Change sprockets change speed. Our default is for a slow safe junior kart.
Motor And Gear Ratio Guide And Calculator
Gear ratio chart kart. Number of teeth on drive sprocket left column. One of the most common gear ratios for go karts is 11 12 teeth on the clutch sprocket and 60 teeth on the axle sprocket. Note that not all sprocket sizes are available for all chain types. Karting drive ratio chart sorted by drive ratio. Use this chart to find your drive ratio for any combination of sprocket teeth. If theres no modification to the engine and you gear the kart faster taller youll do so at the expense of quickness.
To find the gear ratio simply divide the axle teeth by the clutch teeth. This chart provides values that represent a 11 ratio on a manual transmission. Number of teeth on axle sprocket. A very common mini bike ratio is 11 12 teeth on the clutch and 72 teeth on the axle sprocket. Karting drive ratio chart arranged by sprocket size top and bottom rows. The front sprocket teeth represents the clutch drive sprocket and the rear sprocket teeth represents the rear axle sprocket.
Gear ratio chart if you put on a set of tires that are 12 bigger in circumference that is the same as taking off 1 tooth from the axle adding one tooth to a 2 cycle should give 200 rpm more adding one tooth to a 4 cycle should give 100 rpm more if you add a tooth and gain less than that the gear is most likely slower. Applicable calculator formulae pi 314159 pi d c 314159 wheeltire diameter circumference of wheel and tire combo at ct gr gear ratio axle teeth clutch or engine teeth. The gear ratio is 5 and the potential speed is just under 13 miles per hour. Related charts and information. Go kart gear ratio tool. This gear ratio and tire diameter chart is meant to give you an approximation of ideal rpms at highway speed 65 mph for three situations.
Go kart gear ratio speed calculator mph. Check out the karting gear ratio chart. You can see that you can increasedecrease one or both sprockets to get the desired ratio you desire. Karting drive ratio chart arranged by sprocket size. Fast way to determine gear ratio and speed. Gear ratio and tire diameter charts are ideal for making your car.
Lower gearing equals quickness. 35 chain gear ratio chart engine 9 10 11 12 13 14 15 16 17 18 19 54 600540491450415386360338318300284 r 55 611550500458423393367344324306289 e. Thats the trade off. The gear ratios of the clutch and final drive will only make the go kart faster if the engine has the power to move it faster. Taller gearing equals speed. Fuel economy every day driving and increased towing power.
The chart makes what we have spoken about really make intuitive sense.
Gallery of Gear Ratio Chart Kart
