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Thread: R5 News

  1. #5551
    Armchair General Mirek's Avatar
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    Long wheelbase may be an advantage on very fast events like Sweden or Finland. It may be a disadvantage on twisty roads like on Corsica. Definitely if it is a disadvantage somewhere, it's not in Sweden where we shall see it.

    Anyway Polo has newer stronger engine and different suspension layout (no idea about transmission). It's not a sister car because it's based on completely different platform. It's possible that Fabia Evo will have same engine like Polo but that's just my guessing.
    Stupid is as stupid does. Forrest Gump

  2. Likes: pantealex (19th February 2019),Sulland (18th February 2019)
  3. #5552
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    Quote Originally Posted by Mirek View Post
    Long wheelbase may be an advantage on very fast events like Sweden or Finland. It may be a disadvantage on twisty roads like on Corsica. Definitely if it is a disadvantage somewhere, it's not in Sweden where we shall see it.

    Anyway Polo has newer stronger engine and different suspension layout (no idea about transmission). It's not a sister car because it's based on completely different platform. It's possible that Fabia Evo will have same engine like Polo but that's just my guessing.
    Transmission is also Xtrac, but not exactly the same. Diffs are very similar, but for example disconnect unit completely different.
    Regarding the wheelbase you need to remember that each R5 car has base and +/-. So basically almost 50mm each car can be longer or shorter which is quite a lot. And usually when changing wheelbase castor also changes, which is influencing the turn-in, etc.

  4. #5553
    Armchair General Mirek's Avatar
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    I know that there is the tolerance +/- 1% of the stock nominal value (cca +/- 25 mm) but if anyone really checks it during the event I can't believe they can design the suspension so that they use complete tolerance limits for variable nominal position (different setup options). IMHO they need to use at least part of the tolerance to cover the real production and assembly inaccuracies.
    Stupid is as stupid does. Forrest Gump

  5. #5554
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    I don't know yet how it works with Polo, but for example with Fiesta you can easily change the wheelbase by ~40mm. Of course whole setup is affected then, so needs a lot of adjustments, etc but it's doable. Also depends on ride height, etc as this changes the wheelbase also (mostly on gravel where big ride height differences possible).
    And yes they check quite often the wheelbase, not only on WRC, ERC but also in national events, it's relatively easy to measure for scrutineers.

  6. Likes: Mirek (19th February 2019),pantealex (Yesterday),tommeke_B (19th February 2019),TWRC (Yesterday)
  7. #5555
    Senior Member TWRC's Avatar
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    There was an interview with Tamás Tagai, owner of TRT Europe about their new C3 R5. He said that the main advantage of this car (and other PSA R5s) is the easy serviceability compared to the Fiesta and Fabia. One interesting detail he showed was the position of the turbo, which is in front of the engine, rather than near the scuttle panel as was in the 208/DS3, Fabia etc. He said that by their initial judgement, the car has good potential and looks to be well thought out and well designed, but obviously they have yet to run it on a rally. They are currently negotiating with drivers for programmes with the car, and he said hopefully they can run it both in Hungary and abroad as well.

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  9. #5556
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    I think this "easy serviceability" is related only to turbo, for sure rest is more "complicated" than Fabia or especially Fiesta.

  10. Likes: dimviii (Yesterday),Mirek (Yesterday),pantealex (Yesterday)

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