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  1. #5611
    Senior Member Mirek's Avatar
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    Quote Originally Posted by dimviii View Post
    The direction of Polo R5 is supplied by the Italian company Sportech, which belongs to the former WRC designer, Mario Fornaris. It is not a minor fact to remember that this supplier also equips the Skoda Fabia R5, whose concept was the inspiration for the Polo R5. Technically, the direction of the two vehicles is almost identical.
    This is not true at all, oh God...

    The suspension layout of the two cars can not be more different within the existing rules. Polo R5 suspension is based on the concept of Fabia S2000 not the R5 which is completely different and I believe that one of the reasons why it is different was to get rid of the power steering issues.

    It's a simple fact that the higher castor the higher forces in the steering hence why steering issues are well known with most of the cars with so heavily inclined front struts.
    Stupid is as stupid does. Forrest Gump

  2. Likes: Jeppe (8th April 2019),pantealex (9th April 2019),RS (9th April 2019),the sniper (8th April 2019),TWRC (10th April 2019)
  3. #5612
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    Μirek imho when they said that they are identical,they dont mean the tie rod ends ,but just the mechanism of steering.

  4. #5613
    Senior Member Mirek's Avatar
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    That doesn't make sense either.

    Everything in the motorsport is pushed to the limit and if there are much lower forces in the steering of the Fabia (which is what I believe in) its steering for sure wasn't designed for completely different force values in a car to come years later.

    Also we know that the steering rack ratio and the feeling from the steering in both cars is very different (and ironically it feels lighter in Polo, i.e. the power steering pump is most likely reasonably stronger).
    Stupid is as stupid does. Forrest Gump

  5. #5614
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    Quote Originally Posted by Mirek View Post
    . the power steering pump is most likely reasonably stronger).
    or same pump working at higher pressure just to cope with the higher forces due to different polo design?...
    anyway its not the first time somebody will make wrong calculations,or decide wrong.

  6. #5615
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    For me the most interesting is why it was not happening during so long test phase...
    And first thing they did was to issue Bulletin that rebuild period of the rack is lowered from 2000 to 1000kms... but most issues happened way before that limit...

  7. Likes: Mirek (10th April 2019),the sniper (9th April 2019)
  8. #5616
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    What is the 'suspension grid' that the article talks about? I'm guessing a poor Google translation.

    Perhaps one advantage of Skoda having run a works team with their cars is that issues are found and solved quicker. The Polo debuted, what, six months ago?.. so should be over teething troubles by now.

  9. #5617
    Senior Member Fast Eddie WRC's Avatar
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    Seems to me VW were so confident in their testing that they were happy to let customers buy and run their cars in competition without having done so themselves.

    And as we know in rally, testing is one thing but competition is another.

  10. #5618
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    Well, they did one, many tests were also quite thorough, running until its axle falls apart etc.
    Last edited by Tarmop; 10th April 2019 at 18:24.

  11. #5619
    Senior Member Rally Power's Avatar
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    Quote Originally Posted by skarderud View Post
    Mads Østberg said in a (rally)podcast (lyktepodden at Spotify and other) that they have tested and going to homologate a totaly new rear suspention, and some other parts to the C3 R5, but its not ready to the next rallies.
    He also said that it was something fundamentally wrong with the construction of the R5, same stuff like the WRC.
    He also said ha was not afraid to tell what he thinks, to whoever he speaks to

    Sent fra min SM-G950F via Tapatalk
    Lukyanuk also wasn’t at ease with the C3 before Azores Rally, but instead asking to change the whole car he changed his driving style and succed to be fast. That’s the approach of a champ.
    Rally addict since 1982

  12. Likes: PLuto (10th April 2019)
  13. #5620
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    Quote Originally Posted by Rally Power View Post
    Lukyanuk also wasn’t at ease with the C3 before Azores Rally, but instead asking to change the whole car he changed his driving style and succed to be fast. That’s the approach of a champ.
    He coudnt do something else. Mads can work at changes with Citroen.
    be sure that Luky could be much faster with a car suits him,or doesnt behave strangely.

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