return formatvalue(form.rpm13.value * form.cid13.value * .000246, form.rsize); form.rear8.value = ""; So you have to figure Displacement and RPM's to figure HP. There's no magic formula to convert cubic inches to horsepower. var n3 = 0; The engine displacement is the usable volume an engine has for combustion. cubic foot to cubic inches. } 1/2 hp per cu inch for a stock NA diesel? form.conv5.value = ""; var b = parseFloat(form.stroke.value); if (x==12) form.aspect11.value = findaspect11(form); } if (x==2) D-Link DP-300U 10/100TX 1-USB Port 2-Parallel Port Print Server. return newValue; { new injector flow cc/min from change in pressure. return rounded.substring(0, rsize); there where a few people at tunica that thought they could(well it was its twin tractor,Iron Dragon) most weren't close,he full pulled, then Bewleys moline followed him right out the door.in the pull off bewley forgot to turn his fuel pump onHAHAwish he woulda remembered it woulda made things interesting there where a few people at tunica that thought they could(well it was its twin tractor,Iron Dragon) most weren't close,he full pulled, then Bewleys moline followed him right out the door.in the pull off bewley forgot to turn his fuel pump onHAHAwish he woulda remembered it woulda made things interesting our A is 360 cubesand we had 57horse. form.racecarb13.value = ""; Step 1: Pick What To Convert Step 2: Enter The CCs Result: How Is CC Converted to HP? form.mph1.value = findmph1(form); A guide on volumetric efficiency values is provided below. new injector flow lb/hr from change in pressure. For converting HP to CC, you can use the following basic formula: CC stands for cubic centimetres. 1/2 HP per cu at 1800rpm for a turbo/intercooled diesel. { 360/57 is 6.3 cubes per horsepower. our A is 360 cubesand we had 57horse. Look at different models of the same hp and you will find widely varied CID. The most important factors involved here are R.P.M.,C.F.M., and compression. The other post with the 1500HP missed the point. Two strokes about 100HP per liter or 62cu for docile engines and 2+HP/cu for race only screamers. Go back to my other post where it said 1/4HP per cu" at 1800rpm for a diesel. Engine Size in Cubic Inches :.. Engine calculator solving for cubic inch displacement CID given number of cylinders, bore and stroke. Quality tools are an investment that will last alifetime if properly cared for. It represents an area one inch long, by one inch wide, by one inch deep. "@type": "Organization", form.mph7.value = ""; What is the difference between a 1000CC car engine and a 1000CC motorbike engine? return formatvalue((((form.rpm4.value * form.tire4.value) / (form.rear4.value * form.trans4.value * form.mph4.value *336))-1) * 100, form.rsize); Bore, stroke, rod length and angularity, camshaft lift, duration, overlap, lobe separation, rpm, and brake specific fuel curve are just a few of the factors going into figuring the horsepower of a particular engine at a particular rpm with a particular set of componentsand sometimes unpredictable things--good AND bad--happen that only show up on the dyno. This is not a perfect conversion because ccs are a measurement of an engines displacement whereas horsepower is for its power. form.aspect10.value = ""; Dividing 1,500 by 15, we would calculate it to have 100 hp. Electric cars have electric motors. Remember, computer-controlled multiport fuel injection does not automatically mean more peak horsepower than a well tuned carburetor setup. Look at it this way: if there was just one formula, how could the '60's Chevy 327's make a different range of horsepowers between 250 and 375? function computeForm(form) { It means the size of the engine in cubic centimetres. 1/3HP per cu for turbo and 1/2HP per cu for turbo intercooled. { An average bone stock turbo diesel made to run 10,000hrs between overhauls will make about 1/2 HP per cu . If there is other information you would like to see here please contact us and we will do our best to add the resources you need. The formula for this cubic inch calculator is cid = ( ( (Bore/2)^2) x Stroke x Pi) x Cyl you can also calculate with the metric version bore (inches) stroke (inches) cylinders (No) For all the engines, including Briggs & Stratton, the CC to HP conversion is exactly same as it would be in any other case. } For reference, 1 HP is the equivalent of lifting 550 pounds by one foot in one second. This tool is very accurate for displacement calculations. form.ratio.value = ""; A rough rule of thumb is. How to convert Briggs & Stratton CC to HP? if (x==5) return formatvalue((form.rpm6.value * form.tire6.value) / (form.mph6.value * 336.136 * form.trans6.value * ((1 + (form.conv6.value / 100)))), form.rsize); Milling Horsepower Calculator. 1/3HP per cu" for turbo and 1/2HP per cu" for turbo intercooled. var e = parseFloat(form.dt.value); cubic inch horsepower calculator; how much horsepower per cubic inch; PSI = Pressure in Pounds per Square Inch. You can input centimeters in the calculator below, but the litres listed in the output will be wrong, since the calculator assumes input in inches. form.weight1.value = ""; { { At the track, see how weather and elevation will affect your times so you can instantly predict your dial-ins using current track conditions. form.hp1.value = ""; A 547 cc engine is approximately 36 horsepower. For the theory behind the calculator see the engine page. n4 = n2 + n3 + c - f if ((form.bore.value == null || form.bore.value.length == 0) || (form.stroke.value == null || form.stroke.value.length == 0) || (form.heads.value == null || form.heads.value.length == 0) || (form.gt.value == null || form.gt.value.length == 0) || (form.dt.value == null || form.dt.value.length == 0) || (form.piston.value == null || form.piston.value.length == 0) || (form.cylinders.value == null || form.cylinders.value.length == 0)) { Calculate the horsepower or CC by multiplying or dividing by 15. form.cid13.value = ""; our A is 360 cubesand we had 57horse. return formatvalue(form.rpm13.value * form.cid13.value * .000318, form.rsize); Bore, stroke, rod length and angularity, camshaft lift, duration, overlap, lobe separation, rpm, and brake specific fuel curve are just a few of the factors going into figuring the horsepower of a particular engine at a particular rpm with a particular set of componentsand sometimes unpredictable things--good AND bad--happen that only show up on the dyno. Lets use 1000CC engine in this CC to HP example. if(x==11) Lets use 100HP engine in this HP to CC example. 1/2 hp per cu inch for a stock NA diesel? engine cubic feet per minute cfm. The dynamometer measures the RPM and torque of the engine, and calculates horsepower based on these values. In reality there is far more to it then CID. electronic fuel injection. 1/2 HP per cu at 1800rpm for a turbo/intercooled diesel. By comparison, horsepower is a measurement of the engines power output. Horsepower is measure using a tool called a dynamometer. { Since electric cars don't have combustion engine, there is no cubic meters that can be measured in them. form.eqratio12.value = ""; } if (x==11) We have some handy compression ratio and cubic inch calculators as well. } To calculate the cubic inches in a easy way, we can convert all the unit to inches first, Between the lack of power-robbing accessories and restrictive exhaust systems, the advertised horsepower numbers were quite inflated when compared to today's power figures. } To use this horsepower calculator enter the mph trap speed at the 1/4 mile mark from one of your dragstrip ET slips. This is not a perfect conversion because ccs are a measurement of an engines displacement whereas horsepower is for its power. Horsepower Calculation Based on Definition By definition Power = force distance time Horsepower Converter No computer, charts or workbooks needed. { Choose cam tappet type: Flat Tappet Roller Enter your DYNAMIC compression ratio: :1 (Not your typical STATIC compression number, if you don't know this you can calculate it here ) Enter your engine displacement (cubic inches): Enter how many cylinders: 4 5 6 8 10 Hopefully, that provides a little clarity as to why cc and hp are not identical measurements. { }, if(x==12) A cubic inch is a measure of volume that is equal to a cube with width, length and height are all 1 inch. A 160 cc engine is approximately 11 horsepower. form.widthmm10.value = ""; if (form.et2.value) Use the calculator below to convert an engines cc to hp, or hp to cc! Join the FREE newsletter for tips, tricks, and insider secrets! Home Wind Turbine 600w/12V - Small . var invalid = "**************************"; } } }, Engine Rear Wheel Horsepower Calculator Based on total vehicle weight and 1/4 mile MPH. You dont need to be a mechanic or gearhead to know what were talking about on this site. Also these power figures were typically attained with a very unrestrictive open exhaust system, along with the lack of restrictive OE air cleaner assemblies. The A at 321 cu running at 1200rpm would be well built to make 73HP. { "name": "Diesel Puller" 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. This is not a perfect conversion because ccs are a measurement of an engines displacement whereas horsepower is for its power. This equation can also be reversed to determine an engines approximate size by multiplying its horsepower by 15. Electric cars do not have CC or an equivalent metric. This calculator will help you estimate the potential of an engine. More specifically, a measurement of the cylinder volume swept by all of the pistons. One horsepower is equal to 745.7 watts, watts being a unit of power that James Watt also came up with, and the same unit you see everyday associated with things like light bulbs and electrical devices. } var strin = "" + input; This is not a perfect conversion because ccs are a measurement of an engines displacement whereas horsepower is for its power. if(x==9) } form.eighth3.value = findeighth3(form); You can change the head ccs, deck height, overbore size, etc. TRADEMARK DISCLAIMER: Tradenames and Trademarks referred to within Yesterday's Tractor Co. products and within the Yesterday's Tractor Co. websites are the property of their respective trademark holders. Thumb is that will last alifetime if properly cared for see the engine, and compression different models of engines... 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