Unfortunately, it’s impossible to give more accurate ranges due to the large differences in engine features.ĬC to HP by Displacements How Much Horsepower is 10cc?
#357CC HORAE POWER HOW TO#
How to Convert CC to HPĪlthough there’s no exact formula for converting engine CC to HP, here are some general calculation rules that work in most cases: If you do extensive research, you can likely find some engines that do not fit within these ballpark figures. Note that these are just hard numbers, about average stock engines. Here are some more detailed lists with the most common engine sizes and categories: CC to HP Conversion for Small Engines Displ.ĬC to HP Conversion for Large Engines Displ.ĭisclaimer: These charts are for information purposes only! Lawnmowers and snow blowers: 25-40 cc/HP.In contrast, a 1500cc farm tractor puts out about 20 HP, meaning that 75cc can only produce 1 HP.Ĭonsequently, there is a huge difference in the HP ratings of engines with the same displacement!įor your convenience, we’ve done the research and compiled the cc/HP ratings of the most common engine categories into one list: Regarding 4-wheelers, a 1500cc racing car engine can crank out up to 400 HP, which means 3.75 cc delivers 1 HP. Since V-twin engines deliver much less power, an average 1000cc Harley produces about 70 HP (14 cc = 1 HP). This is why 600cc and 1000cc sportbikes with 4-cylinder, in-line, big-bore engines have very good cc/HP ratios.įor example, the Kawasaki Ninja H2 motorcycle is powered by a supercharged, 992cc in-line engine rated at 310 HP (3.2 cc = 1 HP). Since the pistons in these engines can move much faster, they can deliver much more power. “Big-bore” engines have large-diameter pistons combined with short strokes. These long-stroke engines generate more torque but have worse HP to cc ratios. The smaller the cylinder bore, the longer stroke the engine has. The bore and stroke of the engine are no less important.
There are also many important factors like engine materials, design, tolerances, and compression ratio that significantly affect the HP per cc ratio. Supercharged and turbocharged engines burn much more fuel, delivering more power than naturally-aspirated power sources. The general rule is that the more cylinder the engine has, the more power it can deliver.Įngine aspiration also has a major effect on performance.
Liquid-cooled engines are also more efficient than their air-cooled brothers, so they crank out more HP with the same displacement.Īnother key factor is the number and the dimensions of the cylinders. 2-strokes usually have a better cc/HP ratio than 4-strokes due to their design.
One of the most important factors is the type of engine. Materials, tolerances, and compression ratio.Numbers and dimensions of the cylinders.Many different factors affect an engine’s cc/HP ratio, but the major ones are as follows:
0 kommentar(er)
