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4.4 H.P. and 6.9 ft/lbs of torque
There is no correlation between hp and cc, for instance, a 125cc motocross bike delivers around 25 hp, a 480cc briggs I/C flathead delivers 12 hp. The 140cc flathead lawn mower engines are between three and four hp.
Generally it does. However a lawn mower can have a higher horse power than another brand mower, even though it has a lower cc. There is no general equation for converting from cc to horsepower for all engines and the conversion will depend on several factors such as the efficiency of combustion of the gas/air mixture, spark plug position, speed of the engine etc.
To convert cubic centimeters (cc) to horsepower, you can use a rough estimate that 1 horsepower is approximately equal to 15 cc for gasoline engines. Therefore, for a 140 cc engine, the conversion would be about 9.3 horsepower (140 cc ÷ 15 cc/hp). Keep in mind that this is a general approximation and actual horsepower can vary based on engine design and efficiency.
5.5 hp
The engine displacement of a 7.5 hp lawn mower can vary depending on the specific design and manufacturer, but a common estimate is that it typically ranges from about 200 to 250 cc. Horsepower and engine displacement do not have a direct conversion, but this range is generally accepted for small engines in that power category. Always check the manufacturer's specifications for the most accurate information.
That is impossible to calculate with just the number of cc. cc stands for cubic centimeter, so imagine a cubic centimeter and multiply that by 10. That is the size of your lawn mower's combustion chamber. if you want to know the HP, look in the manual or on the engine packaging.
That depends on many things. Simply there are fewer CCs per horsepower in a highly tuned racing car engine than in a lawn mower engine.
Any 2-stroke mower type will serve.
Well, friend, a 139cc lawn mower engine typically has around 3-5 horsepower. It may vary slightly depending on the specific make and model, but that's a good ballpark estimate. Just imagine all that power gently guiding you as you create beautiful landscapes in your yard.
You cannot determine horsepower from cubic centimeters no cubic inches. For example, a 125 cc 2 cycle motocross racing motorcycle produces upwards of 25 HP yet a 140 cc lawn mower engine produces about 3 HP. There is no correlation between the cc's and horsepower whatsoever.