Power in Flux

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Type: Posts; User: Frank

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  1. Replies
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    How much does that motor weigh? Sent from my...

    How much does that motor weigh?

    Sent from my SM-T380 using Tapatalk
  2. Replies
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    1,233

    Curious: what will you upgrade to? Sent from...

    Curious: what will you upgrade to?

    Sent from my SM-T380 using Tapatalk
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    Before upgrading to a larger controller on my...

    Before upgrading to a larger controller on my drag bike a few years ago, one of the options I looked at was using a snowmobile clutch. You could keep a motor close to Max power with some sort of cvt....
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    More: ...

    More: https://www.wired.co.uk/article/superdielectrics-supercapacitor-electric-car-battery
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    There's still a bunch of us drag racing electric...

    There's still a bunch of us drag racing electric bikes. Brushed DC series motors make tons of torque and are more cost effective than permanent magnet or AC motors. There's various controllers out...
  6. My point is that you might find a sled clutch...

    My point is that you might find a sled clutch that could work for you....

    Sent from my SM-T380 using Tapatalk
  7. It's likely that 5K is the break speed of the...

    It's likely that 5K is the break speed of the motor i. e. speed where max power is achieved. Snowmobiles used for drag racing run a 2-step with the lower limit just below the point where the clutch...
  8. I thought Steve built that with the idea of using...

    I thought Steve built that with the idea of using the lock-up right off the bat. Does he say his old 60' times were 1.7? I must have missed it..

    Sent from my SM-T380 using Tapatalk
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    I believe they are moving forward with renewables...

    I believe they are moving forward with renewables at a rapid pace but they are so big it won't happen overnight. And charging ev's with fossil fuel generated electrons will still generate less...
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    Very neat car! So - three motors? How many...

    Very neat car!

    So - three motors? How many inverters? 400V or higher?

    It looked to me like the steering wheel might be just a tad too small in diameter, driver seemed to be struggling a bit,...
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    I too am curious about the details but one...

    I too am curious about the details but one article said they were making parts in China so that may have something to do with it. IIRC they had switched from Enerdel to Farasis on the Lightning,...
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    Energica at Texas Miile

    https://www.youtube.com/watch?v=wA2pH7uA7zA&feature=youtu.be&fbclid=IwAR3JiXdxKtDam0dgL-1XAVGLFk4UwXDGMSXX2XzlJlzAjCj1IC5qifPfhbI

    Good initial acceleration then peters out a bit on top end,...
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    The article says the top speed is 270, not that...

    The article says the top speed is 270, not that she hit that at Lake Gairdner. Killajoule ran 270 in September 2014 at the Mike Cook Shootout.

    Sent from my SM-T380 using Tapatalk
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    I'm pretty sure the 270 was at Bonneville. :) ...

    I'm pretty sure the 270 was at Bonneville. :)

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  15. Replies
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    Is this still the low voltage pack? Sounds like...

    Is this still the low voltage pack? Sounds like it...

    Sent from my SM-T380 using Tapatalk
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    With an Orion (and Torque) I know lowest cell...

    With an Orion (and Torque) I know lowest cell voltage, min pack voltage, max current, etc. It has an output that can be programmed to signal a alarm or a couple of other options using a variable...
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    Looks great! Sent from my MotoE2(4G-LTE)...

    Looks great!

    Sent from my MotoE2(4G-LTE) using Tapatalk
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    You'd be better off with a smaller motor and...

    You'd be better off with a smaller motor and bigger controller (ex. Z1k). It really depends on your goals. Also, while the tranny idea is neat, unless you're racing it's not really necessary. Then...
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    I think it depends what your goals are: a 100V...

    I think it depends what your goals are: a 100V system is adequate for "commuter" type vehicles but you will not see a single high-performance vehicle running low voltage.

    Personally, I think Luke...
  20. Thread: AXE Wiring Note

    by Frank
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    9,542

    Does this help? ...

    Does this help?

    https://evmc2.wordpress.com/2014/11/24/wiring-up-the-alltrax-axe-moar-wire/
  21. Thread: Michael Czysz

    by Frank
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    Excellent article!

    Excellent article!
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    Do you know what the battery weight is on your...

    Do you know what the battery weight is on your Zero, Richard?
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    So about 90wh/mi or so. Very nice!

    So about 90wh/mi or so. Very nice!
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    Richard, how much battery are you carrying?

    Richard, how much battery are you carrying?
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    Doc, you would have fun with either the Zero or...

    Doc, you would have fun with either the Zero or the Volt. Last year my friend Wayne brought his Volt (he preserved the battery for the climb up) and I went to the top with him. He couldn't make it...
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