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Last post

battery with one cell down => cell or BMS problem ?

Last post by eMark « Aug 08 2022 4:50pm
Posted in Battery Technology
Replies: 14
by bruno_mac_douglas » Aug 07 2022 4:38am » in Battery Technology

14 Replies

169 Views

Last post by eMark
Aug 08 2022 4:50pm
Legends dropping like flies

Last post by ZeroEm « Aug 08 2022 4:48pm
Posted in General Discussion
Replies: 514
by e-beach » Oct 25 2014 11:11pm » in General Discussion
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82675 Views

Last post by ZeroEm
Aug 08 2022 4:48pm
my "desktop machine shop"

Last post by jimmyhackers « Aug 08 2022 4:36pm
Posted in Members' Hobbies and Interests
Replies: 7
by jimmyhackers » Jun 12 2022 6:08am » in Members' Hobbies and Interests

7 Replies

244 Views

Last post by jimmyhackers
Aug 08 2022 4:36pm
Looking for advice on converting an Electra Townie

Last post by nicobie « Aug 08 2022 4:35pm
Posted in EBike General Discussion
Replies: 7
by narselon » Aug 06 2022 12:54pm » in EBike General Discussion

7 Replies

125 Views

Last post by nicobie
Aug 08 2022 4:35pm
Chevy Bolt first drive

Last post by ZeroEm « Aug 08 2022 4:34pm
Posted in Large EV General Discussion
Replies: 252
by speedmd » Jan 07 2016 11:06am » in Large EV General Discussion
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252 Replies

42373 Views

Last post by ZeroEm
Aug 08 2022 4:34pm
1000 watt hours per side.

Last post by nicobie « Aug 08 2022 4:17pm
Posted in Battery Technology
Replies: 61
by DogDipstick » Jul 25 2022 8:34pm » in Battery Technology
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61 Replies

1318 Views

Last post by nicobie
Aug 08 2022 4:17pm
Ford model T conversion

Last post by ZeroEm « Aug 08 2022 3:57pm
Posted in Large EV General Discussion
Replies: 13
by carpenterterry09 » Apr 06 2022 3:03am » in Large EV General Discussion

13 Replies

926 Views

Last post by ZeroEm
Aug 08 2022 3:57pm
torque arm picture thread

Last post by Chalo « Aug 08 2022 3:51pm
Posted in EBike Technical
Replies: 212
by auraslip » Mar 28 2011 10:00pm » in EBike Technical
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66758 Views

Last post by Chalo
Aug 08 2022 3:51pm
my ebike stops suddenly ! the voltage signal drops and stops ? my ebike is 72 v 20A and now the voltage out is 78.

Last post by medimax « Aug 08 2022 3:50pm
Posted in EBike Troubleshooting
Replies: 6
by medimax » Aug 03 2022 3:14am » in EBike Troubleshooting

6 Replies

150 Views

Last post by medimax
Aug 08 2022 3:50pm
Bicycle Chain: Stupid Questions

Last post by LewTwo « Aug 08 2022 3:37pm
Posted in EBike Technical

by LewTwo » Aug 08 2022 3:37pm » in EBike Technical

0 Replies

16 Views

Last post by LewTwo
Aug 08 2022 3:37pm
My first ebike build: custom-built KMX-based electric velomobile

Last post by ZeroEm « Aug 08 2022 3:35pm
Posted in EBike Build Threads
Replies: 135
by The Toecutter » Feb 05 2021 12:59am » in EBike Build Threads
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135 Replies

10486 Views

Last post by ZeroEm
Aug 08 2022 3:35pm
Upgrade brakes and running shifter cable under Tongsheng mid drive motor

Last post by Chalo « Aug 08 2022 3:19pm
Posted in Bike Mechanical & Structural
Replies: 54
by scrolltonowhere » Apr 25 2022 12:47pm » in Bike Mechanical & Structural
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54 Replies

2134 Views

Last post by Chalo
Aug 08 2022 3:19pm
4WD Electric Scooter

Last post by Steeltrap « Aug 08 2022 3:19pm
Posted in EScooters/EMotorcycles

by Steeltrap » Aug 08 2022 3:19pm » in EScooters/EMotorcycles

0 Replies

13 Views

Last post by Steeltrap
Aug 08 2022 3:19pm
tsdz2 bearings for nylon gear

Last post by pxl666 « Aug 08 2022 3:14pm
Posted in EBike Non-hub Motor Drives
Replies: 3
by pxl666 » Aug 08 2022 3:33am » in EBike Non-hub Motor Drives

3 Replies

58 Views

Last post by pxl666
Aug 08 2022 3:14pm
Please recommend proper grease for this

Last post by 999zip999 « Aug 08 2022 3:08pm
Posted in EBike General Discussion
Replies: 25
by ebike11 » Jul 23 2022 2:04am » in EBike General Discussion
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25 Replies

746 Views

Last post by 999zip999
Aug 08 2022 3:08pm
Programming APT AE96600 controller (update: NOT recommended, unstable program)

Last post by harrisonpatm « Aug 08 2022 2:58pm
Posted in EBike Technical
Replies: 271
by larsb » Oct 31 2018 12:41pm » in EBike Technical
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271 Replies

43317 Views

Last post by harrisonpatm
Aug 08 2022 2:58pm
Spoke sizing help

Last post by Oldie « Aug 08 2022 2:07pm
Posted in Bike Mechanical & Structural
Replies: 3
by Oldie » Aug 08 2022 5:54am » in Bike Mechanical & Structural

3 Replies

52 Views

Last post by Oldie
Aug 08 2022 2:07pm
When is a transmission /reduction gearing appropriate?

Last post by CFECO « Aug 08 2022 1:34pm
Posted in EBike Technical
Replies: 15
by Boy Scout » Feb 26 2022 1:12am » in EBike Technical

15 Replies

392 Views

Last post by CFECO
Aug 08 2022 1:34pm
Bafang system display boot issue

Last post by Denis Heidtmann « Aug 08 2022 12:37pm
Posted in EBike Troubleshooting
Replies: 2
by Denis Heidtmann » Aug 06 2022 10:18pm » in EBike Troubleshooting

2 Replies

55 Views

Last post by Denis Heidtmann
Aug 08 2022 12:37pm
speedometer reads 0 when not pedaling

Last post by E-HP « Aug 08 2022 12:04pm
Posted in EBike Technical
Replies: 12
by rocketman58 » Aug 06 2022 5:29pm » in EBike Technical

12 Replies

157 Views

Last post by E-HP
Aug 08 2022 12:04pm
KT motor controllers -- Flexible OpenSource firmware for BMSBattery S/Kunteng KT motor controllers (0.25kW up to 5kW)

Last post by stancecoke « Aug 08 2022 11:37am
Posted in Motor Technology
Replies: 4855
by casainho » Apr 25 2017 8:37pm » in Motor Technology
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4855 Replies

517928 Views

Last post by stancecoke
Aug 08 2022 11:37am
Mc Murtry Speirling.. EV hillclimb record car

Last post by Hillhater « Aug 08 2022 11:35am
Posted in Large EV General Discussion
Replies: 2
by Hillhater » Aug 08 2022 6:03am » in Large EV General Discussion

2 Replies

38 Views

Last post by Hillhater
Aug 08 2022 11:35am
KTM 200 exc goes electric

Last post by speedy1984 « Aug 08 2022 11:30am
Posted in EScooter/EMotorcycle Build Threads
Replies: 275
by j bjork » Dec 19 2019 12:04pm » in EScooter/EMotorcycle Build Threads
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275 Replies

55949 Views

Last post by speedy1984
Aug 08 2022 11:30am
EasyDIY OpenSource display for EVs: TSDZ2 and Bafang M500/M600 EBike motors

Last post by casainho « Aug 08 2022 11:29am
Posted in E-Vehicles General Discussion
Replies: 185
by casainho » Nov 05 2021 7:15am » in E-Vehicles General Discussion
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9804 Views

Last post by casainho
Aug 08 2022 11:29am
what does limit the speed: motor or controller?

Last post by martinaL « Aug 08 2022 10:58am
Posted in Motor Technology

by martinaL » Aug 08 2022 10:58am » in Motor Technology

0 Replies

16 Views

Last post by martinaL
Aug 08 2022 10:58am
Motor/controller suggestions for Yamaha XT225 conversion

Last post by JRP3 « Aug 08 2022 10:47am
Posted in EScooters/EMotorcycles
Replies: 35
by JRP3 » Jul 01 2022 9:44am » in EScooters/EMotorcycles
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35 Replies

1035 Views

Last post by JRP3
Aug 08 2022 10:47am
Damaged cell

Last post by eMark « Aug 08 2022 10:16am
Posted in Battery Technology
Replies: 3
by jai134 » Aug 07 2022 11:22pm » in Battery Technology

3 Replies

55 Views

Last post by eMark
Aug 08 2022 10:16am
Precharge resistors

Last post by fechter « Aug 08 2022 10:04am
Posted in EBike General Discussion
Replies: 25
by ebike11 » Aug 04 2022 8:47pm » in EBike General Discussion
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25 Replies

383 Views

Last post by fechter
Aug 08 2022 10:04am
Please Help Suggest a Cell for my eBike Business

Last post by Diggs « Aug 08 2022 9:53am
Posted in Battery Technology
Replies: 3
by Marlz » Aug 08 2022 3:31am » in Battery Technology

3 Replies

60 Views

Last post by Diggs
Aug 08 2022 9:53am
Large homemade scooter

Last post by Scootdan « Aug 08 2022 9:51am
Posted in EScooter/EMotorcycle Build Threads
Replies: 50
by Scootdan » Mar 22 2022 5:40pm » in EScooter/EMotorcycle Build Threads
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50 Replies

2657 Views

Last post by Scootdan
Aug 08 2022 9:51am
ordered a new laptop $99 and new os for my old pc? post 3; Had to add RAM.

Last post by Matt Gruber « Aug 08 2022 9:20am
Posted in General Discussion
Replies: 9
by Matt Gruber » May 30 2022 1:52pm » in General Discussion

9 Replies

435 Views

Last post by Matt Gruber
Aug 08 2022 9:20am
I made a 52V battery but it’s cutting out @ 51v ?

Last post by Diggs « Aug 08 2022 8:41am
Posted in EBike Troubleshooting
Replies: 3
by Pskin132 » Aug 06 2022 4:38pm » in EBike Troubleshooting

3 Replies

81 Views

Last post by Diggs
Aug 08 2022 8:41am
Burned the fuse in battery

Last post by Diggs « Aug 08 2022 8:25am
Posted in EBike Troubleshooting
Replies: 16
by E-driver_ » Aug 05 2022 5:08am » in EBike Troubleshooting

16 Replies

228 Views

Last post by Diggs
Aug 08 2022 8:25am
Marlin 5 diy ebike gearing questions for top speed pedalling

Last post by E-HP « Aug 08 2022 8:23am
Posted in Bike Mechanical & Structural
Replies: 6
by ManBroSON » Aug 06 2022 5:17pm » in Bike Mechanical & Structural

6 Replies

143 Views

Last post by E-HP
Aug 08 2022 8:23am
Electrifying a Lance Cali Classic 125 (Honda Joker Clone)

Last post by SlowCo « Aug 08 2022 6:47am
Posted in EScooters/EMotorcycles
Replies: 1
by Higherwire » Aug 07 2022 11:59am » in EScooters/EMotorcycles

1 Replies

52 Views

Last post by SlowCo
Aug 08 2022 6:47am
wr250f conversion

Last post by dougf « Aug 08 2022 5:52am
Posted in EScooter/EMotorcycle Build Threads
Replies: 96
by dougf » Mar 26 2022 12:33am » in EScooter/EMotorcycle Build Threads
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96 Replies

5303 Views

Last post by dougf
Aug 08 2022 5:52am
Just scored a 20 yo Giant Lafree Twist Lite

Last post by theabsurdman « Aug 08 2022 5:48am
Posted in EBike General Discussion
Replies: 6
by theabsurdman » Aug 07 2022 10:37am » in EBike General Discussion

6 Replies

121 Views

Last post by theabsurdman
Aug 08 2022 5:48am
TORQUE

Last post by BalorNG « Aug 08 2022 5:39am
Posted in Bike Mechanical & Structural
Replies: 2
by madmaxx151 » Aug 07 2022 10:00pm » in Bike Mechanical & Structural

2 Replies

66 Views

Last post by BalorNG
Aug 08 2022 5:39am
mario ebike 48v 750w hub with Julet Z916 conector, replacment parts dont work

Last post by hansolo_uk « Aug 08 2022 5:20am
Posted in EBike Troubleshooting

by hansolo_uk » Aug 08 2022 5:20am » in EBike Troubleshooting

0 Replies

23 Views

Last post by hansolo_uk
Aug 08 2022 5:20am
Bafang M400 G330.250 Configuration

Last post by Drum « Aug 08 2022 4:30am
Posted in EBike Non-hub Motor Drives
Replies: 20
by Cupraatjesmaker » Feb 20 2019 10:22am » in EBike Non-hub Motor Drives

20 Replies

16438 Views

Last post by Drum
Aug 08 2022 4:30am
World's most efficient wind turbine?

Last post by Cephalotus « Aug 08 2022 4:27am
Posted in Alternative Energy
Replies: 36
by Generator » Oct 03 2021 10:48pm » in Alternative Energy
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36 Replies

2280 Views

Last post by Cephalotus
Aug 08 2022 4:27am
Question about regenerative braking

Last post by Captain « Aug 08 2022 4:10am
Posted in EScooters/EMotorcycles

by Captain » Aug 08 2022 4:10am » in EScooters/EMotorcycles

0 Replies

20 Views

Last post by Captain
Aug 08 2022 4:10am
BBSHD-FW: Open Source Firmware for BBSHD Motor Controller

Last post by danielnilsson9 « Aug 08 2022 4:03am
Posted in EBike Non-hub Motor Drives
Replies: 17
by danielnilsson9 » Jul 28 2022 10:20am » in EBike Non-hub Motor Drives

17 Replies

1469 Views

Last post by danielnilsson9
Aug 08 2022 4:03am
Science of cycling still largely mysterious. No one knows why bikes stay upright

Last post by BalorNG « Aug 08 2022 3:47am
Posted in EBike General Discussion
Replies: 18
by Enkidu » Jul 20 2022 9:53pm » in EBike General Discussion

18 Replies

681 Views

Last post by BalorNG
Aug 08 2022 3:47am
What's the ideal ebike workstand for heavy hub motors?

Last post by ClintBX « Aug 08 2022 3:26am
Posted in EBike General Discussion
Replies: 16
by ClintBX » Aug 05 2022 3:46am » in EBike General Discussion

16 Replies

278 Views

Last post by ClintBX
Aug 08 2022 3:26am
Any reason to buy a Classic Trap controller versus an FOC controller anymore?

Last post by mxlemming « Aug 08 2022 2:23am
Posted in EBike Technical
Replies: 10
by CONSIDERABLE SHOUTING » Aug 03 2022 6:19am » in EBike Technical

10 Replies

275 Views

Last post by mxlemming
Aug 08 2022 2:23am
Throttle lag - Sabvoton 72150 & CA V3

Last post by MartyMcfly1 « Aug 08 2022 2:22am
Posted in EBike Troubleshooting
Replies: 2
by MartyMcfly1 » Aug 07 2022 5:01pm » in EBike Troubleshooting

2 Replies

54 Views

Last post by MartyMcfly1
Aug 08 2022 2:22am
Battery switch position ? positiv/negativ, before/behind bms

Last post by Sparfuchs « Aug 08 2022 2:16am
Posted in Battery Technology
Replies: 5
by Sparfuchs » Aug 07 2022 3:31am » in Battery Technology

5 Replies

104 Views

Last post by Sparfuchs
Aug 08 2022 2:16am
Motor comparisons [CA120 et al.]

Last post by sauerpower « Aug 08 2022 1:35am
Posted in Motor Technology
Replies: 426
by Miles » Aug 30 2012 3:03am » in Motor Technology
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426 Replies

47969 Views

Last post by sauerpower
Aug 08 2022 1:35am
Just Bought a Nissan Leaf With a Pretty Bad Battery

Last post by marcexec « Aug 08 2022 12:23am
Posted in Large EV General Discussion
Replies: 16
by Braddudya » May 23 2022 10:00am » in Large EV General Discussion

16 Replies

990 Views

Last post by marcexec
Aug 08 2022 12:23am

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