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Thread: Electrathon - A Different Kind of "Hotrod"
          
   
   

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  1. #451
    Dave Severson is offline CHR Member/Contributor Visit my Photo Gallery
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    Congrats Jim, another great outing! Will the electric cars that resemble F-1 cars be running someplace where you can get to watch them, or have you seen them run already? I doubt they'll be running anywhere close here, maybe the F-1 track in Dallas? Haven't checked their schedule for this year, but I sure would like to watch them sometime! You mentioned an 'advanced battery' class, wondering how those are different from what you run---they sound more expensive! lol
    Yesterday is history, tomorrow is a mystery, Live for Today!
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  2. #452
    J. Robinson's Avatar
    J. Robinson is offline CHR Member Visit my Photo Gallery
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    I run in Open Standard Battery class where the batteries are Gel Cell or AGM spill proof lead-acid type and we are limited to 73 pounds of batteries. In my car (and many others in this class) I use Optima Yellow Top (deep cycle) batteries. Two of them is 73 pounds and I use them wired in series for 24 volts. There are other batteries in use with combinations up to 48 volts, but the 24 volt Optima system has worked well for me.

    The Advanced Battery class is for Lithium Polymer, Lithium Ion, Nickel Metal Hydride, and other experimental types of batteries. Since they all have different power and discharge curves, they run in a separate class where their battery weight is regulated differently (generally much lighter). For example, Lithium Ion batteries are limited to only 15 pounds; Nickel metal Hydride is 41 pounds. The objective of Electrathon America is to keep everyone limited to approximately 1 kilowatt hour of power. The advanced battery cars, because of their different discharge curve and lighter battery weight, generally run just a bit faster than the Standard Battery cars.

    When I first started in Electrathon, Lithium and other advanced batteries were very expensive. In just the last two or three years the cost has come way down and now may actually be cheaper! I am still running in the Open Standard Battery class because I already have a thousand dollars worth of batteries and a $300+ charger. I am seriously looking at moving to Lithium now.

    I have only seen Formula E on television, but I find it very interesting. As battery technology advances, electric transportation will become more common. I owned a 2013 Chevy Volt for about 3 years and loved it. We traded it off for a SUV because it sat so low that my wife and I had difficulty getting in and out of it (she has a bad back and I have arthritic knees). Hyundai now has an electric version of their Kona SUV that has a 285 mile range! I urge anyone who has never ridden in an electric vehicle to do so - the acceleration will surprise you.
    Dave Severson and stovens like this.
    Jim

    Racing! - Because football, basketball, baseball, and golf require only ONE BALL!

  3. #453
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    stovens is online now CHR Member Visit my Photo Gallery
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    I understand they accellerate very fast with instant torque curve!
    " "No matter where you go, there you are!" Steve.

  4. #454
    J. Robinson's Avatar
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    Yes, Steve. My son had a 2012 Chevy Volt. If he put it in Sport Mode and turned off the traction control it would spin the front wheels! He blew the doors off a Camaro one day from stoplight to stoplight. The Camaro would run him down on longer runs, but the Volt was very quick from 0 to 50. My 2013 was quick, too; I just never raced anyone with it, but I was always impressed with how it could push me back in the seat from a dead stop.

    Even my Electrathon cars will go from a dead stop to full speed very quickly if I slam the throttle suddenly wide open. It took me a long time to understand the difference. An internal combustion engine has to rev up into its "power curve" to develop maximum torque. An Electric motor is capable of max' torque as soon as the armature moves! Interestingly, the electric motor only makes big power when it needs to. The Etek motor in my Electrathon car is rated at 3.5 hp continuous (on 24 volts), but it will develop up to 8 hp under load. Of course, when it makes big horsepower under load it eats battery power. The Chevy Volt did the same; drive it conservatively and it had a 40 mile range before the engine started. Stomp the throttle at every chance and it would use the battery reserve in about half that.
    Dave Severson and stovens like this.
    Jim

    Racing! - Because football, basketball, baseball, and golf require only ONE BALL!

  5. #455
    Dave Severson is offline CHR Member/Contributor Visit my Photo Gallery
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    At the Winternationals this year, Chevy's electric Camaro was making passes in the low 10's! Just a prototype, but electric cars are progressing quite well in their performance and range.
    stovens likes this.
    Yesterday is history, tomorrow is a mystery, Live for Today!
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  6. #456
    ted dehaan's Avatar
    ted dehaan is offline CHR Member Visit my Photo Gallery
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    Jim thanks for the explaination I figured there was a reason just didn't know Y
    I'LL KEEP MY PROPERTY, MY MONEY, MY FREEDOM, AND MY GUNS, AND YOU CAN KEEP THE CHANGE------ THE PROBLEM WITH LIBERALISM IS SOONER OR LATER YOU RUN OUT OF OTHER PEOPLES MONEY margaret thacher 1984

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