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  1. bigisland

    Balance plug connections for 12S with Htperion 1420

    When charging a 12s 3p Lipo battery pack on the 1420i charger you have the two sets of three 6s balance leads that are paralleled together. So when plugging in the two 6s plugs into the charger, How do you know which plug goes in which charger port, or does it not matter? Thanks
  2. bigisland

    Over Volting Motors

    I have been looking at endless sphere for LEV info but now have a question about DC motors for another application that I thought I probably could get some help with here. I am looking to run a sprayer pump motor that is a 12v motor, I am looking into batteries for this and am wondering If I...
  3. bigisland

    What type of conector is this?

    I want to buy the mating connectors for these turngy batterys. What exactly is it, does any have a link to it? and what type of connector is on the balance wire? Thanks
  4. bigisland

    Using Plastic insullated common wire

    Why do people buy the silicone wire from HK to get the flexibility and may be uv resistant? What about the regular electrical wire used for wiring buildings.
  5. bigisland

    Freewheel Chain Derailieur Combinations ?

    Stock bike has Shimano 8speed casset free wheel. Heard that rear motor hub BMC V2t will only accomodate up to a 6speed with out spreading frame. So does any one know if there are any freewheels that are as narrow as the 6 speed but have the sprocket spacing of the 8 speed. (I dont care how...
  6. bigisland

    What do you think of this type of toqure arm

    I have seen this style torque arm on some thread here on ES and am wondering weather it is a good design? Its a steel plate, for an aluminum frame, it has that tang that prevents it from rotating . (along with rack/fender bolts) Questions I had are slots ok as opposed to a double D hole for...
  7. bigisland

    Lipo for Dummies part II

    Ok so I know what KFF are and now I'm movin on to the real deal! Wondering about a few things on these battery set ups, see drawings for questions. How much do you need to be concerned with sparking when unplugging your pack from the main harness ( wiil it just damage your connector, whats the...
  8. bigisland

    How do you calculate how fast a charger will work

    I am wondering how to calculate how fast chargers will charge batteries based on their rated wattage. For example if you have two strings , each made of two 6s 5000mah packs in parallel and then you put these on a 6s charger of 250W or 350W or 500W. Also what if you did them in series on a...
  9. bigisland

    Where can you buy Pre made 123 battery packs

    I looking for on for an e bike , I have heard Cell man sells them. Are there any other sources? Thanks
  10. bigisland

    Any where else to buy big Lipo packs other Than HK

    I'm looking to buy six larger lipo pacs, some thing in the area of 6S 5ah. HK seems to have a lot of the out of stock. I have Googled looking for other places to buy but haven't found any suppliers. Does any one know of other suppliers? How quickly does HK get things back in stock? Thanks
  11. bigisland

    Any body know of any wheel building threads

    Was looking if there were and wheel building threads on ES specific to hub motors? Thanks
  12. bigisland

    Charger Recomendations for these lipo sub packs

    If I were to be using an overall lipo barrery pack of 3P 2S 15Ah And I planed to break this down into two sub packs of 3P 1S. That I would unplug from the bike individually to charge. (don't think I want to charge on bike, planning on putting packs in Panniers so have to break in two) This...
  13. bigisland

    44 or 48 volts ????

    I am thinking of running a BMC V2t hub and wondering what differences in performance I will see at these two voltages? Thanks
  14. bigisland

    Oppinions On Using Saddle Panniers For Lipo

    Any body Using Saddle Panniers for their lipo batteries? Hows it working out? How much weight do you have in them , and how do you like the handling? Did you combine then with some extra crash and fire protection?
  15. bigisland

    Looking for some links on controller selection

    I want to do some reading up on controllers what they do and how they differ, as all I know so far is they are some sort of interface between the battery and the motor. If any one knows of some good threads or links please throw em my way. Thanks.
  16. bigisland

    Please help, why dont post pic attachments open ?

    I come across post which have links to pics that people put in their posts, most of the time when I click on them I see nothing. Can some one please explain. Thanks
  17. bigisland

    How set up your first LiPo batteys

    I am thinking about setting up my first lipo battery set up. Some thing that would deliver lets say 48v 30 amps and have 10Ah capacity. Or maybe split his into 2 packs if possible to keep it light for short rides. For a fist time liPo user, what would be the simplest most reliable way to do...
  18. bigisland

    Whats the basic layout for an E bike wiring harness

    I imagine it must be pretty straight froward, but I haven't come across any schematics yet. I have noticed what seems to be a lot of wires coming out of the controllers. So as I continue to think about setting up my fist bike and where I will locate the batteries and controller I am...
  19. bigisland

    What are your actuall average running watts.

    I am looking at installing a BMC V2t hub. I have posted a few ?'s and gotten some great replies and alot of advice , obviously there are a lot of variables, I am still trying to get a picture of power consumption on flats and hills. Was wondering what other peoples set ups are actually...
  20. bigisland

    Will this rack hold 12 lbs of batteries?

    I am wondering if this Black Burn would hold 12 pounds of batteries It is a MT-I Mountain rack, will try to attach picture
  21. bigisland

    Direct Drive Recomendations for High Tourqe

    I am interested in getting some opinions as to what would be some good direct drive rear hub component combinations ( specific brands, sellers, model #'s ) that would deliver high torque for long hill areas (5-15%), and some light dry trail riding, not concerned about high top speed, don't...
  22. bigisland

    Will a 48V 10 amp Hour Ping battery be enough power?

    I am building an E bike with a BMC V2T motor, I live in an area where I will be doing long (3 miles, 5 to 10 degree) hill climbs pedal assisting as needed and for exercise. I am not planning on long rides and I think I want to chose a battery based on its weight more than any thing else, but I...
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