Cosworth to be more competitive then you think next season? quite possibly...
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  1. #1
    Banned orestes's Avatar
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    Default Cosworth to be more competitive then you think next season? quite possibly...

    Cosworth clears the 20000 rpm mark for there new V8 engine

    http://www.itv-f1.com/News_Article.aspx?PO_ID=34696

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  2. #2
    1000+ Posts kermit's Avatar
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    If the limit is 20k then what is the idle speed? 6, 7, 8k or even higher?
    Cheers Simon
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  3. #3
    Banned orestes's Avatar
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    Quote Originally Posted by kermit
    If the limit is 20k then what is the idle speed? 6, 7, 8k or even higher?

    Don't know, that's the first article I found on it, obviously it would probably be fairly high, but to claw back any rseemelance of previous power figures these motors are going to have to be far more strung out and reving at much higher RPM ofcourse this is going to cause issues such as valve bounce, but can you imagine the sound of that thing, I can't wait till it's time for Melbourne next year

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    Fellow Frogger! Roland's Avatar
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    Quote Originally Posted by orestes
    Don't know, that's the first article I found on it, obviously it would probably be fairly high, but to claw back any rseemelance of previous power figures these motors are going to have to be far more strung out and reving at much higher RPM ofcourse this is going to cause issues such as valve bounce, but can you imagine the sound of that thing, I can't wait till it's time for Melbourne next year

    I downloaded a video clip of the F1 Cosworth V8 increasing in steps up to 20,002 RPM then settling back to idle at 9,002RPM way back on 26th September. I got it from the Cosworth Internet site (www.cosworth.com) but I haven't been able to access the site over the last 2 days.

    Google says it's still there!

    http://www.google.com/search?hl=en&q=cosworth

    It's 2.3Mb so I can't upload it to AF due to its size.
    Last edited by Roland; 19th December 2005 at 06:14 PM.

  5. #5
    1000+ Posts kermit's Avatar
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    Quote Originally Posted by orestes
    much higher RPM ofcourse this is going to cause issues such as valve bounce
    The 20k limit isn't that much higher than the V10s. I think they were hitting 18-19k rpm. I guess the V8s will be just as load as the V10s were.
    Cheers Simon
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  6. #6
    Fellow Frogger! Roland's Avatar
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    Quote Originally Posted by kermit
    The 20k limit isn't that much higher than the V10s. I think they were hitting 18-19k rpm. I guess the V8s will be just as load as the V10s were.
    One team in 2005 - I forget which one - could get to 19,250RPM but for reliability used to run to about 18,000.

  7. #7
    Fellow Frogger! Roland's Avatar
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    Quote Originally Posted by Roland
    I downloaded a video clip of the F1 Cosworth V8 increasing in steps up to 20,002 RPM then settling back to idle at 9,002RPM way back on 26th September. I got it from the Cosworth Internet site (www.cosworth.com) but I haven't been able to access the site over the last 2 days.

    Google says it's still there!

    http://www.google.com/search?hl=en&q=cosworth

    It's 2.3Mb so I can't upload it to AF due to its size.
    Its working now:
    Right click on the link if you want to save it to your computer.

    COSWORTH VIDEO
    See an F1 V8 engine run to 20,000rpm on Cosworth's dyno! [http://www.cosworth.com/downloads/co...977ea22fddcba]

  8. #8
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    Quote Originally Posted by orestes
    Don't know, that's the first article I found on it, obviously it would probably be fairly high, but to claw back any rseemelance of previous power figures these motors are going to have to be far more strung out and reving at much higher RPM ofcourse this is going to cause issues such as valve bounce, but can you imagine the sound of that thing, I can't wait till it's time for Melbourne next year
    Not quite sure that valve bounce is such an issue with pneumatic valve systems employed on modern F1 engines.

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