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  1. bigisland

    Balance plug connections for 12S with Htperion 1420

    Thanks neil and Neptronix, I've found this here which I guess explains it also Does anyone know what type of connector is the Hyperion balance connector input on the charger?
  2. 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
  3. 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...
  4. bigisland

    How to Solar Charge an Electric Bicycle

    I just went off grid moving to Hawaii. I needed to upgrade the existing system here on the property I bought, really rebuild it, and If you can do your own install you will save a lot of the expense and with the federal tax credit of 30% off every thing I bought I am happy with it. One thing I...
  5. bigisland

    cannondale adventure 4

    I think this depends on your technical abilities as to if you went to MIT it wouldn't matter if it is your first build, weather or not it is feasible is another story (can be done but a motor on the end of a telescoping fork, is from a design stand point its really incorrect because the torque...
  6. bigisland

    cannondale adventure 4

    I think this depends on your technical abilities as to if you went to MIT it wouldn't matter if it is your first build, weather or not it is feasible is another story (can be done but a motor on the end of a telescoping fork, is from a design stand point awkward). But I always like to minimize...
  7. bigisland

    Need help picking a motor for first e-bike.

    Hey fellow New yorker, well I moved out of the city a year ago after 45 years, now on the Big Island, Well after reading your post the key thing for me in designing your build in what you wrote is: You defiantly want to go as light as possible. Aluminum frame is fine. I would go with a...
  8. bigisland

    cannondale adventure 4

    I would say IMO Yes, the motor will be putting some stress on your telescoping fork. How much depends on how much torque is applied to the axle, and this is determined by how much power your motor has and at what rate you apply it at to over come loads and how large those loads are. In a...
  9. bigisland

    newbie question - battery amps vs voltage

    Horsepower is a unit of energy like watts. Torque is a measure of the turning force. Amps represent the rate of current.
  10. bigisland

    Manufacturing in USA will be cheaper than China by 2015

    I just don't think that in 2015 It is going to be so expensive to ship a container of bicycles here from china that it will be cheaper to mass produce them here. (unless there is WW III) And I would bet that in 2015 all the foreign hub motor companies will still be making their products where...
  11. bigisland

    Manufacturing in USA will be cheaper than China by 2015

    Yeah I'm sure all the peasant and child labor will see their salaries grow at this rate. This article is nonsense, Global manufacturing trends that have been forming for the last 30 years aren't going to change much by 2015. You want to build bikes in the US you will be serving a smaller...
  12. bigisland

    Use motorcycle parts or bicycle?

    Most motorcycle transmissions are built into the engine casing , their not separate units you could bolt on a bike. I would play around with a Nuvinci .
  13. bigisland

    EU is trying to kill the ebike!!!

    But it is just a satirization of the truth; just laughin at us Humans, life is short. But yeah I'll take it down, Sorry.
  14. bigisland

    Noob needs help with Headway 24V20ah pack

    Hi Gopedal, First off I am just typing here cause I'm sittin at the key board here and blabin. So I know nothing about the true facts of electrons, but I'm not stupid so heres my guess. The battery is fine, highest probability says so. So either your mower aint workin, but...
  15. bigisland

    EU is trying to kill the ebike!!!

    .
  16. bigisland

    Lightweight bike project

    I am curently doing a Trek Navigator, Also wanted to go lite, Bottom line is if you want to go up in performance from the basic kits, You gotta use Lipo, or youll be caring arround a cinder block of batteries on your bike, so you will kill the Bicycle part of your bike, becaus only lipo can...
  17. bigisland

    What type of conector is this?

    Got it; where can U get em besides HK
  18. bigisland

    What type of conector is this?

    The insulating case looks like 2 tubes how do are the polarized? Do other vendors sell the same product or are these HK made? Whats the balance connector called? Thanks
  19. bigisland

    Using Plastic insullated common wire

    So what do most people choose?
  20. bigisland

    What type of conector is this?

    Thank you for that link! These are polarised right ? The HK description:
  21. 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
  22. 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.
  23. bigisland

    problem with anderson connectors? can't get them to click!

    Ok so I getting ready to order some stuff from the internet, and I am thinking about connectors as sit here............ And I heard the chatter about the Andersons; and then you read this and I have to ask myself what frocking kind of connector needs a god dam cotter pin to hold it together !
  24. bigisland

    What do you think of this type of toqure arm

    Dogman do you think a V is necessary, would you be expecting movement in the plate in both colck wise and counter clock wise directions? I'm thinking something along these lines.
  25. bigisland

    Lipo for Dummies part II

    Well the two drawings I posted in the beginning pretty much shows the basic parallel/series and series/parallel, but I left off the balancing wire part. I am going with the Hyperion charger. Keeping the polarity correct in the battery harness design is really pretty simple stuff, looks like...
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