Your question: How do I read my brushless motor specs?

What do the numbers mean on a brushless motor?

The configuration number tells you how many electromagnets there are on the stator, and the number of permanent magnets there are on the rotor. The number before the letter N shows the number of electromagnets there are in the stator. The number before the P shows how many permanent magnets there are in the rotor.

How do I know what power my brushless motor is?

Identify the maximum power (BHP) of the motor. Divide this by 1.5 i.e. 2/3s and multiply by 750 to convert the BHP to watts to determine the output power of the equivalent brushless electric motor.

What do the numbers on RC motors mean?

The number of turns indicates how much wire is wrapped inside the motor. A higher turn number means more wire and thus more resistance, resulting in a slower motor. So turns with a lower number means a faster motor. The turn rating is inversely proportional to the power generated by the motor.

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How do you size a brushless motor?

Typically the best place to start when sizing a brushless DC motor is matching motor size (diameter, length). Diameter ranges from 13 mm to 30 mm. Brushless DC slotted motor diameter and length are specified in inches.

What is the Kv rating on a brushless motor?

The Kv rating of a brushless motor is the ratio of the motor’s unloaded rpm to the peak voltage on the wires connected to the coils. Knowing the Kv rating of a motor will help you determine how fast that motor will rotate when a given voltage is applied to it.

What does 9N12P mean?

For example, a 12N14P motor has always four windings that represent one stator pole. A 9N12P has twelve magnets attached to the rotor and nine stator poles with copper windings.

How do you determine the rpm of a brushless motor?

To estimate the RPM of a motor, simply multiply the Kv value by the battery voltage. Kv is in units of RPM/Volt. The more torque a motor needs to produce, the more current it will draw. The Kt rating designates the amount of torque a motor will produce given a current.

How do you read a motor characteristic curve?

Our goal in this design note is to make it easier for you to understand and interpret performance curves that are commonly found on motor or gear motor datasheets.

Performance Curve Interpretation.

Parameter Value Unit
No-Load Current 0.5 A
Rated Speed 48 rpm
Rated Torque 2.5 Nm
Rated Current 2.5 A

How do you find the power output of an electric motor?

By taking the voltage and multiplying it by the associated current, the power can be determined. A watt (W) is a unit of power defined as one Joule per second. For a DC source the calculation is simply the voltage times the current: W = V x A.

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What does 12T mean on RC motors?

Twelve turns around each motor pole using triple wires. Three wires are would twelve times around the pole. A 12T double would use two wires wound twelve times and a 12T single a single thicker wire wound twelve times around each rotor pole.

What does 1000Kv motor mean?

Suppose if you are having a motor with 1000Kv rating it means that it will produce 1000 RPM when 1 volt is supplied.

How do I choose a Kv motor?

The KV value can be determined by the number of copper wire windings on the stator. Generally the higher number of winds decreases the KV of the motor, while lower number of winds increases the KV. The magnetic strength of the magnets can also affect the KV value, stronger magnets will increase KV.

How do I know the wattage of my RC motor?

Watts = amps X volts. So for a 5200mah 4s battery. That is 5.2 amps X 14.8 volts =76.96 Wh.

What size Kv motor for 1/10 buggy?

2WD 1/10th

Any standard 540 size motor will fit. – 8.5t or 10.5t is good for racing and bashing. By adjusting timing and pinions you can get even 50% more speed.