Power in Flux

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Type: Posts; User: Spoonman

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    I've heard about those cheap ones alright - I...

    I've heard about those cheap ones alright - I expect they will upgrade quite well provided you can either reprogram or replace the charger, and ideally fit a BMS as well.
  2. Bent steel tube in the case of trellis, and...

    Bent steel tube in the case of trellis, and welded pressed forms in the case of aluminium for the most part AFAIK.
    Machine finishing a cast would certainly be more work than welding up a frame. You...
  3. Very different load profiles between scooter and...

    Very different load profiles between scooter and streetbike performance.

    I'd be concerned that the proposed 'chassis' design would be overly stiff - granted we're unlikely to be pushing them to...
  4. As for the beemer - looks like the "chassis" is...

    As for the beemer - looks like the "chassis" is intended to be the battery box... that's daring.
    Not sold on that rake angle for a roadster.
  5. Oh I like that! :cool:

    Oh I like that! :cool:
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    That colour is a bit unfortunate IMO but my god...

    That colour is a bit unfortunate IMO but my god it is one seriously good looking machine isn't it!?

    I mean, I'd loose the mirrors and dress up the back of the instrument cluster a bit, but beyond...
  7. Ah yeah, appropriate gearing assumed, a 2.5HP...

    Ah yeah, appropriate gearing assumed, a 2.5HP equivalent electric motor will easily surpass a 3HP engine on performance terms alright, so no concern there.

    The market price for 1kWh of traction...
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    The above gif may also be applied to the notion...

    The above gif may also be applied to the notion of it's being capable of 300km!
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    <iframe src="https://giphy.com/embed/RemgQ6YyvHqOA" width="480" height="270" frameBorder="0" class="giphy-embed" allowFullScreen></iframe><p><a...
  10. Howdy Graham, That's a stunning like machine...

    Howdy Graham,

    That's a stunning like machine right there!
    No doubt the anoraks will have a few words to say about defiling it in such a fashion. :rolleyes:

    1.8kW is only about 2.5hp...
  11. There was a faired version of that at Motorcycle...

    There was a faired version of that at Motorcycle Live in Birmingham last year - they had no spec at all to offer at the time.
    The uncle is headed over this year so I'll ask him to keep a lookout.
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    Busa is one of my favourite chassis for a...

    Busa is one of my favourite chassis for a conversion - acres of space and a stunning, fully faired, wrapper.

    Shall be watching with interest - welcome aboard!
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    Welcome aboard dude.

    Welcome aboard dude.
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    https://media.giphy.com/media/xUA7aYTOA4PEhCz5OE/g...

    https://media.giphy.com/media/xUA7aYTOA4PEhCz5OE/giphy.gif

    [sits back and waits for Ted to show up]
  15. Thread: Hello Riders

    by Spoonman
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    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...
  17. 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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