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Old 06-10-2008, 10:50 PM   #1 (permalink)
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Hi there, I am new to the ev world and the more I read the more I want to have one or make one myself. So if everyone does not mind I have a question. What does cd mean? I know, I know, but I am new and the only thing I can understand is that it has to do with the aerody. of an vech. Please help this newby to be a better person....


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Old 06-11-2008, 08:26 AM   #2 (permalink)
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Welcome to the site gdaryl333. Building an EV is a great way to get away from the gas station!

To answer your question, Cd is coefficient of drag...

"The drag coefficient (Cd, Cx or Cw, depending on the country) is a dimensionless quantity that describes a characteristic amount of aerodynamic drag caused by fluid flow, used in the drag equation."

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Old 06-11-2008, 04:32 PM   #3 (permalink)
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Welcome to ecomodder! You've come to the right place,
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Old 06-11-2008, 10:53 PM   #4 (permalink)
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Welcome to the forums!

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Old 06-12-2008, 10:19 AM   #5 (permalink)
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Thank you and thank you daox for your help. I am very interested building my own ev. I love doing projects, and lately I have been turning to the green side. I am looking into being more eco-friendly. I have just finished a small solar panel install on our barn, to power the lights and fans in there. It works great and soon after a little more research will do one for the house. So right now I am just trying to understand what is involved and learning.
Thanks again

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