Endless Sphere DIY EV Forum

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Forum Rules and Features

Rules posts, announcements, general forum business
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135
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3,380
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135
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3,380
9
New rule against AI use on ES
  • 99t4

ES Knowledgebase

Everything about the ES knowledgebase
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6
Messages
143
Threads
6
Messages
143
neptronix
KB or Sticky

Electric Bicycles

Bike Mechanical & Structural

Repair, design, and customization of the bicycle itself
Threads
551
Messages
7,617
Threads
551
Messages
7,617
PaPaSteve
Boom quick release levers for Terratrike Rambler 24

EBike General Discussion

General Discussion about electric bicycles.
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21,022
Messages
345,413
Threads
21,022
Messages
345,413
E-HP
How often do "green light" ebike chargers fail?
  • E-HP

EBike Technical

Get all your technical information about ebikes here.
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17,372
Messages
219,130
Threads
17,372
Messages
219,130
M
Controller upgrade help for REI Gen E1.2

EBike Troubleshooting

Yer bike busted? tell us all about it here.
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1,824
Messages
15,677
Threads
1,824
Messages
15,677
amberwolf
Help with Bafang Hub Motor

EBike Mid Drives & Other Drives

Non-hub motors; R/C motors, mid drive, roller, and geared drives.
Threads
5,367
Messages
149,844
Threads
5,367
Messages
149,844
J
Motor to Wheel Gear Reduction

EBike Reviews & Testing

Real world experience and feedback on ebike products.
Threads
793
Messages
26,416
Threads
793
Messages
26,416
A
My Bafang Ultra Mountain Bike! Frey AM1000

EBike Build Threads

Show off your Ebike creation here.
Threads
3,388
Messages
120,423
Threads
3,388
Messages
120,423
neptronix
Mini Hiryuu v2

EBike Electronics Hacking

Discussions about liberating prebuilt bikes from artificial restrictions
Threads
5
Messages
159
Threads
5
Messages
159
F
Tons of dead, 1-2 year old prebuilt EVs out there

Electric Scooters / Motorcycles

Stand-up EScooter/ESkateboards

Lightweight / Folding / Portable EVs - seats optional
Threads
2,628
Messages
38,591
Threads
2,628
Messages
38,591
S
CA3 vs Superharness (with EggRunner screen)

EScooters/EMotorcycles

General Discussion about large electric scooters and motorcycles and other things with no pedals.
Threads
2,034
Messages
32,399
Threads
2,034
Messages
32,399
casainho
Fiido Q1S 5kW dual motor: VESC + modular DIY OpenSource electronics and software

EScooter/EMotorcycle Build Threads

Show off your E-Scooter or Motorcycle creation here.
Threads
495
Messages
14,520
Threads
495
Messages
14,520
amberwolf
Unknown bar switch function

Large / Other EVs

Large EV General Discussion

Electric cars, trucks, ATVs, NEVs - things bigger than a motorcycle.
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845
Messages
10,689
Threads
845
Messages
10,689
M
Bode Industries MC245 Electric Quad 60V

Electric Aircraft

Things that fly
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247
Messages
3,151
Threads
247
Messages
3,151
amberwolf
3D printed 400mm EDF project

Electric Watercraft

Boats, Jet Skis, Kayaks etc., including hovercrafts
Threads
292
Messages
4,547
Threads
292
Messages
4,547
RIPPERTON
RIPPY CAT

Electric Technology Discussion

E-Vehicles General Discussion

General Discussion about electric vehicles.
Threads
3,071
Messages
38,592
Threads
3,071
Messages
38,592
marce002
Votol Controller motor spins fine free but low torque when load

Battery Technology

Batteries, Chargers, and Battery Management Systems.
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14,973
Messages
231,966
Threads
14,973
Messages
231,966
E-HP
Why my battery pack lasts only a few months?
  • E-HP

Motor Technology

Electric Motors and Controllers
Threads
3,912
Messages
90,530
Threads
3,912
Messages
90,530
N
BLDC Outrunner Over-Voltage

EV Business World

Topics related to EV businesses
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459
Messages
7,836
Threads
459
Messages
7,836
neptronix
The age of cheap Chinese stuff is ending in the USA? [includes politics, but shouldn't]

Alternative Energy

Solar, wind, hydro and other non-fossil sources of electricity.
Threads
504
Messages
5,829
Threads
504
Messages
5,829
riding_on
We are saved !

Technical Reference Area

Archive of useful information; not a discussion area.
Threads
79
Messages
2,429
Threads
79
Messages
2,429
Botvink
Simple Power Mosfet - (use as a reliable switch)

Online Market

Items for Sale - New

Place for dealers to post items for sale.
Threads
399
Messages
14,080
Threads
399
Messages
14,080
A
QSMOTOR,0.5-12kW Electric Hub Motor & Mid Drive Motor Manufacture China
  • AdR

Items for Sale - Used

Got parts that need a good home? Post it here and see if anyone else is searching for it!
Threads
673
Messages
3,081
Threads
673
Messages
3,081
B
Lectric 2.0

Items Wanted

Looking for something? Post what you need, maybe others will have one!
Threads
350
Messages
1,248
Threads
350
Messages
1,248
fechter
Where can I find a yk31 36v 1000w controller from please I'm trying to fix my little lads quad but haven't had any luck in finding 1 I keep seing yk31

Help wanted & offered

Post jobs, work offers, etc... whether they be a one-time gigs, full employment, or something in between.
Threads
105
Messages
471
Threads
105
Messages
471
fill
Looking for someone to work on my ew36 3 wheel scooter

Vendor Relations Corner

Good or bad experience with a vendor? This is the place to discuss! READ THE RULES BEFORE POSTING!
Threads
170
Messages
2,076
Threads
170
Messages
2,076
neptronix
board caught fire and company told me to "throw it in trash"

Resources & EV Related Parts and Services

A place to list links to sources for EV related parts and services.
Threads
107
Messages
1,010
Threads
107
Messages
1,010
M
32700 LiFePO4 cells in EU

The Biker Bar

General Discussion

Talk about anything and everything here within reason.
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6,671
Messages
99,959
Threads
6,671
Messages
99,959
The fingers
Just had an earthquake in Los Angeles

Polls & Surveys

Get the forum community involved in polls and surveys.
Threads
316
Messages
6,100
Threads
316
Messages
6,100
amberwolf
DIY electronics under "EBike Electronics Hacking"

EVents

Use this forum to post up events, rally, conventions, get-together, etc. for anything related to the e-vehicle world (e-bike, car, motorcycle, etc).
Threads
412
Messages
6,560
Threads
412
Messages
6,560
neptronix
CABDA Bicycle convention, March 26/27, Las Vegas

Members' Hobbies and Interests

For discussing our other related, and not so related hobbies/interests.
Threads
36
Messages
1,601
Threads
36
Messages
1,601
amberwolf
Amberwolf's Music Studio Technical Stuff

Off Topic Discussions

This area may contain offensive posts or controversial topics. Hot topic items like religion and politics can be discussed only if they are objective and respectful.
Threads
272
Messages
38,722
Threads
272
Messages
38,722
The fingers
Forest Fires 🔥

The Dumpster

Dive into the dumpster for posts we found too foul to retain. Kept for reference, but regularly emptied.
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20
Messages
706
Threads
20
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706
neptronix
Avoid " F I R E" - A little knowledge can save your life

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