MR33 FDR Checker - Gear Ratio and Engine Speed Gauge Yokomo BD12 The RUDDOG 40mm Aluminum HV

The RUDDOG 40mm Aluminum HV High Speed Cooling Fan has been specially developed for RC drivers

contains: 1pcs AM78FX

Optional 2g Carbon Floating Plate for AFEP for Awesomatix A800MMX

and improved it even further

MR33 FDR Checker - Gear Ratio and Engine Speed Gauge Yokomo BD12 The RUDDOG 40mm Aluminum HVMR33 FDR Checker Gear Ratio and Engine Speed Gauge With the MR33 Drivetrain Checker it is finally possible to measure and control the gear ratio and motor speed of RC model cars powered by 2 pole brushless motors. Simply place the motor sensor on the motor, put the 7mm wrench on the wheel nut of a driven wheel and accelerate. Now just read the value shown on the display and the job is done in 5 seconds. Simple and uncomplicated, for example as part of