Gear Ratio Program

Gear Ratio Chart Creator brought to you by Arroyo Consulting

Gear Ratio Chart Creator
brought to you by
Arroyo Consulting

Select an RC car:		Pick an RC car from the list to the left, if your car is not listed that's OK you can manually enter the transmission ratio in the box below. If you have a car not listed and know the transmission ratio for it, email it to the address at the bottom of this web page.
Chart Name:		Enter a name for your chart, if you selected a car from the list above this will be filled in for you, otherwise; or if you would like name your chart differently enter changes here.
Transmission Ratio:		Enter your RC car's transmission ratio, if you selected a car from the list above this will be filled in for you, otherwise; or if you have modified your stock transmission enter your transmission ratio here.
Spur Size		Enter the spur gear size for your chart, the chart will calculate ratios for 10 consecutive spurs
Pinion Size		Enter the pinion size for your chart, the chart will calculate ratios for 15 consecutive pinions
Plot Spur/Pinion	Start Mid End	Indicate where you want your Spur & Pinion plotted. Start will plot your spur and pinion at the start of the chart, Mid will plot your spur and pinion in the center of the chart, End will plot your spur and pinion at the end of the chart.

Tire Diameter (mm)

Enter your tire diameter in milimeters, please note that all of the above fields must also be filled in so that the rollout chart can be created.

Motor RPM

Enter your motors RPM to calculate potential Kilometers per hour or Miles per hour, please note that all of the above fields must also be filled in so that the potential speed chart can be created. Also, the potential speed chart is the "theoretical" maximum speed and does not take into account things like drivetrain drag, tire expansion, track friction, etc...

Comments and suggestions welcome email at javiera@arroyoc.com

Network Monitoring by Power Admin