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  1. rsisson

    Been a while - need source

    I was thinking more of having Ping assemble it as a 12v pack... He USED to do lots of custom stuff, and was reasonably priced and good quality. You now can get 12v 10Ah Dakoda Car Batteries for $99 with BMS's and everything built in so I was hoping to get something a bit bigger for similar...
  2. rsisson

    Been a while - need source

    Since I built the Sidekick, and was working on an Electric Geo I have moved several times, and gotten a bit older... Most of my Weekend projects have been donated to various schools, and that hurt a lot.... However, got ONE project left... Camping with toys and gadgets.... Have a 6x10' cargo...
  3. rsisson

    Need 18V ~3Ahr LifePO4 pack & Charger

    Since 18V seems an "odd" voltage, can I just use TWO (2) 9.6v packs in series? That should make the packs standard, and the charger(s) as well... Should be cheaper as I have some 2-packs of 9.6v racing lipo packs CHEAP... Not sure what the Peak current output of a SubC NiCad is...but I am...
  4. rsisson

    Need 18V ~3Ahr LifePO4 pack & Charger

    Looks good, a question or so... 5S makes sense 5A Charger Makes sense Why do I need a 12V Power Supply? Aha... Not charging Directly, have to go 120V>>12V>>Charger...Now it makes sense...sortof.... Might be a bit more of a kludge than I expected... I will look at that a bit more...
  5. rsisson

    Need 18V ~3Ahr LifePO4 pack & Charger

    On something TOTALLY Different... My Cordless Chainsaw has eaten the third and Final 18V Pack I had.... I would like to take one of the Dead packs, put a short cord on it to a wearable pack... BUT... I haven't seen any 18V Packs or Chargers available, and don't really want to build one myself...
  6. rsisson

    NiMh Pack Update

    Well the Side Kick came out of winter storage, the NiMH pack was topped off, and away it went... So I can say that the NiMh pack stored well (off a charger) with no problems... It is from http://www.coloradoadvancedbattery.com/category-s/22.htm and it does exactly what they say it does... I...
  7. rsisson

    Kelly controller Post-Mortum

    After smoking several Crystallite controllers on my PVC-Quad, I tried a Kelly controller and it has survived and has done well. That was the SOLE reason for its inclusion in my final list. Both this board and the EVDL board are full of posts about Kelly's "cutting back" after prolonged use...
  8. rsisson

    Kelly controller Post-Mortum

    That is not a controller I have seen on the lists... I have seen it when I did my searches, but didn't see ANY in use in the 30 or so Geo Metro's that have been converted. It is an expensive controller, and liquid adds a bit more to the price... I also don't want to be Beta plus... The Zilla...
  9. rsisson

    Kelly controller Post-Mortum

    I have been getting closer and closer on my CAR project to where I needed to order a Big Controller... the 144V-650A size.... I had been waffling between Kelly, Zilla, Curtis, Synkromotive, logisystems and a few other Big controllers. Slowly I had eliminated the "Dumb" controllers as I wanted...
  10. rsisson

    Even Newer 4 to 24-cell Battery Management System (BMS)

    What I really want is a "Battery Top Clamp/Shunt" similar to the picture. OR.. A version that would bolt to ONE terminal and have a pigtail to the other to allow for varying size batteries. Each would link to it's brethren with a 4 pin cable and then to link to a "master" controller that gives...
  11. rsisson

    Even Newer 4 to 24-cell Battery Management System (BMS)

    Over of the EVDL list, which is more for Car and Truck type EV's, the chargers of choice are Zivan, Manzanita or Rusco. Depending on your source voltage they are capable of 60 or even 80 amps, so the 30A (.5C) needed for a 60Ahr pack would be easy. I am looking into a "hybrid" system using the...
  12. rsisson

    Even Newer 4 to 24-cell Battery Management System (BMS)

    I took a look at the "Assembly Instruction" which also included the latest schematic.... While the Shunt portion of the BMS looks like it would be fine for the final balancing portion of the charge, I don't think the FET, even with a HeatSink will be even close to handling the Full (bulk)...
  13. rsisson

    Even Newer 4 to 24-cell Battery Management System (BMS)

    Can you put several of these in Series to charge even larger Voltage packs? I am looking at a 40-Cell (120V) pack for an EV car... You also mentioned some mods for larger current packs, but I never saw a follow up on that item? (My target pack is a 120V (40 Cell) 150Ahr Blue Sky Pack)
  14. rsisson

    Curtis Pot Specs?

    I know the Potentiometer that Curtis uses in the ubiquitous PB-6 is an Odd one, like 170deg turn or something... Does someone know the specs so I can try to find a Hall-Effect replacement on mouser or DigiKey ??
  15. rsisson

    Large (CAR) Capacity & Voltage packs??

    I finally have a donor car and am starting the homework for converting to Electric. I would love to see some discussions on LARGE packs as I am looking in the realm of 120V and 100Ahrs... (With a 700lb lead pack this will give me about 20-25mi usable range, but limited cycles...) Prismatic...
  16. rsisson

    Kelly/ifineon.Crystalyte Controller Choice?

    I have been working on other projects and have been away from my Ebike for a while. I have a 3/4's finished Trike I need to finish, but am missing a controller..... I had to put it on the quad when I smoked my THIRD crystalyte The choices SEEM to Be Kelly, Infineon and Crystalyte.... My...
  17. rsisson

    Would adding Super Caps help?

    I am wondering if adding a SMALL bank of SuperCapacitors near the controller/Motor would help "stiffen" battery packs some... I don't know the science, but I am thinking that if the controllers are switching on/off at 12Khz into a purely reactive load, and you only have a resistive source, that...
  18. rsisson

    Warp9 Sep Excited or Series ??

    I am leaning towards the Sep-Ex option for the Regen. Kelly controllers has a twin-controller configuration that supports regen...one controller for the Field and one for the Stator... Thinking I could START with ONE controller (the larger more complex of the two) to get things running (ie...
  19. rsisson

    Warp9 Sep Excited or Series ??

    It looks like I finally will have a donor Vehicle for an EV conversion... A 1999 Toyota Corolla in great shape. Once I find an Adapter plate for a Warp9 motor most of the really hard stuff is done... QUESTION: The Warp-9 although normally wired as a series motor provides access to the Field...
  20. rsisson

    Painless Regeneration

    In the limited time I have been running it I have been averaging about 4%. I may need to lower that a bit as the peak Regen current is a bit high for my Battery pack,,, I hit over 10A on a hill... The MAX current that the controller will try to put back is 20% of the controller rating, in my...
  21. rsisson

    Painless Regeneration

    Brake switch regen is also an option... For my application the throttle based regen is what I wanted... It will do both, with seperate current limits...I really like the Kelly controller...
  22. rsisson

    Painless Regeneration

    After Smoking TWO Crystallyte 4850 Controllers I bought a Kelly 10148 100A 48V Regnerative controller. I cut off the connectors from the old controller and used them to connect to the Kelly... It ran out of the box ! Well no real surprise there after I got all the help on color codes and the...
  23. rsisson

    4-wire throttle Wiring?

    After arguing with it for a while, I put in the 3-wire and said the hell with it, it works... Cycle Analyst works better as a fuel guage anyway...
  24. rsisson

    4-wire throttle Wiring?

    I got my Kelly controller "running"...but in test mode, ie wires everywhere...I want to use my old 4-wire Crystalyte throttle (I like the idiot voltage light) My color codes are weird though... White Yellow Pink/beige Red Looking at the controller I THINK it is... Yellow - SP - Throttle...
  25. rsisson

    High Power Shunt regulator ?

    I am still working two projects, one Small, my "SideKick" which has managed to eat two controllers, two battery packs and lots of other bits... but my long term project is a Battery Powered Real Car...something small like a Geo Metro, Rabbit or Civic Hatchback... to take the place of the...
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