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Brushless Motor Gear Chart

BRUSHLESS MOTOR GEAR CHART

The final drive gear ratios provided in this chart are intended as starting points and have been rounded off to the nearest 1/2 number. Because there are so many types of vehicles, track types, track lengths, track conditions, weather conditions, driving styles, etc., you may find that the gear ratio you end up running is considerably different than our recommendations. Once your starting point is determined, fine tuning will be done by checking the temperature of your motor with a temp gun. You will want to fine tune your gearing so that after a full run your motor does not exceed a temperature in excess of 160 to 170 degrees F. If your motor reaches a temperature above 170 degrees, you will need to change to a smaller pinion gear and/or larger spur gear, or the opposite of this if you have room to increase the motor's temperature.
Touring Car, 2wd Off-Road, Truck Off-Road, and 4wd Off-Road gear ratios are based on using the following formula: Divide spur gear by pinion gear and multiply this result by your vehicle's internal transmission ratio (off-road vehicles) or drive ratio (touring cars). The internal transmission ratio or drive ratio can usually be found in your vehicle's manual or stamped on the side of the transmission. Example: (88 spur / 24 pinion = 3.67) 3.67 x 2.2 = 8.07 final drive ratio. These ratios are based on using standard wheels and tires that are typically used with these vehicle types.
1:12 and oval gearing is determined by calculating millimeters (mm) of rollout. The rollout figures shown in the chart are based on using the following formula: Multiply tire size (in mm) by 3.14. Multiply this result by pinion gear. Divide this result by spur gear. Example: 43mm (tire diameter) x 3.14 = 135.02 x 24 (pinion) = 3240.48 divided by 100 (spur) = 32.40mm of rollout. These rollout calculations are based on using standard wheels and tires that are typically used with these vehicle types.

Fantom ION Pro Brushless Instructions

  • Installation: Install motor in vehicle so that solder tabs are located in a convenient location for soldering the ESC wires to them.  Make sure to use motor screws that do not penetrate the motor by more than 3.5mm.  Solder your ESC wires to the motor solder tabs; they can be inserted into the tabs from the top or bottom side before soldering.  Make sure that the A, B, and C wires from your ESC are matched correctly to the A, B, and C solder tabs on the motor.  When soldering, be careful not to jump solder between the adjacent solder tabs, as this can cause permanent damage to your ESC and/or motor.  If you are using a sensored ESC, connect the supplied sensor cable to your ESC and motor at this time.

 

  • Timing: Your motor comes set in the zero timing position (timing screws in the third position).  The timing can be advanced to suit your personal requirements by simply loosening the three back plate screws and rotating the back plate counter-clockwise to one of the other three positions (position 2 = 10 degrees and position 1 = 20 degrees).  Experiment with all three settings until you find what works best for your racing application, track conditions, and speed control type.  Typically, advancing the timing will increase RPM and reduce efficiency, and less timing will have the opposite affect.  Because different brand speed controls can also affect the optimum timing setting, we recommend that you review your ESC manual for the manufacture’s timing recommendations.

 

  • Gearing: See gearing chart and gearing information above.
  • Maintenance: Lubricate bearings occasionally with one drop of Fantom high-performance bearing oil (p/n FAN54302).  If your motor accumulates dust or dirt inside, disassemble the motor as follows: 1) Unscrew the three long screws located on the front bearing housing (note the alignment of all parts before removing this housing) and remove housing.  2) After removing the front bearing housing, carefully remove the rotor (magnet).  Make sure to keep track of the rotor shaft spacers, as these will need to be placed on the shaft in the same original locations when reassembling the motor. 3) Remove the rear plate.  4) After disassembly, carefully clean inside of motor and parts with compressed air.  DO NOT use high air pressure on or around sensor circuit board (located on underside of back plate), which can cause permanent damage that is not covered under warranty.  If necessary, the bearings can be replaced at this time.  Note: the circuit board must be removed from the underside of the back plate before pressing out the back plate bearing.   Replacement bearings are available at www.fantomracing.com.  After cleaning, reassemble motor in reverse order.  Be extremely careful not to damage the fragile sensor circuit board while inserting the shaft into the rear bearing.  Make sure timing is set correctly.

 

  • Warranty: Due to the intended use of this motor, it is only guaranteed to be free of manufacturing defects at the time of purchase.  This warranty does not cover misuse or normal wear and is at the discretion of Fantom.  By the act of installing and operating this product, the user accepts any and all resulting liability.  For a full disclosure of our warranty policy, please go to: About Fantom > Product Warranty on this web site.

 

Fantom ION2 Pro Spec Brushless Instructions

  • Installation: Install motor in vehicle so that solder tabs are located in a convenient location for soldering the ESC wires to them.  Make sure to use motor screws that do not penetrate the motor by more than 3.5mm.  Solder your ESC wires to the motor solder tabs.  Make sure that the A, B, and C wires from your ESC are matched correctly to the A, B, and C solder tabs on the motor.  When soldering, be careful not to jump solder between the adjacent solder tabs, as this can cause permanent damage to your ESC and/or motor.  If you are using a sensored ESC, connect the supplied sensor cable to your ESC and motor at this time.

 

  • Timing: Your motor comes set at zero timing (“0” mark on label aligned with center timing mark on outer ring).  The timing can be changed to suit your personal requirements by simply loosening the three back plate timing screws 1 turn and rotating the timing plate.  For more RPM and less efficiency, rotate the back plate counter-clockwise (positive timing).  For more efficiency and less RPM, rotate the back plate clockwise (not past zero).  We do not recommend using negative timing.  We recommend changing the timing in 2 degree increments, until you determine the optimum setting for your application.  The timing marks on the outer ring are in 4 degree increments.  Keep in mind, as you increase the timing this will also decrease the torque and may also cause your motor to overheat.  Overheating your motor will cause the magnets to fade, sensors to go bad, and generally shorten the overall lifespan of the motor, along other unwanted stresses to the motor and ESC.  Make sure to keep your motor less than 160 degrees F. to obtain maximum performance and longevity.  The cooler you can keep your motor the better.  To obtain the optimum setting for your track conditions, you will need to experiment with motor timing, gearing and ESC timing until you find an ideal balance between good acceleration coming out of corners and good top speed at the end of a long straightaway, all while keeping the motor less than 160 degrees.  Keep in mind that changing tire size will also affect your timing and/or gearing selections.  We also recommend that you review your ESC manual for the manufacture’s timing recommendations.
  • Gearing: See gearing chart and gearing information above.

 

  • Maintenance: Lubricate bearings occasionally with one drop of Fantom high-performance bearing oil (p/n FAN54302).  If your motor accumulates dust or dirt inside, disassemble the motor as follows: 1) Unscrew the three long screws located on the front bearing housing (note the alignment of all parts before removing this housing) and remove housing.  2) After removing the front bearing housing, carefully remove the rotor (magnet).  Make sure to keep track of the rotor shaft spacers, as these will need to be placed on the shaft in the same original locations when reassembling the motor.  At this time also remove the back plate.  3) Remove the three timing screws from the back plate and disassemble the timing mechanism, sensor board and bearing.  Make sure to keep track of the original location of all parts.  After disassembly, carefully clean the inside of motor and parts with compressed air.  DO NOT use high air pressure on or around the sensor circuit board, which can cause permanent damage that is not covered under warranty.  If necessary, the bearings can be replaced at this time.  Replacement bearings are available at www.fantomracing.com.  After cleaning, reassemble motor in reverse order.  Be extremely careful not to damage the fragile sensor circuit board while inserting the shaft into the rear bearing.  Make sure timing is set correctly.
  • Warranty: Due to the intended use of this motor, it is only guaranteed to be free of manufacturing defects at the time of purchase.  This warranty does not cover misuse or normal wear and is at the discretion of Fantom.  By the act of installing and operating this product, the user accepts any and all resulting liability.  For a full disclosure of our warranty policy, please go to: About Fantom > Product Warranty on this web site.
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