Power in Flux

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Type: Posts; User: Stevo

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    Polaris f'd up??

    Polaris f'd up??
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    I was wondering if you had enough space to link...

    I was wondering if you had enough space to link another one of those small motors together like Ripperton did on his yamaha R1:...
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    Supposedly Alltrax is developing one. Sevcon gen4...

    Supposedly Alltrax is developing one. Sevcon gen4 is probably your best and only current choice. However, you may want to consider this motor...
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    It suggests 6L / minute, which I couldn't find,...

    It suggests 6L / minute, which I couldn't find, but I found a 12L/minute here...
  5. Thread: Ripperton's 8)

    by Stevo
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    Ripperton's 8)

    I love the excitement and enthusiasm of the interviewer! https://youtu.be/vdKDOfXBRMM

    Does anyone know or can take a guess as to how he synched 2 motors together? One for low end and one for high...
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    The Bandit's steel frame will be easier to weld...

    The Bandit's steel frame will be easier to weld then the Al GSXR frame, so I think it would be a good chassis to convert if you can find a great deal, go for it and be the first to be a Bandit...
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    Keep in mind that the batteries are going to be...

    Keep in mind that the batteries are going to be the component that you will be constantly upgrading in the future... so the initial motor and controller purchase should be your priority at the start....
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    A very FAST Segway!!

    A very FAST Segway!!
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    For me, insurance thru Progressive was not the...

    For me, insurance thru Progressive was not the hard part. The DMV was the pain in the ass. They required an inspection by the CHP. Luckily, the CHP officer in charge of inspections was a biker and...
  10. For that bike, you could fit a ME 0909 and use a...

    For that bike, you could fit a ME 0909 and use a Axe 4834, which I happen to have and can give you a good deal on.
    Then use 6 Nissan leaf modules to power it. That would be fun toy, but still heavy....
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    thanks for that tutorial link... I may have to...

    thanks for that tutorial link... I may have to dive into this when I have spare time
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    That's a great deal for someone to get started.

    That's a great deal for someone to get started.
  13. That might be a very good upgrade for me that I...

    That might be a very good upgrade for me that I can use right now... if it fits my current set up without too much required modification. I am running a ME1003 and Alltrax AXE7245. If this AXE will...
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    I've been patiently waiting for an update on this...

    I've been patiently waiting for an update on this thread:cool:
    "Efficiency at the power peak was about 75% (induction motors are more efficient at parcial loads). With a magnets motor like ME1304,...
  15. Thread: EMP effect ?

    by Stevo
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    EMP effect ?

    With all the talk about N.Korea nukes... I understand an EMP weapon can take out an entire country's grid...
    but what effect would such a weapon have on Li cells? Our ev's controllers would probably...
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    Since this thread has been resurrected... Al...

    Since this thread has been resurrected... Al frames are way stiffer than steel ones. I remember when Honda introduced aluminum frames on their CR dirtbike line and the extra rigidity was a problem at...
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    Hi... the main reason I chose not to use a hub...

    Hi... the main reason I chose not to use a hub motor is all the unsprung weight of the wheel. However, as long as you change the shock with a stiffer spring and heavier oil, you should be able to...
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    I think they have an awesome concept to have...

    I think they have an awesome concept to have interchangeable battery tray chassis. They can design one stressed chassis batt tray and use it in any of the different models of vehicle they want to....
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    Thoughts on these?

    http://www.ebay.com/itm/12V-280WH-BOSTON-POWER-LITHIUM-ION-BATTERY-PACK-18650-4-7AH-POWERWALL-BATTERIES-/182681892086?hash=item2a88b074f6:g:b7kAAOSwkX1ZdLk6


    They come out to about $2.20 each.
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    Hmmmm.... In my mind, a perfect electric dual...

    Hmmmm....
    In my mind, a perfect electric dual sport would have 2 gears. One for tight technical single track thru the woods and uphill trails on loose shale and rock or mud, and then second gear...
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    Why not incorporate a clutch? A 2 or 3 speed...

    Why not incorporate a clutch? A 2 or 3 speed tranny would be fun!!
  22. You may have to fabricate one yourself... ATK...

    You may have to fabricate one yourself... ATK used to make a chain torque eliminator:7394
    Grainger sells several self adjusting tensioners. You probably will need to adapt one on top and on bottom...
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    Here is the link to his tests. Very good info...

    Here is the link to his tests. Very good info indeed! Thank you!https://www.e-cigarette-forum.com/forum/blog-entry/list-of-battery-tests.7436/
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    Hi Ian... I'll be watching your progress on this...

    Hi Ian...
    I'll be watching your progress on this build as it looks very cool indeed. My suggestion is get the motor, controller and all the electronics/lighting/wire harnessing complete before...
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    I was wondering how they would synchronize 2...

    I was wondering how they would synchronize 2 motors. The I thought if there were a jackshaft with the rear drive fixed, and 2 different sized free driving sprockets on the drive jack shaft...you...
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