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Type: Posts; User: Mrpengski

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  1. Replies
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    The car is partially stripped down and spends 1...

    The car is partially stripped down and spends 1 or 2 days in the bodyshop after a particularly hard rally. By that I mean the expected wear and tear without any unplanned activities like a roll, etc....
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    There is still quite a bit that can be done for...

    There is still quite a bit that can be done for the "optional" homologated and non-homologated parts.
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    Interesting. The cross tyre setup was a new...

    Interesting. The cross tyre setup was a new concept for me when I joined WRC. I do recall the WRC TV commentators were discussing the merits of left-to-right mix, instead of cross. Apparently this...
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    Agree on all points. Now that more detailed...

    Agree on all points. Now that more detailed pictures are showing up online, it's even clearer what they did. I particularly like the outlets towards the side of the car on their new front bumper....
  5. Thread: WRC Testing

    by Mrpengski
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    7,194,735

    I can appreciate your professional background and...

    I can appreciate your professional background and therefore you could be looking at the "Toyota" mirrors from a certain perspective. But keep in mind that this style of mirror was run on DTM cars...
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    Mostly, yes.

    Mostly, yes.
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    Revman, teams were allowed a certain number of...

    Revman, teams were allowed a certain number of "jokers" to spend on updating homologated parts (it's not free-for-all like F1 for example), split between engine and chassis. How they count each...
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    All the cars have the same spec, apart from the...

    All the cars have the same spec, apart from the new rear bumper/fender which has been on Neuville's car only since Wales.

    Keep in mind these cars carry ballast to be brought up to the minimum...
  9. Thread: Hyundai WRT

    by Mrpengski
    Replies
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    1,467,245

    Check out the test videos for Wales, the test car...

    Check out the test videos for Wales, the test car was already running the new rear fender and bumper.
    ...
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    Interesting news indeed. VW also did it with...

    Interesting news indeed. VW also did it with their Polo R WRC (the road car), which was different from the standard version by more than just a bigger engine. The drivetrain or engine is not really...
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    Door handles, yes. None of the current WRC cars...

    Door handles, yes. None of the current WRC cars have lights from the standard car, except maybe just the tail light lenses in some cases.

    Roof as part of bodyshell is standard, with holes cut...
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    Well Nick, if Metal Matrix "Composite" is not a...

    Well Nick, if Metal Matrix "Composite" is not a composite material, then what is? :) For once, the public copy of the regulation shows the same information as the working copy in this case:
    ...
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    The biggest difference in sound comes from the...

    The biggest difference in sound comes from the anti-lag system or ALS. Here, you can hear it activate on some cars before they rev up. https://www.youtube.com/watch?v=a5SjKyP3Wk0
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    I don't know if anyone is using it, but it's...

    I don't know if anyone is using it, but it's allowed.
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    In case of the engine, it is disassembled to the...

    In case of the engine, it is disassembled to the last bolt and nut and each and every part is inspected and characterised in the homologation. And it can be checked to this level of detail at any...
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    Ti is not allowed unless it is basically a...

    Ti is not allowed unless it is basically a sub-component of a catalogue part. Suspension components are not part of that.

    Mg also not allowed other than the wheels.
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    All good guesses, here is the final hint. ...

    All good guesses, here is the final hint.

    https://cdn-7.motorsport.com/images/mgl/Y9v13D76/s8/wrc-hyundai-i20-wrc-2017-testing-2016-hyundai-i20-wrc-2017-testing.jpg
  18. Replies
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    Poor person's flow-viz. Take your pick. Water:...

    Poor person's flow-viz. Take your pick.

    Water:
    https://www.ewrc.cz/images/2017/photos/ypf_rally_argentina_2017/mes_argentina_09.jpg

    Dirt (this one is really good):...
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    Damper internals - no change from previous...

    Damper internals - no change from previous regulation as far as I know.

    What could have happened with the mirrors (I don't know for certain) is that the FIA said not allowed, end of story. Simply...
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    Hi Revman, 1) Yes, roof vent (bit of a...

    Hi Revman,

    1) Yes, roof vent (bit of a misnomer) for cockpit ventilation.
    2) Teams run a pre-event test in representative terrain/surface before each rally, which is where the baseline setup of...
  21. Replies
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    Nick, supposedly the flaps forward of wheels have...

    Nick, supposedly the flaps forward of wheels have some masking effect and can reduce the pressure if done right. Sorta like the rear wheel scraper certain F1 runs I guess ;)

    We tested both rigid...
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    That's another funny point. The 2016 255a is...

    That's another funny point. The 2016 255a is cleaned up and presented in portrait A4 format, which is what is typically available to the public. They haven't done that yet with the 2017 255a, rather...
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    We will have to wait until they publish the new...

    We will have to wait until they publish the new regs in the fully condensed format, like article 255a for 2016 which you can find on the FIA website. From 2016:

    1333
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    What, you weren't satisfied with "we lost...

    What, you weren't satisfied with "we lost hydraulic so we were RWD"? :D

    I can't say anything chiefly because I myself don't fully understand everything, so I can't distinguish what's common...
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    Nick, indeed the 400/01 form refers to the...

    Nick, indeed the 400/01 form refers to the homologation dossier specific to each car. But in the working copy of the reg, this column is where you will find all the technical details. I know, because...
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