Where do I post about conversions?

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Old 01-14-14, 06:11 AM
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Where do I post about conversions?

I am wanting to check into converting my Ford Ranger (pickup) into a plug-in electric, and I have many questions. One of which is the gear ratio I need to spin 30 inch mud tires with the motor.
 
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Old 01-14-14, 06:21 AM
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This forum is fine... Not sure if anyone can help you regarding gear ratio.. There are things to consider like torque of motor and such.. Battery power/amps and what not...
 
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Old 01-15-14, 02:05 AM
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There are hundreds, if not thousands of Internet sites to guide you in the conversion process and there are dozens of books that go into great detail on the engineering aspects of EV design. Figuring the gear ratio comes quite a bit later in the entire process. Remember, Google is your friend.
 
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Old 01-15-14, 12:00 PM
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I have seen that second gear is often used, but beyond that, I have dug up very little from my expeditions on Google. I would figure someone would have a HOWTO but I guess they keep it all in the books. What are some good ePubs to check out?
 
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Old 01-15-14, 09:54 PM
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It has been several years since I have done any detailed work with the design of an EV. I have a couple of booklets (currently don't know where they are) and for a budget conversion they all seem to recommend retaining the original vehicle transmission. That would give you the ability to shift gears as necessary to meet the requirements of the vehicle and the proposed motor.

Now, if what you are really asking is what gear ratio is needed from the output shaft of the motor to allow the vehicle to travel at a given speed...that is a bit different and depends on the power of the motor, the speed of the motor, the weight of the vehicle and the circumference of the tires along with any gear ratio built into the differential. Without ALL of these variables tied down it is impossible to answer the question.

AS stated, Google is your friend. Here is an article I found in less than a minute that has lots of links that may help. Converting Your Car To An Electric Vehicle : TreeHugger
 
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