Power in Flux

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  1. Thanks mate. Anymore questions then fire them...

    Thanks mate. Anymore questions then fire them over.
    Cheers
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    pm'd you

    pm'd you
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    We supply the HPEVS range of AC motor kits. Take...

    We supply the HPEVS range of AC motor kits. Take a look at the HPEVS site and see if anything suits your needs. We have used them in all out race bike up to now and they are very good units.
  4. AMR250 motor and Rinehart PM100DXR controller for sale

    Brand new items in the UK.

    Serious power.

    Serious enquiries only.
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    Hi We are based in the UK and supply HPEVS...

    Hi

    We are based in the UK and supply HPEVS motors, used in our own race bikes. We also have an AMR motor and controller for sale if you are looking for serious power!
  6. the ac23 is designed to complement to higher...

    the ac23 is designed to complement to higher voltage Curtis controllers (144v). They perform very well. Returning 80+hp.

    We have a pairing for sale in the for sale section with controllers which...
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    Sorry I don't have any really clear pictures of...

    Sorry I don't have any really clear pictures of the output drive atm.

    Essentially the sprocket runs in board of the outer motor case, we make new casings which include a double bearing.
    ...
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    Twin HPEVS AC23 motor module

    Dual Ac23 motor module. 160hp 230Mn torque.

    Sprocket output. includes controllers. water cooling system. and race developed cooling/reliability upgrades.

    requires 170v and 1000a pack for full...
  9. What about a HPEVS ac23 kit. We've got one on the...

    What about a HPEVS ac23 kit. We've got one on the shelf
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    Have an AC23 in the UK.

    Have an AC23 in the UK.
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    Hi Polina, we'll be out there on Wednesday. Save...

    Hi Polina, we'll be out there on Wednesday. Save us a spot!

    Sent from my AZ210A using Tapatalk
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    I agree, I can't see how the gear ratio would...

    I agree, I can't see how the gear ratio would make a difference to controller heating if it's delivering the same power. Unless using more revs = more volts and less current, hence less I^2R loss?
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    Hugues I checked and the spyglass output cycles...

    Hugues I checked and the spyglass output cycles though RPM (motor RPM), V (keyswitch voltage), Ah (amp-hours used) and BDI (battery state of charge as a %). It's in the release notes but I checked...
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    Regarding 1238 controller cooling, we make a...

    Regarding 1238 controller cooling, we make a cooler plate which we developed for our race bike. Before we got it working internal temp was getting towards 60c, afterwords it was more like 30c...
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    I'll have a look later but I'm pretty sure it...

    I'll have a look later but I'm pretty sure it shows motor temp. Hugues if you want controller temp too we can just put it in with the next throttle code mod, it's very easy.

    Sent from my AZ210A...
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    The fan on the motor is that typical of the type...

    The fan on the motor is that typical of the type you find on a stationary motor.

    Its actually supposed to pass air over the outer case of the motor not through it.

    On our race bikes we remove...
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    We're racing electric at the TT this year Sent...

    We're racing electric at the TT this year

    Sent from my AZ210A using Tapatalk
  18. I'm not too interested in having something like...

    I'm not too interested in having something like this as we're more than happy with the Manzanita BMS, but I'm willing to help out with pcb design, programming etc when you get down to putting...
  19. Thread: A first?

    by ARC EV Racing
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    Just to clear up, what Darvill are saying is...

    Just to clear up, what Darvill are saying is correct.

    The 'roads' and road racing in the UK refers to actual racing on the roads, as previously mentioned the IOM (which has a number of roads...
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    That's a nice, efficient looking pack build. Our...

    That's a nice, efficient looking pack build. Our method does clamp the tabs and it puts an open frame around the cells, so not as volume efficient as that but probably easier to build.

    What form...
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    No chance of movement or excess stress, each...

    No chance of movement or excess stress, each parallel block is discreet with its own bus bars and terminals. Each block interlocks with its neighbour and there are copper link bars to make the series...
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    Thanks for the advice guys. We've built our last...

    Thanks for the advice guys. We've built our last 3 race bikes with these cells but using the 5s blocks, this will be the first we've done with single cells. This bike will pull 8C peak so the pack...
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    Thanks Ted I'll have a look at that thread when...

    Thanks Ted I'll have a look at that thread when I'm on a decent connection.

    I saw the double sided tape too but in effect that is insulation. I won't be using tape as we have our own termination...
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    Paralleling single turnigy cells

    I'm looking for some advice from anybody on here who has built packs from single turnigy lipo cells (pretty sure there's at least someone on here who has). 2 questions regarding making parallel...
  25. Suspect this is not available as standard but I...

    Suspect this is not available as standard but I could program it in VCL. However I'm not sure why you'd want it either, that would feel totally alien to any ordinary biker. Still it's your bike and...
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