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  1. L

    is powervelocity gone? Looking for a 72V controller...

    Am looking to buy a sinewave ebike controller for my 72V bike (replacing a broken controller). I wanted to buy a 12F powervelocity controller but www.powervelocity.com isn't working?? The site was working before Christmas.... Does anyone know if they have gone out of business? Also does anyone...
  2. L

    BMW battery

    Hey guys, I have access to 4 of these BMW batteries. I think they came out of a BMW i3 but I can't be sure yet. Just seeing if anyone has any information on them? See pics. Cheers, L
  3. L

    Problem with Juiced Riders ODK U500 Version 3

    Hi guys, Here's an issue with a friends bike - it's a Juiced Riders ODK U500 Version 3. I havn't had a look at it in person yet but any thoughts? I've never done any work on a geared motor so I would be grateful for any help. https://vimeo.com/231056670 The motor sounds like it's responding...
  4. L

    Puff of smoke from LIPO battery...

    Hi guys, I have a 20s LIPO battery made up of 10 x 4s Turnigy LIPO batteries 5s2p... I was changing the position of some of the batteries and short circuited 2 of the batteries momentarily... There was a large puff of smoke from one of the LIPO batteries. Do you think it's safe to still use it?
  5. L

    Recommended commercial mid-drive?

    Hi all, I've been asked to recommend a commercially available mid-drive for a man who is nearing retirement age. I'm more familiar with custom bikes so I'm throwing this out to the experts on here :) Basic requirements are: 1) must be road legal - that is 250W max and 36V (I think0 here...
  6. L

    Eaton APR48-3G 1.8kW PSU issue

    I just plugged in my Eaton APR48-3G 1.8kW PSU for the first time and it doesn't seem to be working. It powers on for about 7-8 seconds, then turns off for about 3 seconds, turns back on for 7-8 secs, turns off again for about 3secs.... and repeats for as long as it's plugged in. Also I'm...
  7. L

    HS3540 with CA issue

    HS3540 with Cycle Analyst V3 and Lyen 12FET controller.... Hi guys, This just started to happen out of nowhere today after a few kilometres... See video I've had a look at the wiring and can't see any shorts... Not a peep out of the motor when I'm stationary... But starts to chug when I roll...
  8. L

    Monitoring LIPO battery charge with cycle analyst?

    Hi guys, Until today I was using a custom made cell-log 8m harness to check the state of my cells while charging my LIPO pack (20s2p Lipo). The harness fell out of my bad today and was ran over by a car... I don't have any spare cell-logs right now so I was wondering could I use a 4mm bullet...
  9. L

    Good battery deal?

    Hey guys, Wondering how you'd all rate this deal for the mulitstar lipos (http://www.hobbyking.com/hobbyking/store/uh_viewItem.asp?idProduct=64794&utm_campaign=BS140815UK&utm_content=5799546607&utm_medium=email&utm_source=EDM )when compared to the hardcase 20C version...
  10. L

    A2B Metro Problem...

    Hi guys, A guy has asked me to have a go at fixing his A2B Metro. Video of issue here: https://www.youtube.com/watch?v=YH8oXWoZiYA&feature=youtu.be Any thoughts? I think it might be a phase wire shorting but can't find the problem area....
  11. L

    Frame for 171kg guy...

    Hi guys, A 171kg guy has asked me to build him an ebike. I was going to order a Vector frame for the build but am worried about the strength of the steel.... It's not going to be a high-speed build. He only wants to be able to cruise at 20mph for 100kms. Any thoughts on which frame I should...
  12. L

    Looking for guidance on build

    Hi guys, Have a question for ye... A guy has approached me to build a Vector for him from scratch - I'm sure I could use an alternative similar frame too... He is 171kgs and wants a cruising speed of 20mph, ideally with a range of apporx 100kms. He doesn't want the hassle of a LIPO battery. So...
  13. L

    Bantam estation BC6 dual power charger - for Lipo

    Can get one of these for €80.... Anyone any thoughts on them? http://www.rcheliresource.com/bantam-e-station-bc6-dual-power-acdc-charger/ Cheers
  14. L

    Dell Poweredge 2850 server power supply question

    Hi guys, So I'm looking to finally by a balance charger (still deciding on which one to get) and I'm also looking to buy 2 Dell Poweredge 2850 PSUs to power the charger. Can anyone tell the difference between these...
  15. L

    Looking to buy Balance/Charger and power supply

    Hi guys, I currently only own a bulk charger to charge my 20s2p 82V Lipo Battery (made up of 10 Turnigy Hardpack 4s). I am replacing 2 of the Turnigy 4s packs as there is a cell in each that isn't charging. I have the 2 new Turnigy 4s packs but want to integrate them into my battery properly...
  16. L

    Safe voltage to discharge LIPO Battery too....

    Hi guys, My battery is 82V Lipo 20s2p. Motor is Xlyte HS3540 and I'm using CAV3-DP. What would you recommend my LVC setting to be. Wondering at what voltage I should tell the cycle analyst to stop the bike? Just trying to avoid over discharging the battery pack. Cheers
  17. L

    Recommended LVC?

    Hi guys, My battery is 82V Lipo 20s2p. Motor is Xlyte HS3540 and I'm using CAV3-DP. What would you recommend my LVC setting to be. Wondering at what voltage I should tell the cycle analyst to stop the bike? Just trying to avoid over discharging the battery pack. Cheers
  18. L

    20s2p Lipo with one cell not charging...

    Hi guys, First post here in the Battery Tech end of things :) I have 10 x Turnigy 5AH Hardcase 20C Lipo batteries (4 cells in each) in 20s2p configuration - that's 82V I noticed in the last while that one of the cells isn't charging. When the battery has been used for a good trip (about...
  19. L

    Regen with Lyen12FET and CAV3-DP

    Hey all, So I'm nearing the very end of my build. At the moment I'm trying to get Regen to activate with the 12FET Lyen Extreme Modder Controller. I have the controller version with the external JST connection for regen activation - so this connection is made. I also double checked this...
  20. L

    Lyen Thumb Throttle with Cycle Analyst V3

    Hi guys, I have a thumb throttle which works when plugged directly into my 12FET Lyen controller. When I moved the throttle connections to go straight into the cycle analyst V3 I get nothing from the motor. The throttle graphic on the cycle analyst display moves up and down in response to the...
  21. L

    20" Dahon foldup bike / Lyen 12FET/HS3540/CAV3/82V LIPO

    Hi guys, So after months of ordering and tinkering around with things to do with my build I am finally at the tweaking stage. I will upload pictures soon but just have a few questions about fine-tuning the Cycle Analyst settings.... This is my setup: 20" Dahon Jetstream P8 foldup bike Cycle...
  22. L

    Itching to be electrified

    http://www.adverts.ie/vintage-classic/1939-argson-runnymede/5416829
  23. L

    Blank Cycle Analyst V3 Screen

    Something seems to have gone wrong when I tried to flash my CAV3 with the latest firmware. I was using my Macbook Pro running Parallels with Windows 8.1 to program it. It had worked a few weeks ago (the first time I tried it), but even though the software was seeing the Cycle Analyst and vice...
  24. L

    Thumb Throttle to CAV3 connector...

    Hi all, All is going well with my first build except I need to connect the thumb throttle I got from Lyen to the CAV3. The CAV3 has a female 3 pin connector and there is no male equivalent.... Do I have to cut this connection off and solder the wires from your throttle to the cycle analyst...
  25. L

    Sensored Crystalyte HS3540 + Lyen 12FET Controller

    Hi guys, I know this has been covered in many topics in the past but I've read lots of them and can't find the definitive answer... I am just about to solder up the Hall wires from my HS3540 to my 12FET Lyen Controller. Does anyone know the definitely answer as to what colours connect up...
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