显示标签为“bike kit”的博文。显示所有博文
显示标签为“bike kit”的博文。显示所有博文

2012年7月24日星期二

20 inch hub motor conversion kit for electric bike

Q: I have looked at your leaf motor and want to buy one bike kit includes hub motor wheel, BLDC motor controller and twist grip throttle. I am looking at a 20 inch wheel with 1000 Watt hub motor, but I think that one may not be enough to handle the load. I am looking to build a three wheeled vehicle and look at the possibility that I may need to power 2 or all 3 of the BLDC hub motor wheels to achieve my goals. I am thinking of building two or three of these three wheeled vehicles. What can you do to help? A: Thanks for you are interested in electric bike conversion kit . For my personal idea, use a 20" 1000w brushless hub motor to convert a front wheel, front drive is much better. If possible, order two sets of 20" 1000w BLDC hub motors with one high power brushless motor controller to convert two rear wheels - rear drive. It’s no problem with forward and reverse. But when you turn left or turn right, you will get a little trouble. Only under much lower speed can turn left or right. Convert two wheels that is enough. If you always ride on flat road, only convert one front wheel. Q: I was thinking the 20 inch 1000 Watt bike conversion kit as exampled. What I had vision was to use 3 BLDC motor controllers, but using one on front and one larger for the 2 rear hub motor wheels may make things easier. For turning it is easy to not worry about differential control on the rear wheels, such as turn radius larger than 5 M differential on the rear wheels is not consequential as centerline width is app 720 mm. It would be very easy to turn the inside wheel off by disconnect, or turn the rear drive off all together and let the front wheel do the deep turning. So what I need is real pricing for three sets of bike conversion kits includes three BLDC hub motors, two BLDC motor controllers. One 1000 W for front, and the other 2000 W for the two rear hub motor, or what is possible to have one 3000 watt drive to run three brushless hub motors? Please note that the vehicle will need a lot of power to traverse some of the steep ramps and terrain. It seems that the 1000 W hub motor seems to have app 17 Nm torque and that would mean that three would have just enough torque to carry the load. A: We suggest you order below bike conversion kits : 1.3 sets of 20" 48V 1000W hub motors (one for front, the other two for rear hub motor) 2.1 set of 48V 1000W LCD BLDC motor controller to drive front wheel, LCD display speed, battery gauge. 3.1 set of 48V 2000W brushless motor controller to drive two rear wheel 4.2 set of thumb throttle, one of left side to control front wheel, the other on right side to control right wheel(when turning, loose right side throttle, just twist left side thumb throttle) 5.1 set of brake lever to control three controller, when press lever, all of three controller will cut off power 6.1 set of three button switch used to control reverse, horn, lights Hub motor, BLDC motor, bike kit, bike conversion kit supplier: Leaf Motor Technology Co., Ltd Website:https://www.leafmotor.com

2012年6月17日星期日

2000w electric bike hub motor kit for e-motorcycle

2000w electric bike hub motor kit for e-motorcycle Q: I am going to build an electric motorcycle prototype in Russia , I am looking for electric bike kit parts with bike motor and lithium battery. A: How many motorcycle motors would you like? If just need 1-2 sets of hub motor sample. The shipping fee to Russia by air or express is too expensive. Q: I first need one set of hub motor kit for test. It’s okay for the shipping price. I also can arrange the shipping. I need bike motor controller. What’s the top speed of 20 inch 48V 2000W hub motor and 24 – MOSFET bike motor controller? What’s the peak watts for this hub motor? What’s the peak ampere current for this 24 – MOSFET bike motor controller? What’s the FOB price for 200 sets of bike kit (hub motor & bike motor controller)? What’s the warranty time? A: 20" 2000w bike kit (48V 2000W hub motor with 24-MOSFET bike motor controller) 1. Top speed:70km/h 2. Peak watts for this hub motor:2500W (Work at 48V,bike motor controller is limited current:60A) 3. This 24-MOSFET bike motor controller, peak ampere:60A 4. $380USD/set (ONLY this hub motor with 4.00-12" tire and controller) FOB Shanghai. 5. ONE Year warranty. The price for 1 set of sample (hub motor & bike motor controller) is 693USD, not including shipping fee. About hub motor performance and bike motor controller, we can customize as your order. Q: Could you make custom this hub motor and bike motor controller peak current 100a-120a? Is the wheel of this hub motor is 20 inch? What is the hub motor speed on 1000W? A: Customize 120a bike motor controller is okay. But it cost more. After install 4.00-12” tire, the diameter of hub motor tire is 51cm. That’s 20 inch wheel. Hub motor speed is about 58km/h on 1000w. After packing this bike kit ( hub motor + bike motor controller + throttle + brake lever + switch ) is 18.7kgs. Q: This hub motor on 2000W: the 2000w is the continuous watts power? What’s the peak watts power for this hub motor? Could this hub motor be installed 180mm disc brake? A: Peak watts for this hub motor: 2500W (Work at 48V, bike motor controller is limited current:60A)If work at 48V 100A bike motor controller, it can reach max 3000W. This hub motor can work at 48V-72V. We can make this hub motor with disc brake. But maybe only 200mm disc brake for this hub motor. Hub motor, bike kit, bike motor supplier: Leaf Motor Technology Co., Ltd Website:https://www.leafmotor.com

2012年5月13日星期日

How to build a geared hub motor for bike kit

These days 250w hub motor wheels are popular with European. Nearly all of hub bike motor are brushless geared. Because there are several gears inside hub. It has more powerful than 250w brushless geared motor. Order 1 set 12" 14" 16" 18" 20" 24" 26" 700c 28" inch hub motor bike kit , convert your common bike to e-bike is so easy. Directly front or rear drive your bike. The important part is an engine -hub motor. How to build this? There are some differences with brushless gearless hub motor. Step 1: winding Calculate motor power, speed RPM and confirm what type of copper wire would you use, wind copper wires by handwork or machine, each notch should be separated by insulating paper so that not shot circuit between the coil. It takes about 1 hour to done it by handwork. And should use rubberized fabric to wrap your fingers. Nipping copper wires will break your fingers. Step 2: fix axis into motor Put axis into rotor winding and use a key to fix axis. Use A-B glue to paste three hall sensors on hub motor rotor, put 9-pin (three pin/each hall) into PCB and use insulated wire to fix it. Put 8-pin cable inside the axis and heavy yellow, blue, green wires to connect the three copper wires(Phase A,B,C) separately. Thin red, black wires are be weld to PCB + and - . Step 3:soak paint After winding should soak paint in order to be insulated. Use brush to put the insulated paint on the winding and make sure be soaked everywhere. It takes about 24 hours. Step 4:press gear into hub Use presser to press steel 90-gear into hub. This hub with one side cover. Step 5:fix three gears Use retainer ring and key to fix three white nylon gears on one steel 21-gear. Step 6:fix magnet Fix magnet inside the hoops. Step 7:install rotor winding into this magnet hoops. Step 8:install there gears on the axis of this rotor winding and put inside of hub with 90-gears. Step 9:install the other cover. Use screw driver to tight screw nuts. Done it. Power on battery and use bldc motor controller to drive this hub motor. If no any strange noise. It's okay.Then according as the size of your bike to fit this geared spoke hub motor to 20" 24" 26" 700c 28" inch bike kit wheel. Hub motor, bike kit, bike motor supplier: Leaf Motor Technology Co., Ltd Website:https://www.leafmotor.com