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Article #4898Re: ELECTRIC CARS MUST BE CARBON FIBRE 300KG (NOT 3 TONNES!)
From: Trevor
Date: Tue, 14 Aug 2012 09:20
Date: Tue, 14 Aug 2012 09:20
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2191 bytes
"Sylvia Else" <sylvia@not.at.this.address> wrote in message news:a8tm07Fup4U2@mid.individual.net... > On 14/08/2012 7:55 AM, Graham Cooper wrote: >> Electric Cars will need a 5 KILOWATT Engine >> (2 AIRCONDITIONERS WORTH OF POWER) >> >> NOT a 100KW ENGINE (50 AIRCONDITIONERS POWER) > > The power requirements of a vehicle are not just a function of its mass. > At higher speeds, wind resistance is a major factor, Pretty easy to make cars fairly aerodynamic at legal speeds these days. >and won't be changed by making the vehicle lighter. You have to make the passengers lighter as well! That's the hard part these days :-( Trevor.
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From: "Trevor" <trevor@home.net>
Newsgroups: sci.skeptic,aus.tv,aus.cars
Subject: Re: ELECTRIC CARS MUST BE CARBON FIBRE 300KG (NOT 3 TONNES!)
Date: Tue, 14 Aug 2012 19:20:10 +1000
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