Is drive ratio the same as gear ratio?
The two ratios multiplied together equal the final drive ratio. By simply dividing the ring gear tooth count by the pinion gear tooth count, the ratio is determined. For example, if we divide a ring gear with 41 teeth by a pinion gear with 10 teeth we find that the gear ratio is 4.10:1 (41/10 = 4.10).
What is primary drive ratio?
Primary Drive RatioThe primary drive ratio is determined by dividing the number of teeth on the clutch sprocket or pulley (output revolutions) by the number of teeth on the engine sprocket or pulley (input revolutions).
What is gear drive ratio?
The gear ratio in a transmission is the ratio between the rotational speeds of two meshing gears. The gear ratio is calculated by dividing the output speed by the input speed (i= Ws/ We) or by dividing the number of teeth of the driving gear by the number of teeth of the driven gear (i= Ze/ Zs).
What is final drive ratio?
Final Drive Ratio refers to the last set of gears that connect a vehicle’s engine to the driving axle. The ratio is the number used to represent how many times the transmission needs to rotate the drive shaft in order to rotate the tires once.
What does primary gear mean?
The primary drive is the ratio between the engine’s crankshaft and the incoming shaft of the gear box or clutch.
Is the primary drive ratio included in the gearbox ratio?
Is primary drive ratio normally included into the gearbox ratio specification, or should it be considered as a sum of the two to get the true ratio? Lets take a modern BMW motorcycle engine as an example – what would be a gearbox output ratio at i.e. 1st gear – 2.38 or 1.73*2.38 = 4.11?
What is primary drive ratio in a car?
Primary drive is the gearing between the engine to the transmission, then you have the transmission gearing, and then the final drive ratio is what’s at the wheel. You’d need to multiply the three number together to figure out what the total actual gearing is between engine to rear wheel for any given tranny gear.
How do you calculate gear ratios on a motorcycle?
Calculate Gear Ratios. This program calculates the gear ratios of a motorcycle. The primary drive ratio and overall ratios for each gear are all calculated. Just enter the data in the white boxes below, then click the “Calculate” Button. Pressing the “Reset” button loads the default values into the form.
How can I change the drive ratio on my bike?
Usually this ratio can not be easily altered unless you perform major surgery on your bike…. But if you do, also change the Primary Drive Ratio field in the GC accordingly. The gear box is the only gearing part that can change its ratio very easily and that is by you changing the gear while you drive.