Boulter EV
10 mW
- Joined
- Jan 6, 2017
- Messages
- 31
Hello Everybody. After years of looking at ES forums, I thought it was high time I actually started to write my own things.
I'd like to share with you my project. Its something that is actually nearing completion, but I will upload photos and updates over the next few months.
My own project is really close to many of your projects that I've seen over the years. Its a combination of motorcycle sized propulsion systems with a bicycle inspired frame and components to keep the weight down.
Here is a summary:
Weight: ~40kg
Top Speed: 30mph (limited so it fits in 50cc class)
Motor: LMC LEM-130 95S
Battery: 2.5kwh usable (90% DOD)
Cells: LG 18650 HG2
Pack Configuration: 14S 19P
Battery Pack Design and Construction: Proprietary
Controller: Sigmadrive PMT425S
BMS: Potenza (proprietary)
Bus: Low Speed CAN
Frame/Swing Arm/Rear Hub/Seat etc: Proprietary
Other features: Single Action Removable Battery Pack.
Battery Pack Weight (inc. BMS, Contactor etc): 16kg
As I said above, the project is nearing completion. It has VOSA MSVA and is registered.
I will attach a CAD model screen grab and over the next few weeks I can take you through all of my battery development and the challenges I have wrestled with in case they are of use/interest to anyone, after all, much of my fundamental learning has come from here!
I'd like to share with you my project. Its something that is actually nearing completion, but I will upload photos and updates over the next few months.
My own project is really close to many of your projects that I've seen over the years. Its a combination of motorcycle sized propulsion systems with a bicycle inspired frame and components to keep the weight down.
Here is a summary:
Weight: ~40kg
Top Speed: 30mph (limited so it fits in 50cc class)
Motor: LMC LEM-130 95S
Battery: 2.5kwh usable (90% DOD)
Cells: LG 18650 HG2
Pack Configuration: 14S 19P
Battery Pack Design and Construction: Proprietary
Controller: Sigmadrive PMT425S
BMS: Potenza (proprietary)
Bus: Low Speed CAN
Frame/Swing Arm/Rear Hub/Seat etc: Proprietary
Other features: Single Action Removable Battery Pack.
Battery Pack Weight (inc. BMS, Contactor etc): 16kg
As I said above, the project is nearing completion. It has VOSA MSVA and is registered.
I will attach a CAD model screen grab and over the next few weeks I can take you through all of my battery development and the challenges I have wrestled with in case they are of use/interest to anyone, after all, much of my fundamental learning has come from here!