The best bet is to do go the the 4qd website and do the calculations for the ratio needed for you wheel size and desired speed. Front sprockets are cheap ~$10 each. I made is so my best guess gearing put a 13 tooth on the motor, but I also have an 11 and 15 tooth sprocket which I actually do change from time to time to play around. I can change the front sprocket in about 10 minutes.
DO you think 6/1 Drive ratio is the best bet? -- [EMAIL PROTECTED] Steven Parker Video Production Specialist ITCS/ACES 69A Mumford Hall, MC-710 University of Illinois Urbana, IL 61801 "I absolutely refuse to be anonymous. Don't use handles. Use your real name. Have the conviction to identify your ideas." On 1/19/07 12:37 PM, "Andrew Wowk" <[EMAIL PROTECTED]> wrote: >From Bidwels book "Secrets of El Ninja" the following data was taken from a chart: Voltage: 48 Weight: 456 Kilowatt-hours: 4.1 (likely flooded batteries) Front # of teeth: 12 Rear # of teeth: 72 Drive Ratio: 6.0 Peak motor top speed (mph): 43 Actual top speed (mph): 43 Actual 0-30 mph (seconds): 7 Actual stop-and-go range (miles): 28 The following was a different grear ratio (with numbers in same order): 48 456 4.1 16 72 4.5 57 51 8 -- Hope this helps, Andrew --------------------------------- Want to start your own business? Learn how on Yahoo! Small Business.
