Re: [WT] Re: Idea going round in my head... [Hybrid conversion]

Tobias Gogolin · 2007-09-18T21:16:20-07:00

Thanks for the comments! Its true the cost will probably make this a longer term perspective for me, but it seems an idea worth pursuing considering the overwhelming negative aspects of fossil fuel

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Re: [WT] Re: Idea going round in my head... [Hybrid conversion]

Tobias Gogolin All Messages By This Member #149430 Thanks for the comments! Its true the cost will probably make this a longer term perspective for me, but it seems an idea worth pursuing considering the overwhelming negative aspects of fossil fuel operation... I have been debating weather the e-motor should go front or back. Pro front electric: while recovering energy when braking the front has much more capacity Pro rear electric: The rear doesn't have manual hubs so the disconnect in case of operating electrically will still turn the rear differential and the drive shaft wasting energy... Pro front electric: theoretically with an E-motor with input and output shaft the full power 4WD mode can still be implemented via transfer case! As the electromotor will likely have to be geared down, in case where the wheels are tuning the motor this will add extra turning resistance. Pro front electric: The motor can be manually disconnected Pro rear electric: Its better to pull resistance than to push it (when coasting or driving with internal combustion engine) So you see there are quite a number of issues to be considered... I'm still undecided... It appears that motors show up on ebay between $200 and $2000 the controller will likely cost $300-600 Lead acid batteries are relatively inexpensive but heavy... (another $500) Other types are hard to find and I suspect quite expensive... The electro motors aren't even that heavy for example People are converting cars all over the place but its true usually they throw out the ICE and put in electric... Has anybody seen that Porsche electric conversion where the guy made a (hybrid) trailer consisting of a golf rabbit front end where the motor is converted into a charger? toggle quoted message Show quoted text On 9/18/07, Donny H. Dickey <b.i.x@...> wrote: A very interesting idea, but I don't think it would work as a practical matter. maybe as a 'concept' vehicle but not as something you'd actually drive around. The front axle isn't made to take the full torque of the engine for starters. Certianly not for everyday hard-surface driving. You'd probably better off hooking the electric motor to the front driveshaft for that reason. An interesting knock off on that idea would be to mount an electic motor in place of a PTO. Not sure if that can be done on the -20, but should theoretically be possible on an older Jeep with the -18. I agree with the observation about weight. Those motors and their batteries are seriously heavy and very expensive. As a practical matter there are several more cost effective ways to increase your gas mileage considerably (and 'hybrid' mileage isn't all its touted to be even on cars built from the ground up) AND keep your CJ-7 a 4WD. If you like the idea for the novelty, go buy an old DJ-5x(postal jeep) they're 2wd, lighter, and a dime a dozen. Would make a good engineering test bed and who knows. Might 'discover' something new. --- In WillysTech@..., "Tobias Gogolin" <usertogo@...> wrote: Hey everybody! I'm new to this list, just subscribed, and im happy to see how active this group is! With rising fuel prizes and all I have been thinking... What if I removed the rear drive shaft and placed an electric motor there Then I could drive on batteries for the short local hauls and when I run down the battery I can simply lock the front hubs and continue driving with the normal motor... Anybody ever try that? I have an 84 CJ7 with the 4.2l inline 6 -- Tobias Gogolin cel. (646) 124 32 82 skype: moontogo messenger: usertogo@... You develop an open source motor controller at Support WillysTech -- Check out the WT Bookstore _/ _/ _/ _/ _/ _/ _/ _/ WillysTech _/ _/ _/ _/ _/ _/ _/ _/ WillysTech Parts Board - Sell/Buy Vehicles and Parts WillysTech Registry - Add your vehicle WillysTech KnowledgeBase - Search the Archives _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ Yahoo! Groups Links -- Tobias Gogolin cel. (646) 124 32 82 skype: moontogo messenger: usertogo@... You develop an open source motor controller at

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Re: [WT] Re: Idea going round in my head... [Hybrid conversion]