Power in Flux

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Type: Posts; User: chef

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    Spraying with water is creative. I'm a little...

    Spraying with water is creative. I'm a little concerned with oxidation though. It should evaporate pretty quickly, but even so doesn't any amount of contact with water allow for oxidation? Once or...
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    Jeff picked them up from Harlan of Hollywood...

    Jeff picked them up from Harlan of Hollywood Electrics. I got enough cells from Jeff and the remainder of Harlan's to make a 23s4p pack in my original GPR-S. Awesome cells!
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    Sweet bike. Wish I could afford a Lightning and a...

    Sweet bike. Wish I could afford a Lightning and a Tesla :o
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    Motor cooling after parking

    The D&D on my bike protrudes from the faring so a good amount of air moves through it while the bike is moving. With the higher summer temps and sustained highway speeds, the motor gets prettu darn...
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    That's certainly a very good point. It'd be nice...

    That's certainly a very good point. It'd be nice if they made inverted hall throttles such that when the magnet is separated or other failure modes occur, the output drops to zero. It'd take an...
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    Apologies for taking so long to respond. I wanted...

    Apologies for taking so long to respond. I wanted to measure the bolt mounts myself and make sure. They're in a 4 3/16" square pattern (approx 106mm). I'm quite certain that the current motor in...
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    Native GPR-S for sale / 2010 / yellow

    I'm selling a 2010 Native GPR-S. It's a good bike with impressive acceleration. Unfortunately I don't have the time to work on it. Here's the run-down:


    Native GPR-S with yellow body panels...
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    I have two GPR-S's and it was a good chassis for...

    I have two GPR-S's and it was a good chassis for the time. It was always challenged for space and unable to fit enough cells to get a competitive range compared to Zero or Brammo's base models. The...
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    Hall effect throttle replacement & upgrade

    The Magura pot throttle on my bike crapped out at a paltry 2500 miles and I wanted to find a better replacement part. There doesn't seem to be alot of selection for non-pot throttles. I took a page...
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    I have a feeling this will eventually make its...

    I have a feeling this will eventually make its way to the Supreme Court. Interstate commerce clause...
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    Awesome showcase of technological possibilities....

    Awesome showcase of technological possibilities. These are the types of advances that will push EVs over the top. Yeah the batteries are still a weak spot but it's just a matter of time...
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    Welcome to the group. Before you embark on a...

    Welcome to the group. Before you embark on a conversion, you might want to ask your self, in complete honesty, is your primary motivation financial or do you really want to learn the ins & outs of...
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    Off-topic: This video showed up when I finished...

    Off-topic: This video showed up when I finished watching mine above. The guy made his own controller and tries to stop the motor with just a glove on :eek: I'm impressed by his circuit design and...
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    Here's a less than flattering shot of the bike in...

    Here's a less than flattering shot of the bike in my cluttered garage--
    4304

    The motor is mounted securely as far as I can see. Not sure how well it's aligned though.
    4303

    I forgot to mention...
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    Thanks for the ideas. The throttle is a Longma...

    Thanks for the ideas. The throttle is a Longma Hall-Effect inductive throttle. I replaced it for an unrelated reason... the throttle wire was crushed due to an unfortunate routing of it above a bar....
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    The shills paid by Big Oil will be all over this,...

    The shills paid by Big Oil will be all over this, citing it as further proof that EVs are a wasted effort. Our best hope is for Tesla to continue to succeed and put a hurt on the shorts.
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    Yellow GPR-S rehab

    Now that my original GPR-S is back up & running, I'm focusing on the yellow GPR-S that I picked up from Jeff. It has an Etek/Mars motor, Alltrax controller and EIG cells. It ran well initially but...
  18. This interesting technology suffers from the same...

    This interesting technology suffers from the same fundamental issue that BEVs face: lack of infrastructure. At 990 mi, you better hope there's a battery swapping station within 10 miles. Eventually...
  19. Thread: Tesla news

    by chef
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    Car sales vary by region and most certainly from...

    Car sales vary by region and most certainly from one dealership to the next. I'm sure there are some dealership owners & salesmen who, out of ignorance or ego, despise EVs. The two Nissan...
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    Quimera AEGT01 supercar

    0-60 mph in 3 seconds, three UQM motors that pump out 700 horsepower, 1,000 lb feet of torque, top speed of 180 mph :O

    Anyone heard anything more about this bad boy since this dated 2011 article?...
  21. Thread: Solar Impulse

    by chef
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    Article link...

    Article link
    and photo http://regmedia.co.uk/2013/03/29/solar_impulse_large.jpg

    That's a massive wingspan with a skinny little fuselage.

    Just what we need... drones that can fly indefinitely....
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    Thanks! For a while there it felt like I'd never...

    Most definitely! :)[/QUOTE]
    Thanks! For a while there it felt like I'd never finish it. Sure feels good to have a working bike and be back on the saddle. I just need to figure out a way to parlay...
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    GPR-S resurrection: the ghettofabulous rebuild

    This rebuild has been years in the making. It took some time to acquire all the bits & pieces to complete the pack and each pause in the project seemed to get longer & longer, alot of that because...
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    Crushed Silicon Could Triple Battery Life

    http://motherboard.vice.com/2012/11/2/crushed-silicon-could-triple-your-battery-life--2

    Not the most appealing of photos, but what the heck as long as they can make good on their battery claims.
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    Peugeot Onyx Scooter Concept - hybrid trike

    400cc engine and electric motor combination offers up 60 horsepower (45 kilowatts) and 42 pound-feet of torque
    top speed of 93 miles per hour
    117.6 mpg
    up to 18.6 miles in EV mode
    dual position...
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