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What are these????????

Discussion in 'Members' Lounge' started by Dustin_m, Aug 29, 2003.

  1. Dustin_m

    Dustin_m Active Member

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    Hey i see these a lot and was just wondering if anyone knew the purpose of them. i know that most of them on the bodykits serve no purpose but a few sports cars have them. i know it has to do with aerdynamics and stuff but what is it really??

    [​IMG]

    I know the new Benz McLaren has them also. arent they called diffusers or something like that????
     
  2. pissedoffsol

    pissedoffsol RETIRED

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    thats called a concept car :p
     
  3. Dustin_m

    Dustin_m Active Member

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    i'm talking about the fins on the bottom.
     
  4. sportlinecrx

    sportlinecrx Banned

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    those are probably just to strasighten the airflow under that part of the car...and so it doesnt look like a big empty hole.
     
  5. pissedoffsol

    pissedoffsol RETIRED

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    to be quite honest- what you circled, looks like the exahusts to me
     
  6. Dustin_m

    Dustin_m Active Member

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    alright how bout this is it clear enough????

    [​IMG]

    or this

    [​IMG]
     
  7. sportlinecrx

    sportlinecrx Banned

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    they really dont do anything. they are just design elements.
     
  8. Slo86GT

    Slo86GT Super Moderator

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    Those are diffusers.

    On race cars, they are there to create a smoother stream of airflow out from under the car, allowing less wind resistance.

    On body kits, they are all show, because Civics DO NOT have a flat floorpan leading up to those. Which means they are useless without creating a new floorpan under there to lead up to the diffusers.

    Let me get a pic of a race car that has them...

    If the pic doesn't work, go here: http://www.fast-autos.net/saleen/s77.jpg

    [​IMG]

    And another: http://www.fast-autos.net/dodge/compcoupe23.jpg

    [​IMG]
     
  9. sportlinecrx

    sportlinecrx Banned

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    i thought diffusers were holes in the bumper
     
  10. Dustin_m

    Dustin_m Active Member

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    Thats basically what i thought. the only reason i linked the buddy club kit was because u could see them clearly. on every sports car that really has them, they are black, or usually a different color, so its hard to see them, as with the S7, and also the new Benz-Mclaren if u look at that.

    [​IMG]

    Another question. you think that the SSM (concept car) diffusers are for show or for real
     
  11. khrisb

    khrisb ******

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    No you're thinking speed holes...
    :lol:
     
  12. sportlinecrx

    sportlinecrx Banned

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    they proabably come into play when the car gets over 100mph or so. i guess if a car can get really fast, they are not just rice.
     
  13. Dustin_m

    Dustin_m Active Member

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    hey so if you said that they only work when the bottom of the car is flat, do you mean it has something covering the bottom , or just that the exhaust and everything is tucked up close to the body and it just doesnt have anyhting big to interrupt the airflow.
     
  14. Slo86GT

    Slo86GT Super Moderator

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    Both ways. Lots of race cars comver up everything underneath. Another group cuts out the entire rear floor, and puts in a new flat floor, and just run the exhaust under that.

    It all depends on how serious you wanna be. :)
     
  15. Dustin_m

    Dustin_m Active Member

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    Since most of the cars here are RWD, then what happens with the driveshaft and rearend. i know its a little off topic for HS but might as well ask.
     
  16. pissedoffsol

    pissedoffsol RETIRED

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    [​IMG]

    the bottom of an F1 car, for example, is fucking pretty. its so smooth, and in doign so, helps create a suction to the ground as it goes over it.
     
  17. Dustin_m

    Dustin_m Active Member

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    Yeah i know, downforce, or in other words lower air pressure below and higher pressure above. Same way plane wings work, jsut opposite.
     
  18. Dustin_m

    Dustin_m Active Member

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    hey what do the colors on there stand for B??
     
  19. sportlinecrx

    sportlinecrx Banned

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    ita a gay/lesbian's car. j/k ;)

    it looks like infrared spectrum/temperature readings. notice how it says the "freestream mach number is 0.00". i think that signifies that the car is not moving. that would explain the cool underside of the tires (because they are shadowed/not exposed to exterior light source or cause they are resting on a cool surface). but it looks like the car has been recently run because the tires and exhaust area are red.
     
  20. pissedoffsol

    pissedoffsol RETIRED

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    if i was drunk enough, id consider sucking a dick for an f1 car...

    :ph34r: :ph34r: :ph34r: :ph34r: :ph34r: :ph34r: :ph34r: :ph34r: :ph34r: :ph34r: :ph34r: :ph34r: :ph34r: :ph34r: :ph34r:

    maybe.... um... i dunnoo.... i'd have to think abotu that one.... lol
     
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