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**chief tool** · 6-20-08, 1:27

Thats 'cos your a/c draws a fixed amount of power, engine torque that equates to about 10kW at traffic speeds, but varies a bit of the speed range of the compressor with the temp differential between in and out ...blah..blah etc.

I used to have a diahatsu charade when i was uni (college) and it had 41kw at the flywheel, the a/c felt like it drew 25% of the power too!

There is no way the a/c would use less power than window down, unless your talking about all four windows down at 120km/h (75Mph)

best way to save gas is not to drive unecessarily... the rest of the stuff isn't going to make enough difference to buy you an extra cup of coffee.

6-20-08, 1:27	#79 (permalink)
chief tool Join Date: Feb 2006 Location: Sydney, Australia Age: 36 iTrader: (2)	Thats 'cos your a/c draws a fixed amount of power, engine torque that equates to about 10kW at traffic speeds, but varies a bit of the speed range of the compressor with the temp differential between in and out ...blah..blah etc. I used to have a diahatsu charade when i was uni (college) and it had 41kw at the flywheel, the a/c felt like it drew 25% of the power too! There is no way the a/c would use less power than window down, unless your talking about all four windows down at 120km/h (75Mph) best way to save gas is not to drive unecessarily... the rest of the stuff isn't going to make enough difference to buy you an extra cup of coffee.
	84 626 sedan FE SOHC turbo (sleeper) 89 626 5 door F2T 90 323 sedan B6 SOHC Slug-o-matic DD, sold...too slow