2.2 KiB
open ebike building projects
Table of contents
introduction
this repository documentents the progress to a open hardware ebike. this project include the research on the ebike part market to see what technology is most common and which ne invention are relevant
components
kits
(Bafang 36V 250W Ebike Motor Wheel Electric Bike Conversion Kit 20/26/27.5/700C inch Rear Hub Engine with 22.5Ah Bicycle Battery)[https://www.aliexpress.com/item/32908957618.html?spm=a2g0o.productlist.0.0.124d29abXwvWZC&algo_pvid=629160d2-6c5a-4921-8f98-b1ef6bd79b3a&algo_exp_id=629160d2-6c5a-4921-8f98-b1ef6bd79b3a-44&pdp_ext_f=%7B%22sku_id%22%3A%2212000027049288761%22%7D&pdp_npi=2%40dis%21EUR%21%21406.42%21%21%21%21%21%40210318b916528016675078749e86b6%2112000027049288761%21sea]
Basic Block Diagram of Pedelec Model E-bike
electric-bicycle-electric-motor
motor
hubmotors
https://www.electricbike.com/hubmotors/
Motor Specification (example):
Motor Model: BBS01B Bafang Model: MM G340.250 Power:250W Voltage:36V Controller Current: 15A No Load Speed(RPM) :83-87 Load Speed(RPM):78-83
MAX Torque:80 N.m
Top Speed:28km/h
Efficiency: > 80%
PAS SENSOR : Speed Sensor
Reduction Ratio: 1 : 21.9
Certification: CE/EN 14764/ROHS
Waterproof Grade:IP65
Bracket bottom length:68mm
Operation Temperature:-20-45℃
Waterproof Grade: IP65
Display Working Temperature: -20-80C
gear
power transmission
https://www.elecycles.com/blog/post/how-much-do-you-know-about-the-e-bike-motor-parameters/
battery
charger
controller
(E-bike Charger Reference Design)[https://www.monolithicpower.com/reference-design-electrical-bike]
controller board
