Power in Flux

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  1. Thread: Hello Riders

    by Spoonman
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    271

    Where are ye based Jason?

    Where are ye based Jason?
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    Put very simply, power is power and energy is...

    Put very simply, power is power and energy is energy, but voltage is speed and current is torque.

    Your low voltage high current pack will produce high torque at low RPM
    Your higher voltage lower...
  3. Who did the review? This comment gives me the...

    Who did the review? This comment gives me the impression that they sent a cruiser guy out on a streetfighter.



    This is a very typical comment from new EV users - a lot of folk just can't get...
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    That's outstanding dude - delighted for you....

    That's outstanding dude - delighted for you. Sounds like an awesome project to be involved with.
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    Welcome aboard dude. Ducati frame is a good...

    Welcome aboard dude.
    Ducati frame is a good choice for what you've outlined, although the Leaf cells for that sort of power in that low capacity not likely so much as their discharge rate is...
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    Welcome aboard and look forward to hearing more...

    Welcome aboard and look forward to hearing more about it!
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    Looks like a production machine so I'd expect...

    Looks like a production machine so I'd expect there's a BMS (@Tyler: Battery mangement system) in there which will handle that bit for him at least.

    As above, batteries do have a finite cycle...
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    Welcome aboard

    Welcome aboard
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    I'd be curious as to how they establish their...

    I'd be curious as to how they establish their notion of value.
    How is it any poorer value than any other Harley for example?
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    I see what you did there. ...

    I see what you did there.

    https://media1.tenor.com/images/b8dbbd9895eef8304085ba13149086c6/tenor.gif?itemid=4969698
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    https://wwwcache.wralsportsfan.com/asset/voices/20...

    https://wwwcache.wralsportsfan.com/asset/voices/2017/11/22/17134461/point_and_laugh-DMID1-5cv4ih16c-480x256.gif
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    My god that is a gorgeous side profile - really...

    My god that is a gorgeous side profile - really hope someone can put her to good use!
  13. Thread: New Motor

    by Spoonman
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    1,160

    Was there intended to be a link to the linear...

    Was there intended to be a link to the linear labs thingamy in the above?

    Looks damnsom complicated to me - can't fully understand exactly what is it that they're doing with it.
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    ....aaaand how did you come to wind up on here...

    ....aaaand how did you come to wind up on here exactly?... :o
  15. Thread: Sun 300-1774

    by Spoonman
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    Hmm.. In that case maybe present a load a Frodus...

    Hmm.. In that case maybe present a load a Frodus mentions. Good sturdy bulb or similar.
  16. Thread: Sun 300-1774

    by Spoonman
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    5,127

    Sorry I haven't been of any use sooner - have...

    Sorry I haven't been of any use sooner - have been up to my neck here and haven't been on the forum.

    If you haven't gotten this sorted already, the following may be useful:
    As PC/Server...
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    oh now that is hot! :D

    oh now that is hot! :D
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    Looks like a super interesting project dude and I...

    Looks like a super interesting project dude and I really hope it comes off for you - but a sustained 10C from LiFe?.. can they do that?!?
    ..They're a bulky chemistry too.

    They'll likely be fine...
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    :O $13k? That a serious shot at Zero...

    :O $13k?

    That a serious shot at Zero alright... spec at that price will indeed will be the question, but I'd be lying if I said I weren't excited about a credibly faired alternative to the SR at...
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    hmmm... café racer pedelec? Like the styling -...

    hmmm... café racer pedelec?

    Like the styling - is that a zforce motor or an updated Mars?
    Wouldn't actually be surprised if it was one of the smaller Zero drivetrains.
  21. Thread: Sun 300-1774

    by Spoonman
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    5,127

    Just an FYI in case you're not already aware and...

    Just an FYI in case you're not already aware and in case any future thread visitors decide to try this with any old PSU.

    Those look like server or NAS PSU's - so there's a very good chance that...
  22. Apologies for the slow reply - I see Frodus has...

    Apologies for the slow reply - I see Frodus has provided a few answers already so what follows may amount to some repetition but howevenever here we go.

    CC-CV as you know means Constant Current...
  23. What makes you think that? Any DC power supply...

    What makes you think that?
    Any DC power supply which is clamped to the pack Vmax in voltage terms (so in your case about 110-113V) , and has current limit enforcement built in, will bulk charge a...
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    Keep us appraised on your progress. One thing...

    Keep us appraised on your progress.

    One thing I learned from that Stepcraft unit above is that you really need a solution which can take the entire g-code script onboard at the start of the job...
  25. Zero were at Motorcycle live in Birmingham a few...

    Zero were at Motorcycle live in Birmingham a few weeks back.
    Dale Robinson is the UK Country manager and could be worth dropping a line with your troubles if you haven't been talking to him already....
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