Shuangye ebike
The guide of ebike torque
Will you consider the torque when you purchase the electric bikes? This guide will let you know how important e-bike torque is and how much you need to enjoy your ride.
What is the electric bicycle torque?
E-bike torque is the turning force of the wheels of an e-bike, which primarily allows the e-bike to accelerate. Torque is the product of force and distance. Force is generated when the rider steps on the pedals and distance is the length of the crank arm.
What can the torque bring on the e-bikes?
Overall, e-bike torque allows e-bikes to accelerate, helping them climb steep hills. Higher torque produces more force for your e-bike. Firstly, torque makes it easier for your e-bike to accelerate from a complete stop to full speed faster.
Torque directly affects the overall performance of the e-bike. For example, it prevents the motor from stalling and the e-bike from stopping.
The high torque on your e-bike means that you can travel up steeper slopes more easily. Besides, you will have to pedal less often if needed. Most of e-bikes that with high torque motors are electric mountain bikes and e-bikes for uphill riding. Sometimes it is difficult to just get your e-bike moving if you are carrying heavy loads. This is especially true if you choose to exceed the manufacturer’s weight load limit specifications. It may be possible to move an overloaded e-bike if your e-bike can output more torque. However, the most challenging part of moving a heavy-duty e-bike is getting it to move.
The importance of torque of e-bike
Generally speaking, torque is significant for e-bikes. This is because without proper torque, an e-bike cannot perform well. In addition, higher torque allows the e-bike to move forward on slopes and climb higher and higher slopes. Torque helps determine how hard the e-bike needs the rider to pedal. For example, an e-bike with less torque requires the rider to exert more force when climbing a slope than an e-bike with more torque.
How mach torque does and electric bike have and need?
Low-power e-bikes typically have a torque of around 50N.m. In contrast, high-power e-bikes typically have a torque of 80N.m. Technically, the torque of an e-bike depends on the type of motor used. Some e-bike motors can provide 50N.m of torque, while others can provide up to 120N.m of torque.
The amount of torque you need from your ebike depends on what terrain you need to ride on. Let’s say you are looking for an ideal e-bike for climbing challenging steep hills. In this case, an e-bike with a torque of 70N.m or more would be perfect for you. If you need to climb steep slopes, an e-bike with less power is not the best choice. It is better suited to flat terrain. If you ride mostly in the city and don’t need to climb slopes, then you won’t require too much torque from your e-bike. If you ride in places where there are hills everywhere, you may need an e-bike with a lot of torque.
How to calculate the e-bike torque?
The general formula for torque is Torque = Force x Distance. when a rider pedals he or she creates a “force” on the pedals and the “distance” is the length of the crank arm, which is 17 or 17.5 centimeters. If a person weighing 60 kg stands on the pedals while the bicycle is traveling on level ground, then Torque = 60 kg x 9.8 N/kg x 0.17 m = 99.96 Nm, When the e-bike is moving forward in purely electric mode, the “force” is equal to the power applied by the motor to the drive shaft or transmission (chain system or hub gear with chain or belt). This is why an e-bike with a torque of 95 Nm can easily climb a 35-degree slope. When riding in pedal assist mode, the motor supports you in addition to your own power, so the e-bike has even more power and you can conquer steeper slopes. If you have an e-bike dynamometer, it will be easier for you to calculate the torque.
The way to increase the Ebike Torque
1.overvolting the motor
2.switching to a higher voltage battery
3.increase the amp of the controller for the hub motor e-bike
4.change the gear for the mid-drive motor e-bike
Torque (Nm) Vs. Watts (Power)
Watts is a measure of power, and electric bike torque is a measure of the rotational ability of the wheels which is measured in Newton-meters (Nm). So to calculate power, you have to multiply torque by the rotational speed. Watt is the energy required to complete a task at a specific pace, whereas torque is linked to acceleration. Watts, or motor power, refers to the work delivered at a specific time. Motor power and e-bike torque are interconnected.
A 70Nm electric bike can generate higher motor power than a 50Nm electric bike. Just like torque, every e-bike has a different power level that determines the e-bike’s ability to climb hills. For example, let’s say you have two e-bikes, 700W and 500W. Compared with 500W electric bicycles, electric bicycles with 700W power can climb higher slopes. The motor power of ordinary electric bicycles is 250W, which is very suitable for riding on flat terrain. Therefore, when choosing an e-bike, it is important to consider both torque and power to ensure that the e-bike you buy is right for your needs.
Torque Vs. Speed
A torque sensor on an e-bike is an instrument that measures the pedal force applied by the rider and determines the power required for output. This is important because it determines how much force the motor provides to the wheels.
Electric bikes contain pedal assist sensors that turn on the motor when you pedal without the gas pedal. Torque uses a strain gauge, an advanced pedal assist sensor.
A torque sensor adjusts the power to the motor based on the force applied to the pedals.
It helps save your energy. With the torque sensor, you can climb rough terrain without getting tired and enjoy a smoother ride.
e-bike torque measures rotational force, while speed measures distance traveled over time. By increasing your e-bike torque, you will accelerate faster and reach higher speeds. As you reach higher speeds, your e-bike will have less torque. The torque and speed of an e-bike are inversely proportional. Electric bike torque plays a big role in acceleration. The greater the torque, the greater the acceleration of the e-bike. This is especially true when you start from a complete stop. As your e-bike speed increases, your torque will continually decrease. So when you reach your maximum riding speed, the e-bike’s rotational force will be at its lowest value.
When driving at relatively high speeds, the added torque starts to become less and less important. However, having a high level of e-bike torque is paramount when bringing your e-bike to a complete stop or climbing an incline, but at high speeds, e-bike torque is not so important.
Add a torque sensor to an e-bike
Generally speaking, torque sensors can be installed on electric bicycles. There are various torque sensor kits available for various motors. However, some e-bikes may not have the option to add a torque sensor, so it’s best to check with your e-bike company.
Torque sensors are available on almost all e-bikes. Also, they are compatible with low and high power systems, so you should buy torque sensors based on your e-bike’s motor power.
For different motors, torque sensors provide different maximum torques. Additionally, torque sensors can be added to motors as low as 200W to as high as 1000W.
Torque transducer kits are easy to install and usually include all necessary tools and instructions.
Torque Vs. Cadence Sensor
A torque sensor is better than a cadence sensor. This is because the torque sensor uses more advanced technology. Cadence sensors are found in most basic e-bikes, not higher-end models. Torque and cadence sensors are the two main types of pedal sensors in pedal assist e-bikes. A torque sensor is better than a cadence sensor also because it has incredible advantages. Torque sensing allows for smooth and immediate motor activation, especially after a stop. On the other hand, it’s not a good idea to use a cadence sensor when you’re in an area where stop signs are everywhere. This is because the cadence sensor is a little harder to activate when you start pedaling after a stop. The cadence sensor is more like a switch; it turns on the motor when you start pedaling, and turns off the motor when you stop. On the other hand, the torque sensor determines the power required by the motor and increases/decreases the output. Cadence sensors are cheap, but pedal assist is not as smooth as a torque sensor. Many riders say that the cadence sensor works best with the throttle. However, throttle assist e-bikes are not legal in all states and countries. On the other hand, a torque sensor is expensive, but it gives better and more satisfactory results.