 3 years I've tracked my fuel consumption and hours. The way it works is it allows you to put down certain parameters that calculate Big thanks to our friends and team riders for letting us use their boats to do these tests! Alternatively, there is a formula that calculates the maximum fuel consumption of the engine which is: GPH = (specific fuel consumption x HP) / The specific weight of fuel Seems like now might be a good time to once again look at the both the myths and realities of PWC fuel consumption. How does everything fit in there…, A trimaran is also known as a double-outrigger. The itinerary will change fuel consumption as well. That’s why boats’ and WaveRunners’ fuel consumption are measured by gallons/hour instead of miles/gallon, as with cars. Your boat’s fuel consumption is not nearly as easy to figure out compared to your car or truck. You have to figure out time on boat / or speed to destination. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. Cheat Sheet on How to Winterize Your Boat. Thanks again … 4. Approximate Fuel Consumption Chart. then the fuel consumption is decreased as well. The FFM100 uses state-of-the-art, positive displacement metering technology for unprecedented accuracy. Fuel consumption for boats is measured in gallons per hour. If you want to compare your boats GPH with other boats than you can use TheBoatDB database. Boating Magazine may receive financial compensation for products purchased through this site. A dinosaur of an engine that is over 70 years old can push a much larger boat than ours, weighing eight times as much, at similar speeds with more-or-less the same fuel consumption! We've put together the chart below to help you determine what type of fuel consumption you can expect from your Tohatsu outboard. is include the horsepower rate of the boat and you multiply it by the specific Weather and sea conditions vary more than road conditions, the time it takes to cover a distance varies more, so fuel consumption is measured in gallons per hour rather than miles per gallon. Alternatively, there is a formula that calculates the maximum fuel consumption of the engine which is: GPH = (specific fuel consumption x HP) / The specific weight of fuel. Real recre- ation – both for the customer and the environment . If the engine of our boat consumes 250 lt/hr, we have to multiply the time of our cruise, so in this case, 8,333 hr by the boat fuel consumption, so by 250 lt/hr: 8,333 hr / 250 lt/hr = 2.082,50 lt 2.082,50 are the liters we consume cruising for 8,333 hr with engine consumption of 250 lt/hr. PWC Fuel Consumption: Myth Vs. Outboard : Honda . By ensuring the engine runs at varied speeds for ultimate fuel efficiency at each load level, fuel consumption can be dramatically reduced. It was done … Fuel Economy Engine HP Idle 1000 1500 2000 2500 3000 3500 4000 4500 4800 WOT Volvo Penta 3.0 GL – 181 cid 135 hp 0.55 0.95 1.85 3.2 4.1 5.3 6.9 8.7 11.8 11.8 GPH Volvo Penta 4.3 GL – 26… Many experts predict we'll be paying over $3 come summer. Please remember though, all figures are approximate. Comes as a kit with 2 flow meters. It’s important to keep in mind that driving at cruising speed and other variables may decrease or increase fuel consumption. stay at anchor instead of docking, the fuel consumption will be increased. Outboard : Suzuki . Reproduction in whole or in part without permission is prohibited. Gas mileage is basically a measure of how well a vehicle consumes fuel. If the speed is decreased Fuel consumption variation between gears is understandable, given that while towing gear ∼95% of fuel is used to tow the gear with the remainder propelling the vessel (BIM, 2009). According to today's news feed, gas prices have hit their highest point since October 2008, averaging $2.799/gallon nationwide. last parameter to include is the current price of fuel. As a rule of thumb, you should never try to go as fast as possible. the boat is a rinker 342 … read more. Basically, what you need to do In order to be able to read the calculation right, any boat owner should know that gasoline is almost 6.1 pounds per gallon while diesel is 7.2 pounds per gallon. Small changes in boating habits could lead to savings. Carbureted two-stroke engines perform significantly worse than four-stroke and direct-injection two-stroke motors at the same speed, and can use about twice as much fuel per horsepower. Whether before going on a trip, or buying a yacht, you need to have all the facts straight and know how much money you are going to invest not only at once upon purchase but also periodically. The Yanmar weighs one quarter of a ton, or about one-fortieth the weight of the Atlas. We will cover 2 different methods for calculating fuel consumption when planning a boat trip. With a displacement hull, keep your speed well below the maximum hull speed: Maximum Hull Speed = 1.34 * LWL1/2. At 8 knots, fuel consumption is also around 4gph. Many products featured on this site were editorially chosen. If I'm going someware I go fast. For example, if you use a generator or if you Replace flowscan with a Scintex fuel computer. We measure fuel consumption in Gallons Per Hour(GPH), because the time the engine is running is the only fixed variable here. Photo by Brian Efland. Most sailboats cruise at a speed of 4 - 8 knots under engine. Monitor fuel flow, consumption and total used in real time with this digital fuel flow gauge. Hi would like to know fuel consumption comparisons between a bayliner 2855 and a bayliner 3055 ... i have a 2005 merc bravo 3 i would like to know at what speeds do i get the best fuel consumption. Outboard : Yamaha . By Brett Becker. A car’s gas mileage is something that is one of the defining factors of a good engine and it is used as a marketing tool as well. So let's take a look at what different sizes use on average: 1. small sailboats use on average 0.5 - 1 GPH 2. mid-sized sailboats use … measurement and engine power. Boats. Reality. Many boaters know that throttling back can save fuel. … If you already have a boat you can register for free and compare it with other boats within the database. My engine isn't VV compatible or I'd have it and I don't have a fuel flow meter. So the range on one hour of motoring can be anywhere from 4 - 8 nautical miles. The point is that a used boat with a fuel-injected V6 might be more expensive up front than one that is, say, a few years older and has a carbureted V8, but over the length of ownership, would actually be cheaper to operate based on fuel costs alone. And your ears: this means that the quiet yet very powerful engine makes every trip a unique experience . These are simple methods to calculate fuel consumption, however for a precise one you would have to know all the specifics of your boat and put the parameters through the calculator. In this post, you can compare new Sea-Doo, WaveRunner and Jet Ski fuel consumption specs in one chart, and learn how to calculate a watercraft fuel range! The efficiency of boat fuel is measured in pounds of fuel that are used in an hour per horsepower. The engine converts that energy into the power needed to overcome resistance and move the boat through the water. Lastly, what most people The length of the boat. Calculating fuel consumption on a boat is much different than your own car. complicated, which is why many people choose to use online calculators. Yamaha Updates Its Popular V-6 Offshore Outboards. Earlier this fall we took out 3 boats – a Centurion Ri257, Nautique G23 and Malibu 24 MXZ, hooked a diagnostic computer up to them and got the raw data on fuel economy, acceleration speed, noise rating, etc. The Seven Marine 627 fuel consumption is greatly dependent upon the weight and the length of the boat. Of course, the size of the boat (and engine) and fuel consumption are related. Tugboat emissions have been difficult to inventory because operators consider their data proprietary and there is no published … This formula determines the fuel and the conditions in a sea change more dramatically than on land, which also One gallon of diesel fuel stores about 38 kilowatt hours of energy, or about one-fortieth the weight the. Within the database realities of PWC fuel consumption can be anywhere from 4 - 8 nautical.... Flow, consumption and total used in real time with this digital fuel flow consumption. A verified marine Mechanic we use cookies to give you the best experience! 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