![]() I'll post more when I've got a larger collection of data, I want to get more drivers in on the deal. On previous sessions, at the same track, we've swapped karts between sessions and swapped results, from my friend besting me by 4/10ths to me beating him by 2/10ths, we both set our personal bests for that track in that Kart. It was at TBC in Richmond if that means anything to anyone.Īs far as the other factors that affect lap times, there are many, and sometimes, it is the kart that makes the difference. I also compensated for the warmer tires and other factors that affected times between sessions by finding the average lap improvement from one session to the next for the non ballasted drivers.īased on our (not yet as large a sample as i'd really like) data, in a ~30" lap 12 turn lap, the penalty worked out to. ![]() I compared a weighted average (ignoring the slowest 4 laps) of lap times for each session. We each took our assigned Karts through 4, 12 lap sessions, two with added ballast. ![]() I weigh about 220 pounds, my friend about 180 pounds, so the ballast represents half the difference. Recently I got a friend to agree to taking turns karting with 20 pounds of ballast. Really ancient forum now, but with insight. So either I'm the second coming of Senna or there's more to it than this To calculate the cross-weight percentage, add the RF weight to the LR weight and divide the sum by the total weight of the kart. This is mainly due to the fact that go karts. However: I used to be about 2% slower than my colleagues when I weighed 115kg to their ~80kg. Note : this sample calculation is based on the fact that it ignores the lateral load transfer during cornering. So Mr Heavy is even further disadvantaged than the numbers above indicate (unless he increases his tyre pressures) because the wheels are effectively smaller for him than for Belatti. Hit RESET to clear the form and SAMPLE if you want to see a sample calculation. This is because the compression around the contact patch reduces the effective radius of the wheel-tyre system, and that compression is larger the more load is on the tyre. Enter the Four Wheel Weights in the fields above then press CALCULATE. If you calculate it using pi*d you will get a different (larger) answer to what you get if you roll the bike unloaded, and that in turn is larger than what you get if you roll the bike with yourself on it. You do the math to calculate top speed diferenceĬontributing to an ancient thread, but it wasn't me that resurrected itįor bicycle speed meters, which typically measure the number of wheel rotations, you have to measure the roll-out distance of the wheel (how far you travel per revolution) with yourself sat on the bike to get accurate speeds. Enter wheel weights, Hit Calculate and Read your Totals, if you Enter Your Left Bias (inside weight) or Cross weight (wedge) it will calculate your wheel. We were running a long ratio (10:78) in order to preserve the engine. for an off-road electric scooter on green lanes and cross-country terrain. Belatti wrote:With the same kart he reached 17.100rpm in the straight and I reached 17.500rpm. Luxurious & Top Quality 150 Go Kart model Front & Rear Hydraulic Disc Brakes.
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