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  1. Thread: BMS Confusion

    by Spoonman
    Replies
    19
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    1,040

    Seconded.

    Seconded.
  2. Thread: BMS Confusion

    by Spoonman
    Replies
    19
    Views
    1,040

    Yes, I have a Zeva setup in 40 cell flavour here....

    Yes, I have a Zeva setup in 40 cell flavour here.
    Simple and robust once you take the time to wire it up neatly.
    Also I've had email exchange with Ian (Hooper) who's the man behind it and he's...
  3. Thread: BMS Confusion

    by Spoonman
    Replies
    19
    Views
    1,040

    He's pretty much gone and done it:...

    He's pretty much gone and done it:
    https://openinverter.org/forum/viewtopic.php?f=10&t=577&start=200#p17777
  4. Thread: BMS Confusion

    by Spoonman
    Replies
    19
    Views
    1,040

    I'd argue that to be proof of sanity. ;)

    I'd argue that to be proof of sanity. ;)
  5. Thread: BMS Confusion

    by Spoonman
    Replies
    19
    Views
    1,040

    That very much depends on the skills of the...

    That very much depends on the skills of the DIY'er. ;)
    Although tbf you're right, nobody has managed to utilise one yet but it won't take long before that changes
    ...
  6. Thread: BMS Confusion

    by Spoonman
    Replies
    19
    Views
    1,040

    By that are you referring to the integrated BMS...

    By that are you referring to the integrated BMS in each module reporting to the BUS? (This method isn't uncommon) .. or do you mean that the module based BMS itself uses some for of polling rather...
  7. Thread: BMS Confusion

    by Spoonman
    Replies
    19
    Views
    1,040

    Can you elaborate on this please? ^^^...

    Can you elaborate on this please?





    ^^^
    There aren't any low cost BMS solutions out there worth having in my experience.
    Zeva and Orion are pretty much the baseline.
  8. Acceleration under gravity is certainly a...

    Acceleration under gravity is certainly a constant.
    Accordingly, velocity builds linearly to the point of aerodynamic significance.
    Displacement is a second order function alright, but not either...
  9. oh my goodness that's pretty! :O

    oh my goodness that's pretty! :O
  10. When you say AC you're referring to PMAC not...

    When you say AC you're referring to PMAC not squirrel cage I expect yes?

    You've answered my question in any case - it sounds like there's a necessary lag until sufficient angular velocity is...
  11. Replies
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    389

    To be fair, at least you'll be paying for the...

    To be fair, at least you'll be paying for the best solution and not a hack job.

    Nice project.
  12. Replies
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    5,247

    Yeesh - that's a good sized gap there alright....

    Yeesh - that's a good sized gap there alright.
    Are those studs integrated?

    I don't see that arm squeezing down enough to make the studs work. If you could change them out then you could use heavy...
  13. How sure are you that this isn't more to do with...

    How sure are you that this isn't more to do with how your controller is programmed than anything else?
    If you're dealing with some sort of software limit on the ramping rate for current, then the...
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    RIP Jack Rickard

    For those that hadn't heard, Jack Rickard Jr. (EVTV) passed away yesterday.

    Obituary link

    Love him or loath him, he was one of the very first of us doing anything meaningful in community terms....
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    CAKE! Outstanding taste. eVOR looks like the...

    CAKE!
    Outstanding taste.

    eVOR looks like the bike the War Boys needed to do the job right - BEAST!
    https://nerdist.com/wp-content/uploads/2019/06/WarBoys_FEAT.png
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    They already look class from a distance. ...

    They already look class from a distance.
    Barring some smoothing to the edges I'd change very little about them - maybe finish to MV grey.
    Looks pure crackin'! Great job.
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    I'm with greg on this. I don't see any way to...

    I'm with greg on this. I don't see any way to handle that sort of unsprung mass in a sports chassis.
    I could be convinced of a cruiser alright, but even the biggest sports or tourer chassis would...
  18. Replies
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    In case it's useful, the Vectrix throttle is...

    In case it's useful, the Vectrix throttle is available here:
    http://www.shop.vectrixparts.com/throttle-handle-complete-with-tps-and-grip.html

    Rolls about 90degree back for acceleration and about...
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    Looks like a nice easy fitout dude - great job so...

    Looks like a nice easy fitout dude - great job so far - and well done on the parts selection.
    That motor marries pretty much perfectly with those modules and that controller in terms of what they...
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    I have an old CBR F2 Chassis here with two...

    I have an old CBR F2 Chassis here with two forktruck motors in it. They do the job just fine for playing around and learning, and they're cheap and easy to control.
    So as a first effort, a fine way...
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    Welcome aboard Marcus - great to have you.

    Welcome aboard Marcus - great to have you.
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    Welcome aboard folks!

    Welcome aboard folks!
  23. Welcome aboard dude.

    Welcome aboard dude.
  24. Replies
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    Sounds to me like what you need is a Vectrix...

    Sounds to me like what you need is a Vectrix VX-1.



    You don't need to worry about that - the actual rotating (not reciprocating) components in an ICE motor aren't that substantial.
    The rotor...
  25. Replies
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    2,160

    There are three primary reasons why they don't...

    There are three primary reasons why they don't exist already I'm afraid:
    1 - battery prices
    2 - battery volume
    3 - battery mass

    The former means that 100km worth of pack is going to cost...
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