Torque is determined by the number of winds on the armature and the strength of the magnets. A low Kv motor has more winds of thinner wire—it will carry more volts at fewer amps, produce higher torque, and swing a bigger prop.
Are higher Kv motor more powerful?
Generally speaking the more Kv a motor has, the more RPM and more power. For example, a 9000Kv motor would be faster than a 2200Kv 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.
Does higher voltage mean more torque?
The higher the voltage, the higher the torque. The voltage rating of a DC motor indicates the most efficient voltage while running. … Operating torque is the amount of torque the motor was designed to give and stall torque is the amount of torque produced when power is applied from stall speed.
Do brushless motors have more torque?
Without having to worry about burning up brushes, a brushless motor can handle more current – and since current creates torque that means a brushless motor can produce higher torque without having its lifespan reduced. … Thus a brushless motor can be more powerful than a brushed motor of the same size.
Does more KV mean more speed?
The higher the Kv (constant velocity) in an electric motor, the higher the RPM, which means more power and more speed.
What is the fastest RC motor?
“The Traxxas XO-1 is the fastest RC car, full stop. The largest brushless motor on offer propels the car from 1 to 60 in 2.5 seconds. Not only is this car stylish, but it also reaches speeds over 100 miles per hour.”
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.
Is torque directly proportional to RPM?
Because torque and RPM are divided by 5252, torque and horsepower are equal when the engine speed is equivalent to 5252 RPM, while torque is greater than horsepower below 5252 RPM and horsepower is greater than torque above 5252 RPM.
Is current proportional to torque?
torque is proportional to current pulled.
What happens to speed when you increase torque?
If you increase the torque you increase the speed UNLESS you increase the load. The important thing to remember is that with electric motors there is a back-EMF (a motor is a generator too) which increases with speed and that limits the effective voltage and thereby the current and thereby the torque.
How long do brushless motors last?
If you are looking for a motor with a long life expectancy, consider a brushless motor. Brushed motor life is limited by the brush type and can attain 1,000 to 3,000 hours on average, while brushless motors can attain tens of thousands of hours on average, as there are no brushes to wear.
Do brushless motors have less torque?
With no mechanical commutator or brushes to wear out, brushless DC motors are low maintenance and non-sparking. In addition, they have less shaft friction and inertia, less audible noise and much better torque-to-weight ratios (power density), so they’re much smaller in size than a comparable brush DC motor.
Are brushless motors more powerful?
Brushless motors have become the industry standard in multirotor applications, and for good reason. Compared to their brushed counterparts, brushless motors are more powerful, more efficient and more significantly longer-lasting.
What does 3000kV mean?
The 3000kV motor is moving air at very high speeds. If you put the same large propeller on it as you use on the 1200kV motor, you’ll burn it up; it will be trying to move too much air, too quickly. (The load will be around 2.5 times as high at 3000kV as at 1200kV with the same prop.)
What does 12 turn motor mean?
A 12 turn motor will be tons faster and will drain a battery faster . Just as he said. a twelve turn motor will have more RPM, less torque, and draw more current. The number or turns refers toi the number of times the wire is warpped around your armature in the motor.
How many KV is a 13.5 motor?
Like I said prior, my 13.5t is between about 3000-4000 kv, but thats just a general range.