engine size and fuel consumption calculator

When planning your fuel delivery system we recommend first starting with an estimate of the fuel consumption your engine will require. 75% Load. If it were me I would look at average driving habits (50/60kph in town + 100/120 highway) and get average RPMS at these speeds, and actual measured gas consumption per engine size. Manufacturer will give info like fuel consumption figures - have you looked for that info? If you need to magnify the effect, let some air out of the Prius tires and pump some into the BMW's. Guidance online varies from the super generic and unclear to PhD abstracts that are way over my head. I know this is stupid but how does engine size relate to the amount of fuel being burned in one cycle. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. It follows that type A is more efficient than type B using this definition. of cylinder as 2 and stroke length as 150 mm. Fuel efficiency, or fuel economy, can be a tricky concept. To calculate engine size, you can use the formula: To calculate fuel consumption, you need to consider several factors, including: A commonly used formula to estimate fuel consumption is: Fuel flow can be estimated based on engine size, engine efficiency, driving conditions, and other factors. At 65, 30-35mpg for the Golf. Engine fuel consumption is something that is measured through experiments and recorded as a function of speed (RPM) and load (torque). 3) Need to know how far you get with certain RPMs for a certain quantity of gas. Sounds like an interesting project, have fun. Given, no. This is the total number of liters you used for the trip. Then we need that plot, and we need to look at the smallest round shape that is inside all other, larger, round shapes. The Corrado could touch 30 mpg under the same conditions, but only with constant attention to never having fun. Can someone explain why this point is giving me 8.3V? Subtract the current fuel level from the last saved fuel level, that's how much fuel was used. By knowing the amount of power your engine makes or is expected to make and the type of fuel you will be running you can calculateyour engine's required fuel consumption and flow. Connect and share knowledge within a single location that is structured and easy to search. Estimating Diesel Consumption. You can used these BSFC values to calculate the fuel requirementsfor various horsepower levels. Has depleted uranium been considered for radiation shielding in crewed spacecraft beyond LEO? Or only hands write from user the the level of inputed fuel? I have not been a "developer" for decades, but if you have access to the phone API for the GPS data, most of your hard work will be done. Fuel Consumption Calculator To determine the fuel consumption of your Arrow engine and compare the cost of using other fuels, please fill in the input values below and click the "Calculate" button. We are occasionally asked, what fuel flow do I need to support my application? You have each researcher record the efficiency of 2 cars of each type, or, alternatively, the consumption of one and the same car in two different environments (the data available is the same for both), and the results recorded by them look like so: Average above means the arithmetic mean. Interestingly, if you'll notice the term: The best answers are voted up and rise to the top, Not the answer you're looking for? per HP FSW: 6.1 lb. 0.6 gallons per hour) (C) Cost of fuel (I) Time duration at idle So the question boils down to which engine has more friction per cycle, and which car has more weight to carry around. Asking for help, clarification, or responding to other answers. What does that GPH rate mean for my Filter? I read that is impossible to get distance traveled from obd2the only thinks that i can read from it (if my car support it) is the PID 015E = Engine fuel rate (L/h). I present as evidence exhibit A: the comparison between the BMW M3 and the Toyota Prius on the Top Gear test track. Is this plug ok to install an AC condensor? But I think people would like the know their actual L/100 km. Please confirm your calculations with your engineering or electrical team. Livello carburante = Tank level fuel The engine displacement calculator can work backward. It only takes a minute to sign up. The arithmetic average is not invariant to monotonic transformations, so this is an issue when averaging performance of two or more vehicles, or when averaging the performance of a single vehicle in different situations, e.g. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. instantaneous Fuel F = 1 /(14.75 * 6.26) * MAF * t/60 instantaneous, Legenda translations: Save this new fuel level for your next calculations, and store the previous fuel consumed tally if you plan on using it later. I'm italian so i need to understand better what you say using some traslater for technical parts and i will try your suggestion. hbspt.cta._relativeUrls=true;hbspt.cta.load(2368389, '09b67a15-b1f5-4f92-853a-9d4b0821002b', {"useNewLoader":"true","region":"na1"}); Topics: Selling your car? Suppose we're looking for optimum fuel consumption. For example, if you notice that your usually spend $0.15 per mile (15 cents per mile), then if you know you will be travelling for 200 miles, you can calculate the cost of the trip by multiplying 200mi x $0.15 = $30 for a 200 mile trip. How to calculate the force required to lift this deck? Enter your desired engine parameters to figure out your Compression Ratio, Deck Height, Combustion Chamber CC, or Displacement. Note: These gph flow rates may seem high when compared to your daily driver on the highway, but remember these are not averages, these are flow at loaded peak output. Generic Doubly-Linked-Lists C implementation. The resulting fuel economy results were: That's the comparison between a 1.5 liter 4 cylinder vs. a 4 liter V8 and the bigger engine was significantly more efficient. Sand bags and water bottles could also have a role. PTO = power take-off. Next choose a qualityfuel filter to match your line size that uses high flow high filtration media like our. For further information, visit the cylinder volume calculator! Side-by-Side comparison of cars and trucks. In this application the stock line would not be able to flow much more then 60 GPH without significantpressure flow restriction accumulating. If you'd like to cite this online calculator resource and information as provided on the page, you can use the following citation: Georgiev G.Z., "Fuel Consumption Calculator", [online] Available at: https://www.gigacalculator.com/calculators/fuel-consumption-calculator.php URL [Accessed Date: 01 May, 2023]. Understanding that is key for the correct interpretation and comparison of fuel consumption estimates such as those produced by this calculator. And i can read type of fuel, engine coolant temp, rpm and speed. So I thought that in one cycle 1.3L of fuel is burned, but this is not the case so can someone please explain how they are related. Step 2: Input the no. This website is administered by Oak Ridge National Laboratory for the U.S. Department of Energy and the U.S. Environmental Protection Agency. GVWR = gross vehicle weight rating. The 1.3 L number is the volume of the cylinder, not necessarily how much fuel is being burned. The two researchers would come to different conclusions as they are using different metrics! To subscribe to this RSS feed, copy and paste this URL into your RSS reader. highway fuel consumption and city drive consumption could replace Car 1 and Car 2 in the above table and produce the same result. Gas consumption when engine braking [motorcycle], Understanding the probability of measurement w.r.t. Do simple math to get fuel efficiency since last fillup and last app reset (distance / fuel used = MPG, fuel used / distance * 100 = L/100 km), If the user inputs the distance needing to be driven for the entire mechanics.stackexchange.com/q/27882/12030, New blog post from our CEO Prashanth: Community is the future of AI, Improving the copy in the close modal and post notices - 2023 edition, How to arrive to an instantaneous estimation of fuel consumption using OBD2 ELM327 parameters, How can I calculate MPG using an OBD-II Device, Calculate car battery life using OBD parameters, Difference between fuel pressure and fuel rail pressure, Realistc V8 fuel consumption and values displayed on vehicle instruments, Calculating fuel flow rate through obd || sensor not supporting 015E and 0110 commands. GPH = (specific fuel consumption x HP)/Fuel Specific Weight Constants | Gas | Diesel SFC: .50 lb. Fill up your tank with fuel before you start a long trip or the block of time you want to track. What is Wario dropping at the end of Super Mario Land 2 and why? "Mileage" is a generic term that means "distance travelled," it can be in miles or km, depending on the computer. This is the total number of gallons or liters you used for the trip (or the time period). It is important to note that this formula is a simplified version of the idling fuel consumption calculation and may not provide accurate results for all vehicles.The accuracy of the calculation will depend on . I suspect the interface between that core API and your code would be the hardest part. The tools listed on this page are for estimating or educational purposes only. It's possible to do that with the obd2 connected with the phone? To calculate Fuel Consumption for a 400 hp Gas engine with a BSFC of .50 lbs/hp/hr: 400 hp x .50 = 200 lbs/hr To convert this lbs/hr to a more meaningful gallons per hour we use t he conversion rate from lbs to gallons which is 6.25 lbs to 1 gallon of gas 200 lbs/hr / 6.25 lbs/gal = 32 gph And that's it! Can I connect multiple USB 2.0 females to a MEAN WELL 5V 10A power supply? G = gasoline. But the only problem about level fuel is the type. All rights reserved. 360 lbs/hr. It only takes a minute to sign up. At the end of your trip or week, fill up your tank again. Engines & Components . Hybrids, Diesels, and Alternative Fuel Cars, Tips for Hybrids, Plug-in Hybrids, and Electric Vehicles, Plug-in and Fuel Cell Vehicles Purchased in 2023 or After, Pre-Owned Plug-in and Fuel Cell Vehicles Purchased in 2023 or After, Plug-in and Fuel Cell Vehicles Purchased Before 2023. Gal = gallon(s). rev2023.4.21.43403. This is because an engine can run at a specific rpm at no load, half load, full oad, etc. Browse other questions tagged, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. Our filter tests showed that in stock based applications with OE fittings and. We answer the common and not so common questions that come up in our daily work as a designer and manufacturer of engine oiling and cooling solutions. Remember, if you arerunning E85 or Methanol be sure to use those BSFC values in your formula as well as the appropriate lb/gal conversion value for your chosen fuel.. To calculate peak fuel consumption for an 800 hp E-85 engine we can use a BSFC of .70 and a lb/gal of 6.59. The best answers are voted up and rise to the top, Not the answer you're looking for? In our testing this filter in isolation flows close to 100 GPH with around 1/2 psi resistance. How are you planning to address this? Find and Compare Cars Topped up battery to start?) Therefore, engine displacement can also be referred to as: Engine displacement = No. Answers to frequently asked questions about octane. km/l (kilometers per liter) or Sorry can you explain what is MPG? The car example uses as a basis one from Hand D. (1994) "Deconstructing Statistical Questions", Journal of the Royal Statistical Society, Series A, Vol.157-3:317-356. 2) Need to be able to estimate gas used at certain RPM. Learn more about Stack Overflow the company, and our products. Then determine the line size and pump to support that flow. INSTRUCTIONS:Choose units and enter the following: (R) Fuel consumption rate at idle (e.g. This way you will only need to multiply your horsepower by that figure to arriveat your GPH rate, without the need for converting from lbs to gallons after. 100% Load. https://www.calculatorsoup.com - Online Calculators. You can add, edit, and remove vehicles at any time. Yes they are similar but for me not the sameanyway can be helpfull for some steps of my question, Here is an offhand comment that is not a specific answer, however: If you have a phone that speaks "bluetooth" to an OBD adapter, it most certainly has a GPS capability. Here is an explanation why: if you were to take both cars of type A and want to cover 100 kilometers with each of them, you would need not 200 / 2.5 = 80 liters, but 125 liters of petrol (100 liters for the first car and 25 liters for the second). For example, a 1,000cc engine can hold one litre of air-fuel mixture and would be . I have this weird misconception that the engine size is related to the amount of fuel being burned in one cycle(4-stroke engine). A narrowband O2 sensor tells the ECU if it is over or under stoichiometric mixing and it will adjust instantly. "Signpost" puzzle from Tatham's collection, There exists an element in a group whose order is at most the number of conjugacy classes. We can help you calculate and track your fuel economy. People used to use cubic centimetres for engine size, but "litres" is easier to say and the number is the same anyway (albeit with a decimal in a different spot). Record the number of gallons or liters required to fill the tank once again. Calculator Use. The more pistons you have (V6 vs. I4) the more friction you will have. If you hold down the accelerator, the gas use calc will increase and the estimated travel. fitting and line size was the determining factor for flow. :). Trip Distance. For example, a typical Formula One race car engine is of 1600 cc or 1.6 L capacity. MPG stands for miles per gallon and, as this name suggests, it's the number of miles that a car can cover on a gallon of fuel. With the space travel calculator, you can plan your journey to another star system or even another galaxy. Why did DOS-based Windows require HIMEM.SYS to boot? Record the number of liters required to fill the tank. Calculate the capacity of a 4 cylinder engine having bore diameter 50 mm and stroke length of 250 mm in cubic inches. Check out 22 similar machines and mechanisms calculators . The car knows how much fuel is left in the tank, that's what the fuel gauge is for, and many (but not all) vehicles relay this info through the OBD2 connector. The engine size and fuel consumption calculator works by using the following formula: The bore, stroke, and number of cylinders are inputs provided by the user and are used to calculate the engine size. The following outline is generally applicable to both calculations. The friction is measured in FMEP (friction mean effective pressure) which gives you the pressure required in the pistons to keep the engine spinning at a constant rate. Below is the Formula to Estimate Maximum Engine Fuel Consumption. The formula for calculating fuel consumption used in this online fuel consumption calculator is: Fuel consumption = Fuel used / Distance travelled. Note that the #of camshafts, #of valves and #of journal bearings also affect friction. Use this form to help you figure out your engine specs. running E85 or Methanol be sure to use those BSFC values in your formula as well as the appropriate lb/gal conversion value for your chosen fuel.. To calculate peak fuel consumption for an 800 hp E-85 engine we can use a BSFC of .70 and a lb/gal of 6.59. Step 1: Identify the number of cylinders and input the appropriate value as N = 4. Use this fuel calculator to easily calculate the fuel consumption of a vehicle: car, bus, truck, etc. D = ((4 * V) / (N * * L)) = ((4 * 200000) / (2 * * 150)) = 23.15 mm. Toyota Land Cruiser Prado, the King of the road! city or highway driving). 440 lbs/hr. What does cc mean in an engine What is cc in an engine nomenclature? fuel consumption in l/100km (liters per 100 kilometers). And from obd2 i can't read mileage (for me km percurred)only the on board car computer can manage Km (distance). or i'm wrong? Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Engineering Stack Exchange is a question and answer site for professionals and students of engineering. mpg or your km/l yourself. And the axes of the plot are speed and load. In short, if you're trying to compare efficiency between two engines, size is not the deciding factor. is your source for information and insight on the world of engine oil and cooling systems. people talk online about "gallons" but not whether it's "US Liquid Gallon" or "Imperial"). Said another way, we know for each horsepower our gas engine creates we will need .50 lbs of fuel per hour. trip, your app can calculate the amount of fuel needed (at the start For instance, let us determine the diameter of a cylinder for a 2-cylinder engine having a displacement of 200 cc with a stroke length of 150 mm. The above is an illustration of why when using our fuel consumption calculator, as well as other such tools, it is important to keep track of the end goal and define the question at hand precisely, before measuring and making conclusions. of cylinder as 2 and stroke length as 150 mm. But i'm developing an application that read information with phone via the OBD2 port. Now you have an approximatepeak gph fuel requirement for your engine that can guide you in choosing your fuel system components. To start the calculations for fuel consumption we use theBSFC (Brake-Specific Fuel Consumption)for the fuel being used. The cc in an engine refers to the engine displacement in cubic centimeters. Km percorribili = km that the car can percur with the remaining fuel. Scroll down and read through our guide to understand better. Larger engines generally produce more power, but may also be less fuel efficient than smaller engines. How read/calculate the amount of consumed fuel estimated for a travel? Expressedas a formula it looks like this: Given Horsepower x .50 lb fuel/hp = lbs of fuel for given horsepower. About fuel level, yes you can see the % of fuel with PID 015E if i'm right. We can help you advertise its mpg. Clarkson was and is an entertainer. Is the Prius running on battery? By inputting the bore (diameter of the cylinder), stroke (distance traveled by the piston), and the number of cylinders, the engine size calculator can accurately determine the engine displacement. These calculations are essential for determining the efficiency of an engine and can help in making informed decisions when purchasing a vehicle or managing fuel costs. Step 2: Input the no. Regarding the small differences in the numbers between the methods, that is a result in rounding differences. Again we calculate Fuel Consumption for a 400 hp Gas engine. Find EPA fuel economy estimates based on vehicle model or class. Engine size is the most important fact in determining the power and performance of a vehicle. It is called Break Specific Fuel Consumption (BSFC) and it may be written in grams per kilowatt-hours of work done by the engine. How to use the fuel efficiency calculator? This may be helpful for expense, tax deductions or lease-related calculations; in some situations you will be given or allowed a cost per unit mile or kilometerto cover the expense of using a vehicle. At 18:1 you likely to get lots of NOx emssions and it 12:1 you get lots of unburned gas and other pollutants (see. Motor Vehicle Maintenance & Repair Stack Exchange is a question and answer site for mechanics and DIY enthusiast owners of cars, trucks, and motorcycles. Engine size is also called engine displacement and it is the total displacement of an engine, which is the volume of air/fuel mixture an engine can draw in during one complete engine cycle. Just ask the user what the fuel tank size is when they create a profile. When you calculate liters per 100 kilometers (l/100km) you are calculating volume per 100 units of distance. Most people would argue that when we care about how much fuel we would need to cover a given distance. Engine Calculator. I don't mind down votes, just giving my opinion. Even with the hypothetical 20 MPH, it becomes a question of apples vs. oranges. of cylinders, N = 2; stroke length, L = 150 mm; and engine displacement, V = 200 cc. Calculation (Litres used X 100) km travelled = Litres per 100km. As others have implied, this mitigates all the "tire pressure/driving style/coasting/parked running" details and becomes a simple question of * calculated GPS distance/fuel % delta*. Engine aspiration, {Turbocharged, Supercharged, and Naturally Aspirated engines have different BSFC's (see Glossary of Terms for definitions)} The size of the engine was insufficient to say "big = bad, small = good." So was giving my answer from perspective of developer to developer. In short, the Prius was driven at its top (not very high) speed and the M3 remained right behind it for ten laps. To calculate engine size, you can use the formula: For example, if an engine has a bore of 3.5 inches, a stroke of 4 inches, and 8 cylinders, you can calculate the displacement as follows: This formula can be used to determine the engine size or displacement of any internal combustion engine, regardless of whether it is a gasoline or diesel engine. Can I connect multiple USB 2.0 females to a MEAN WELL 5V 10A power supply? You want to be sure that your componentscan delivererthe fuel needed to supply your thirsty engine. Looking for job perks? Cite this content, page or calculator as: Furey, Edward "Gas Mileage Calculator" at https://www.calculatorsoup.com/calculators/tools/gas-mileage-calculator.php from CalculatorSoup, Sources ANL 1: Stutenberg, K., and Lohse-Busch, H. "APRF [Advanced Powertrain Research Facility at Argonne National Laboratory] Conventional Vehicles Snapshot Study." This website is administered by Oak Ridge National Laboratory for the U.S. DOE and the U.S. EPA. The US engineer will see that for type A the average is 2.5 while for type B it is just 2.0, concluding that type A is more efficient than type B as it can cover a greater distance with a liter of diesel, petrol, gas, etc. as an example lets see how the filter fitting size and line size relates to flow. You must have read about a 2 liter engine or a 100 cc motorcycle. If you will be doing this calculation often, you can make it even easierby converting the BSFC you preferfor your fuel from the normal lbs/hp/hr unit of measure to a gal/hp/hr measure. Thanks @saeed, the explanation of BSFC was very useful too. Imp (miles per Imperial gallon), in.). On whose turn does the fright from a terror dive end? Enter the price per gallon. If it were me I would look at average driving habits (50/60kph in town + 100/120 highway) and get average RPMS at these speeds, and actual measured gas consumption per engine size. Equivalent fuel economy/efficiency ratings are converted and shown for all units, MathJax reference. If you can somehow get an indicative figure of the air-fuel ratio then you can calculate fuel consumption from there but I'm not sure you can find that. Has depleted uranium been considered for radiation shielding in crewed spacecraft beyond LEO? BSFC .50 / 6.25 = .0800 gallons / horsepower / hour. Ever wondered what does cc or cubic inch written alongside an engine means or how to find cc of an engine? miles kilometers (km) Fuel Efficiency. Compare to a Vittese with a straight 6 of larger displacement, they're going to be comfortable at two different speeds. Fuel is an additive to the air, not the other way around. The following formula is used to calculate fuel consumption in litres / 100kms, the most commonly used measure of fuel consumption. For example a Triumph Herald with inline 4 cylinder, 949 cc motor, versus the same car with an 1149 cc motor. Fuel consumption is calculated by dividing the amount of fuel used during a certain distance traveled by the distance traveled. Then determine the line size and pump to support that flow. The way it works, the bigger the engine size, the more space there is for fuel and air inside. Anyways I am see this a number of separate needs: 1) tank size and engine size, you need to basically be able to estimate used per stroke and how many strokes you have in the tank. All other things being equal- same car body shape, mass, road, tires, cylinders, strokes, fuel/air system and ignition etc, a larger engine operating at middling RPM and power will require slightly more fuel to overcome friction than a smaller engine also comfortably operating at middling rpm and power. So basically, you could fit 1.3 Liters of fluid in the cylinder. The hot car calculator shows how fast a car's interior heats up during a summer day. So the question boils down to which engine has more friction per cycle, and which car has more weight to carry around. 800 hp x .70 = 560 lbs/hr 560lbs/hr/ 6.59 lbs/gal = 84.98 gph, BSFC .70 / 6.59 = .106 gallons / horsepower / hour. If you want to convert MPG as measured in US gallons into KMPL, the following equations are used: MPG = 2.352145836 KMPL KMPL = 0.425143707 MPG Follow the steps below to know how to find engine displacement using our ingenious engine displacement calculator: Step 1: Count the number of cylinders for the engine, N. Step 4: The engine size calculator will return the engine displacement value in cubic centimeters (cc) or cubic inches (cu. See our full terms of service. To calculate engine size, you can use the formula: Engine Size= Math.PI / 4 * bore * bore * stroke * cylinders reffers to engine displacment Where: bore is the diameter of the cylinder in inches (or millimeters) stroke is the distance traveled by the piston in inches (or millimeters) cylinders is the number of cylinders in the engine I had gone through the manual on the boat - which didn't have the fuel consumption data; but after posting this I eventually found some sales info online which did have it, for different RPM. Product Tech. Enter the average amount of fuel used per unit of distance travelled. Does the 500-table limit still apply to the latest version of Cassandra? The Canton Blogis your source for information and insight on the world of engine oil and cooling systems. How do rollercoaster designers calculate the ideal curve? The calculator allows for easy and accurate calculation of engine size and fuel consumption in liters and liters per 100 km. Engine fuel consumption is something that is measured through experiments and recorded as a function of speed (RPM) and load (torque). A BMW throbbing along at a similar speed, driven perhaps not so hard because it would go faster or slower given the same inputs, will produce a happier MPG. There are more things affecting fuel efficiency than the OBD2 connector can tell you about. 800 0.55. How to combine several legends in one frame? MPG = distance (km) x average gas consumption (litres) / 100 km However, it's much easier to use the MPG calculator. How can I control PNP and NPN transistors together from one pin? (No, I didn't download you, but pretty sure this is the reason you were.). Does a password policy with a restriction of repeated characters increase security? = price per mile. The long length and twist and turns in the fuel line mean resistanceto flow is much greater. The above BSFC number tell us that our gasoline engine requires .50 lb of fuel per horsepower per hour. The only think that is supported to all car is the speed car and with this i can use some inverse formula and get distance traveled.

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