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Thread: Rally 3 class

  1. #181
    Senior Member Rally Power's Avatar
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    It won't be hard to have Rally3 in next year rally series, inside current classes or as a new one. The main doubt is on the final rules; when it was decided to extend the engine limit to 1620cm3 it was told that the restrictor would be seized according to the cars engine capacity but in June the FIA imposed a 30mm restrictor for all the cars. That hurts the cars with smaller engines and unless those can get a lower weigth it may be hard for manus like Peugeot or Renault to join Rally 3.
    Rally addict since 1982

  2. #182
    Senior Member Andre Oliveira's Avatar
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    Rally3 -> RC3
    R3 -> RC4

  3. #183
    Senior Member Mirek's Avatar
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    Quote Originally Posted by Rally Power View Post
    It won't be hard to have Rally3 in next year rally series, inside current classes or as a new one. The main doubt is on the final rules; when it was decided to extend the engine limit to 1620cm3 it was told that the restrictor would be seized according to the cars engine capacity but in June the FIA imposed a 30mm restrictor for all the cars. That hurts the cars with smaller engines and unless those can get a lower weigth it may be hard for manus like Peugeot or Renault to join Rally 3.
    I have asked you already once. Why do you think that a bigger engine with the same small restrictor would have bigger power? IMHO it's opposite.
    Stupid is as stupid does. Forrest Gump

  4. #184
    Senior Member Rally Power's Avatar
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    Come on mate, how can you believe that a 1.2L engine can match a 1.6L engine using the same restrictor? If engine capacity doesn't matter why don't we see manus building R5 cars with 1.2 or 1.3 engines?
    Rally addict since 1982

  5. #185
    Senior Member AnttiL's Avatar
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    Quote Originally Posted by Andre Oliveira View Post
    Rally3 -> RC3
    R3 -> RC4
    Does the old R3 still exist in 2021?

  6. #186
    Senior Member AnttiL's Avatar
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    Quote Originally Posted by Rally Power View Post
    Come on mate, how can you believe that a 1.2L engine can match a 1.6L engine using the same restrictor? If engine capacity doesn't matter why don't we see manus building R5 cars with 1.2 or 1.3 engines?
    Difference is more in torque, not top power?

  7. #187
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    Quote Originally Posted by Rally Power View Post
    Come on mate, how can you believe that a 1.2L engine can match a 1.6L engine using the same restrictor? If engine capacity doesn't matter why don't we see manus building R5 cars with 1.2 or 1.3 engines?
    a bigger engine needs more air.The small restrictor from a smaller engine will not allow enough air ,to full its bigger cubic displacement.This engine will not rev as it has to rev,so yes depenting to how smaller the restrictor is,maybe has same or lower horsepower.
    Horsepower is at upper revs,where the engine could not breath correctly due to smaller restrictor.
    Torque will not affected so much,maybe not at all
    All these can happen when the restrictor is way to small for the bigger engine at our example.

  8. #188
    Senior Member Rally Power's Avatar
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    Yep, I can understand that when using a small restrictor the engine capacity difference won't be so damaging, but it'll always be noticed, both in power and torque. That's why weight classes are needed.
    Rally addict since 1982

  9. #189
    Member m-ast's Avatar
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    Quote Originally Posted by AnttiL View Post
    Does the old R3 still exist in 2021?
    DS3 has homologation until 2022, and Clio until 2025

  10. #190
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    Quote Originally Posted by AnttiL View Post
    Does the old R3 still exist in 2021?
    Yes.

    FIA Hologation is still valid.
    "quattro best 4wd rallycar ever"

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