Home New Products Catalog Services Articles Gear Chart Articles (click to download the PDF) Armature timing and Aftermarket timing fixtures. Armature Timing - For simplicity's sake, think of the commutator as the "switching system" for turning the poles of the armature on and off in their function a...

Home New Products Catalog Services Articles Gear Chart Current Tire Size is 1" Type your Final Drive ratio for this tire size "e.g. .750": note: If you use 1 for the tire size that is the same as the gear ratio without tires. 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 25 4.17 3.57 3.13 2.78 2.50 2.27 ...

Home New Products Catalog Services Articles Gear Chart New Products New Release 9/01/2012 Introducing The "Boss 490" The BOSS 490 was designed for the bracket racer running a heavy weight, hard body car weighing 125g+. It was designed to use 10T pinions for better gear mesh and better short times an...

Home New Products Catalog Services Articles Gear Chart Reconditioning Services IRRA Reconditioning Services PS-4002B Disassemble the motor Ultrasonic clean / rinse and dry Inspect the setup for defects and needed adjustments Test to see if the magnets are properly glued in / re-glue as needed Zap th...

Home New Products Catalog Services Articles Gear Chart Home New Release 6/21/2013 (click to download the PDF) Velociraptor Warning Velociraptor Motors & Set-ups should only be run on a power supply at 2 to 3 volts MAX for no more than 30 seconds. They will overheat causing damage to the motors. ...