How much HP does the A/C drain?
06-21-2012, 06:54 PM
#21
Originally Posted by AP1_Silverstone' timestamp='1340203072' post='21796934
This is why in a near future I wanna have an electric motor running my belt so the engine don't lose any power..
Plus, like starchland said, there's no free power. Even if you could do it with an electric motor, it would just transfer the load to your alternator.
06-22-2012, 03:57 AM
#23
Originally Posted by bdo' timestamp='1340328858' post='21801834
[quote name='AP1_Silverstone' timestamp='1340203072' post='21796934']
This is why in a near future I wanna have an electric motor running my belt so the engine don't lose any power..
This is why in a near future I wanna have an electric motor running my belt so the engine don't lose any power..
Plus, like starchland said, there's no free power. Even if you could do it with an electric motor, it would just transfer the load to your alternator.
[/quote]
1 hp=746 watts
When you find the secret to "free power" you will be a rich rich man
06-22-2012, 07:40 PM
#26
Originally Posted by Curtis61' timestamp='1340105492' post='21793281
I'm pretty sure the compressor stays on at WOT. My Mazda 3 even cut it off at WOT, why the s2k doesn't idk.
That's probably accurate. Today I went WOT and the compressor didn't kick off, so it must be as your saying. Guess I'll stick to turning that AC button off when I want to play.
06-22-2012, 08:13 PM
#27
Originally Posted by bdo' timestamp='1340328117' post='21801805
[quote name='Curtis61' timestamp='1340105492' post='21793281']
I'm pretty sure the compressor stays on at WOT. My Mazda 3 even cut it off at WOT, why the s2k doesn't idk.
I'm pretty sure the compressor stays on at WOT. My Mazda 3 even cut it off at WOT, why the s2k doesn't idk.
That's probably accurate. Today I went WOT and the compressor didn't kick off, so it must be as your saying. Guess I'll stick to turning that AC button off when I want to play.
[/quote]
Always a good idea anyways, even in cars with WOT cutoff!
It's hard on the compressor cycling on and off if you are going WOT a lot, especially since the clutch re-engages at high RPM as soon as you lift. Ask me how I know you can blow a clutch this way...
06-23-2012, 05:00 AM
#28
I don't mean literally free power as without giving up something for power but recycled power is what I meant, using an electric motor to run the belt which its gonna charge the battery that the motor is using even tho is recycled power I see it as free power since u ain't really giving nothing up to move the motor... Sorry I'm not very good at putting my thoughts on the screen...
06-23-2012, 02:01 PM
#29
Originally Posted by rob-2' timestamp='1340072571' post='21792596
WOT will have the compressor turn off, so I cannot imagine you could measure the difference. I would say ~1% for AC. It's such a small difference there is no MPG improvement free with it on or off.
Head to the track and do some WOT runs with the AC on. You'll see, it gets plenty warm. Heck it's been in the high 90's here and at a few of my on ramps with WOT from 3-6k gets the compression turned off. I have to drive slow to stay cool.
I've also noticed the high RPM cutoff too.
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