Engine calculator this form is designed to help you figure out engine specs for all engine types not just vw to determine the deck height required for a 2007cc engine with a compression ratio of 8. This calculator will help you estimate the potential of an engine. This coefficient kh is called the horn coefficient, with typical values between one and two. Predicted frequency rpm predicted power out w predicted. Enter the measurement designation in either inches, 1, or millimeters, 2. Net horsepower was attained from engine dynos with the accessories, oe air cleaner, and factory exhaust system present on the test. Gasket thickness in inches add plus or minus amount piston is in the hole gasket thickness in mm add plus or minus amount piston is in the hole. Intelligent, userfriendly solutions to the neverending realm of whatif scenarios. Engine displacement is the measure of the cylinder volume displaced by all of the pistons of a piston engine, excluding the combustion chambers.
Then click the calculate button to display the answers. Virtual engine calculator comes with the ability to teach itself about your vehicle thru the unique calibration process. What does cc or litre mean when describing the power of an. If you are a teacher using this in or for your class, please message me, id love to know if it was effective. Estimating twostroke horsepower richdubbya automotive 27 may 05 10. It tells you how much air can be pumped through the engine. Engine size displacement, borestroke ratio, and rodstroke ratio calculator. Stan weiss automotive performance software interactive. Output lists in cubic inch displacement, liters, and cc. Just complete your engine setup, click calculate, and youre on your way to maximum. The cubic centimeter represents the volume within a 1cm x 1cm x 1cm cube shaped space. The unit options are cubic centimeter, cubic inch and liters. This figure represents your engine s horsepower in cubic centimeters. Small values of kh are best suited to grand prix engines with narrow power bands, larger.
Engine displacement can be listed in cubic inches c. Piston dome in cc s dome positive, flat 0, dished negative number piston dome in cc s. This returned value for volume should be measured with the piston at top dead center, with all valves. This calculator determines the displacement size of an engine, based on your data, in cubic inches and ccs. Click convert and the calculator will convert the number to the other two volume units.
We have consolidated some of our most helpful calculators into a single. This calculator provides calculations for engine displacement based on either the metric or us standard system. Engine displacement is determined by calculating the engine cylinder bore area multiplied by the stroke of the crankshaft and then multiplied by the number of cylinders. Compression ratio calculator engine compression calculator. It was developed to allow the user to fully optimize the selection of engine components and engine settings for the ultimate engine build. Enter the bore and stroke of the engine, the number of cylinders and select the measurement system the values are entered in. It means the displacement of the piston inside the cylinder from top dead. Compression ratio calculator pro adds several more feature to make this the go to software for professional engine builders. Engine building software engine builder professional. Calculate engines compression ratio cr speedmaster.
Engine displacement calculator in litres, cc and cubic inch. Simple but powerful engine calculator with unit conversion. Javascript calculators designed for the auto enthusiast. Small engine hp to cc calculator instructions enter four cycle engine rated hp. Enter your desired engine parameters to figure out your compression ratio, deck height, combustion chamber cc, or displacement. Easy to use formulas for the professional or novice will show you how engine changes like compression ratio and air fuel mixture effect your engine s power and torque outputs.
Divide the result by and round up to the nearest number to calculate the engine s total displacement. This calculator is designed to show the different compression ratios for different. How to convert engine horsepower to cc it still runs. For this reason, displacement is one of the measures used in advertising and regulating motor vehicles. This calculator determines the displacement size of an engine, based on your data. How to properly spray paint valve covers and engine parts duration. Virtual engine calculator free download and software. Program last updated december 18, 1996 page updated 22002. Cc will vary somewhat due to compression differences and engine physical construction. To make that math easier, we have a section of calculators that do the hard part for you. Drag racing calculators, calculators to find 14 mile et and mph, cid,piston speed,gear ratio,carburetor size,margin of victory, engine calculator, calculates relative horsepower, air density, density altitude, virtual temperature, actual air pressure, vapor pressure and dyno correction factor and more.
It is the unit of measuring the volume of a cube having size 1cm x 1cm x 1cm. The value will be returned in cr, compression ratio from all input values excluding total volume. Cid engine displacement, size or volume cubic inches. Calculators by symmetry cbs are custom paycheck calculators for any grosstonet calculation need. The number you obtain from this conversion is a measurement of your engine s volume or size at its peak output. This compression ratio calculator can be used to work out the compression ratio of your engine. Engine builder professional is an easy to use engine building software tool for 8, 6, 4, 10 and 12 cylinder engines. Interactive javascript to calculate engine size in cubic inches and ccs. Free engine piston compression ratio calculator and engine size calculator. Calculates the displacement for an internal combustion engine cubic centimeters, cubic inches, liters. Welcome to virtual engine dyno the ultimate in engine. To get the displacement in liters, use a cubic inches to liters conversion calculator. Virtual engine dyno the ultimate in race engine simulation software.
You can change the head ccs, deck height, overbore size, etc. We have also provided some tables of common engine combinations that may help you compare and contrast different combination. Programs which may go into much more detail than the engine displacement calculator. I would like to keep it as simple as i can so basically cc stands for cubic centimetre. Engine capacity is also known as engine displacement. Harleydavidsons are commonly measured in cubic inchesan 81cubicinch harley vtwin engine is 27 cubic centimeters. Engine capacity and compression calculator aa performance.
This spreadsheet is temporary until we have online calculators built into the website, which will require no special software. The engine displacement is calculated in cubic inches or cc s. Small engine horse power hp to cubic centimeters cc. Includes information on the virtual engine dyno simulation and free virtual engine calculator. Use engine calculator to quickly compute cubic inches, compression ratio, deck height, gearing, mph, piston speed, torque, horsepower, rpm, et from power, power from mph, carburetor cfm. It is used to regard an engine s size and power output. From a 49cc racing engine, to a gp 125 engine, or a 1500 mercurial triple engine, or a 250 kart engine, racingsm software suits all. Free horsepower calculator compression ratio calculator. Being able to calculate piston dish ccs based on geometry. The term cc represents the unit cubic centimeter of volume. Use a calculator to multiply your engine s horsepower by 16. This program calculates the displacement of motorcycle engine. The hot rod calculator allows easy, on the spot, calculations of how engine modifications and at track vehicle setup changes can effect power output and track performance.
Determining the parts that best suit your engine require some complex equations. And it tells about the displacement capacity of piston for producing power. The will result in the overall volume of air displaced by the engine. You might also be interested in our engine horsepower and engine torque calculators. And in case of engines it is used to represent the volume of the internal combustion engine cylinders. To make horsepower numbers more accurate to what you would actually see from your engine when installed in your car, for the 1972 model year, american car manufacturers started using net horsepower figures. You can also calculate total volume from bore, stroke, and cr. Enter the borestroke ratio, if you know it, if left blank the system will calculate it. For example if we have a bore of 4 inches and a stroke length of 3.
If youre doing a manual calculation, that usually means using cubic centimeters cc. Welcome to the future of dyno simulation software virtual engine dyno is a computer software program used by engine shops and performance enthusiasts to simulate building, modifying, tuning and dyno testing automotive engines before component purchases and engine assembly. Being able to calculate piston dome ccs based on geometry, from either a tapered dome or hemispherical dome. A simple 3 stage two stroke exhaust calculator based on formulas of g. The compression ratio of an engine is a very important element in engine performance. There are tooltips over each input to tell you which values are affected by this input for the theory behind the calculator see the engine page. Ve is a ratio of actual engine breathing volume to displacement. An engine rated at 4 horsepower will calculate to approximately cc. Low ve is a simple indicator of a whole category of breathing faults. In reference to the internal combustion engine, cc refers to the total volume of engine displacement. Engine size displacement borestroke ratio bs bs ratio.
Engine cubic inch cc displacement calculator this calculator requires the use of javascript enabled and capable browsers. How to calculate the ccs on a motorcycle engine it still. Roll your pointer to the left of the table to see typical values. The engine displacement is calculated in cubic inches or ccs. Input the number you wish to convert, than choose the units of that number. This conversion utility was jointly developed between frozenmist and uk to aid you in configuring your vehicle to get the most out of. You can also save and load the data by using the provided functions.
We believe that using this software will help your 2stroke development or racing results on different types of competition. Engine displacement is determined from the bore and stroke of an engine s cylinders. For example, if your engine has 150 horsepower, multiply 150 x 16 2,400 cc. The payroll tax modeling calculators, powered by the symmetry tax engine, include federal, state, and local taxes, and benefits and other deductions, and. The calculators and tables provided in this section are intended for reference they use the accepted formulas used by most engine builders. To determine the deck height required for a 2276cc engine with a compression ratio of 8. Use this compression calculator tool to figure the compression you will get with the specifications you provide.
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