Post #1
Maybe I am wrong but do our cars perform any better in the winter because of the freezing cold air.
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displaying posts 1 to 10 of 10
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 yourbest16s
Newbie  Location: fulham Registered: 15 Jul 2008 Posts: 14 Status: Offline |
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 Posted 15th Nov 2009 at 20:42
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jaydog81
Regular  Location: york Registered: 12 Dec 2007 Posts: 351 Status: Offline |
Post #2
No you are not wrong!Same principle as Nos but obvouisly thats freezing so will get bigger gains!  ________________________________________ *jay81.Phase 2.5/S-99 Team i live for working,Paying bills and funding my hobbies. I wish my life could be just living for a pink "I love the 6 sticker".  |
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Posted 15th Nov 2009 at 20:40
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adam b
Seasoned Pro  Location: The Nam Registered: 24 Jan 2006 Posts: 12,828 Status: Offline |
Post #3
jaydog81 wrote: No you are not wrong! Same principle as Nos but obvouisly thats freezing so will get bigger gains! I see what you are trying to get at, but about a 95% fail on that one fella. But yes cold air does improve things a little. Try a turbo car to really notice the difference. ________________________________________ Nothing to see here |
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Posted 16th Nov 2009 at 00:24
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monkeyman
Seasoned Pro  Location: Sunny St Albans Registered: 01 Oct 2008 Posts: 1,955 Status: Offline |
Post #4
As a rule of thumb a 10oC drop in air temps will give you about 3% more power due to the increase in air density and the extra fuel that can be injected.This is why turbo cars use an intercooler, to reduce the air inlet temps. Denser air will cause more drag so you may only notice the benefit at lower speeds  ________________________________________ Spanner Monkeys Monkey SpannerForum Search Clicky |
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Posted 16th Nov 2009 at 19:03
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monkgti
Regular  Location: New Ross Registered: 31 Jul 2009 Posts: 343 Status: Offline |
Post #5
yeah i always like driving the car in the cold wether always seems a bit more nippy where as in the real hot summer days they feel a little sluggish, like adam said you really notice the difference between the hot and cold wether in a turbo car, as i did in the scooby....________________________________________ IF YOU CAN READ THIS IM STILL IN 5TH!!! |
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Posted 17th Nov 2009 at 00:09
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leebus
Senior User  Location: Somersetshire Registered: 24 Sep 2007 Posts: 555 Status: Offline |
Post #6
it will be getting the most air when its foggy, which is abit of a bummer as you cant see where you are going! ________________________________________ Phase 3 White6 |
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Posted 18th Nov 2009 at 16:18
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rallyestyle
Seasoned Pro  Location: London Registered: 23 Jul 2003 Posts: 14,990 Status: Offline |
Post #7
One does forget however that with the wind such as that like we are experiencing at the moment the 3% extra power from a bit of cool air is gonna do diddley squat in terms of speed  ________________________________________ Just Drive It |
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Posted 18th Nov 2009 at 16:37
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allesclar
Seasoned Pro  Location: Sheffield Registered: 17 May 2009 Posts: 4,254 Status: Offline |
Post #8
monkeyman wrote: As a rule of thumb a 10oC drop in air temps will give you about 3% more power due to the increase in air density and the extra fuel that can be injected. This is why turbo cars use an intercooler, to reduce the air inlet temps. Denser air will cause more drag so you may only notice the benefit at lower speeds negligable. As density of a matter increases, so does the resistance of a body moving through it. So basically even if your car moves abit faster, it only seems it as its harder work for your car to get through colder air. This is all so so small though but i though i would point out that when air is warmer, its thinner and has less resistance to an object moving through it  :thumbups ________________________________________ Team allesclar ® |
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Posted 18th Nov 2009 at 16:44
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phillipm
Seasoned Pro  Location: Rotherham Registered: 15 Oct 2006 Posts: 20,607 Status: Offline |
Post #9
Yup, but as pointed out, weight is the main problem with acceleration at low speeds, not drag, so it'll feel faster in accleration...________________________________________ - Bespoke rollcages/additions/adjustments. Half cages right up to complete custom spaceframes - MSA/FIA spec, CDS, ROPT, T45, etc - PM meEmail me! Custom-made polybushes available - need an odd size or fitment? - anything from batch work to one-off pieces. |
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Posted 18th Nov 2009 at 17:03
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fletch
Track Head  Location: The nearest Shell garage Registered: 12 Jun 2004 Posts: 12,273 Status: Offline |
Post #10
jaydog81 wrote: Same principle as Nos but obvouisly thats freezing so will get bigger gains! WTF!  |
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Posted 18th Nov 2009 at 18:19
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