Power in Flux

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    Pikes Peak 2016?

    Who is attending? I am planning to be there from Friday to Monday morning.

    It would be great to meet up with some other elmoto-ers.

    Send me a PM if you want to coordinate something.

    R
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    All gone sorry!

    All gone sorry!
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    Tesla Modules for Sale CHEAP

    Hello,

    I have several Tesla Modules available. They are from a 85D with 5k miles on it. They are in very good shape. The car is from a crash but the battery pack wasnt affected.

    Each module is...
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    For sure, i'll make a post dedicated to these...

    For sure, i'll make a post dedicated to these modules.
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    New Post! Finally gearing up to get this thing...

    New Post!

    Finally gearing up to get this thing on the road!!

    http://rjmelendez.blogspot.com/2016/03/cholo-makes-trip-out-west.html
  6. Riding a Zero in the Bay Area [and farasis batteries...]

    About two weeks ago I had the pleasure of riding a Zero SR in BMW San Jose.

    They had a special ride event (everyone welcome) with lots of bikes and some a bunch of zero employees.

    I rode both...
  7. this spray idea is pretty cool... i have heard of...

    this spray idea is pretty cool... i have heard of similar tricks used to prevent buses drumbrakes from overheating (pretty sketchy deal on brakes... but motor might be fine)

    Athlon, do you have...
  8. AC-23 or new oil cooled motors from HPEVs?

    Like many of you I am an AC20 fan,

    However I saw the Ac23 motor from HPEVs (more torque, but lower base speed), I was thinking it might pose some advantages in terms of the rear-front sprocket...
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    hello everyone! long overdue update! new...

    hello everyone!

    long overdue update!

    new controller (sevcon size 6) new battery! (should have been batteries but for some reason only one got sent to me! sadface

    i now live in california so...
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    Hi everyone, I have finally collected all the...

    Hi everyone, I have finally collected all the materials to upgrade the motorcycle.

    Check out my newest update!

    http://rjmelendez.blogspot.com/2014/10/cholocycle-upgrade-components-finally.html...
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    no luck just yet... i'll keep trying and let you...

    no luck just yet... i'll keep trying and let you guys know!
  12. I am definitely going! bringing along the MIT...

    I am definitely going! bringing along the MIT guys along with me!
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    Thanks for the replies guys, I'll try out the...

    Thanks for the replies guys,

    I'll try out the one from the link above and try to get in touch with johammer and report back on this thread!
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    Hey Noah, Attached are two plots showing force...

    Hey Noah,

    Attached are two plots showing force speed curves and acc. profiles

    here is the data i used:

    108V 650A curve from hpevs.com
    5:1 gear ratio
    0.6m rear wheel diameter
    total mass...
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    Hey Noah, Attached are two plots showing force...

    Hey Noah,

    Attached are two plots showing force speed curves and acc. profiles

    here is the data i used:

    108V 650A curve from hpevs.com
    5:1 gear ratio
    0.6m rear wheel diameter
    total mass...
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    Push/Pull throttle

    Does anyone know where to get dual action throttles (twist back for throttle and twist fwd for regen)?

    For those of you that have them, what do you think of them? worth getting?
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    LOL... thats right on our blog page jajaj...

    LOL... thats right on our blog page jajaj obviously we don't have very good corporate memory!

    i dont have pics yet but its the same kinda packs with different s and p configs.

    i'll dig around...
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    A123 Prismatic Cells BMS and Balancing

    Hi,

    I just got my hands on some A123 prismatic modules.

    These modules have MBB connections which is a CAN-BUS connection to the computer in the module that reads the voltage of every cell and...
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    @noah with the 108V curve 650 A limit: top...

    @noah

    with the 108V curve 650 A limit:

    top speed 110 mph
    0-60 in 3.5 sec

    look at attached plots, lemme know if you'd like the matlab code

    5881
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    Hey Noah, the Hughes book is amazing! thanks for...

    Hey Noah, the Hughes book is amazing! thanks for the tip!

    Also check out some calcs I have done with cholocycle (using torque-speed from HPEVs)

    ...
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    pretty sure... is there a specific graph or thing...

    pretty sure... is there a specific graph or thing i said that seems off? lemme know and i'll double check
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    Hi everyone! I made some performance estimates...

    Hi everyone!

    I made some performance estimates of cholobike.

    Check em out here:

    http://rjmelendez.blogspot.com/2014/07/cholocycle-perfomance-estimates.html

    Here is a summary:
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    Compact Charger

    Hi,

    I have two 13s3p A123 packs, 3.3V nominal and 3.6V per cell at charge voltage.

    I am getting a delta Q 1kw charger, can anyone recommend a more compact charge able to charge the pack at...
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    Small update regarding some auxiliary systems I...

    Small update regarding some auxiliary systems I have been playing around with. I am old school and prefer analog meters so I am devoting time into making the most with the bike gauge cluster I have...
  25. I've met a bunch of people that have built pretty...

    I've met a bunch of people that have built pretty succesful EVs without a BMS. A friend of mine has a battery pack on his bike and he has balance leads on the pack and balances the pack once a month...
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