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Giorgio Piola's technical analysis: Sauber’s clever suspension winglets

Discussion in 'F1' started by Giorgio Piola, Apr 11, 2018.

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  1. Giorgio Piola

    Giorgio Piola Rookie
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    The Sauber Formula 1 team is pushing design boundaries as it attempts to catch its Formula 1 rivals in 2018 with evolutions of its "aggressive" new car concept.

    After a difficult 2017 with a tricky car and year-old Ferrari engine, Sauber is expecting a stronger grand prix season after overhauling its aerodynamic philosophy and marrying that to a latest-spec power unit.

    It has adopted some radical solutions in areas of its C37, and here Giorgio Piola and Matt Somerfield look at how Sauber is pushing the limits of the rules in its bid to make steps up the grid.

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    Charles Leclerc, Sauber C37
    Photo by: Sutton Images

    One of novel solutions on the C37 is the use of winglets on the already raised upper front wishbone.

    The raised wishbone strategy was adopted simultaneously by Mercedes and Toro Rosso last season and helps the airflow find a clearer path to the sidepods and floor behind.

    Sauber has utilised the upper elements of this wishbone idea by fitting vertical winglets to help further align the airflow passing through.

    This also helps limit the turbulence shed from the tyre alongside and the damage that could cause downstream.

    The winglets fall into a grey area of the regulations, with the outer 125mm of the wishbone shroud classified as part of the brake duct rather than as part of the suspension.

    This is the first time such winglets have been used so aggressively in F1 on the top surface of the wishbone, but it is not the first time teams have played around in this area.

    Back in 2016, Toro Rosso featured a winglet that was hung from the lower wishbone, but this was nowhere near as complex as what Sauber has done.

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    Sauber C37 cooling inlets
    Photo by: Giorgio Piola

    Sauber has also made a lot of effort with its engine packaging, and is treading its own path when it comes to the sidepod solution too.

    Rather than adopt the low-slung side impact spar pioneered by Ferrari and copied by several others, it has created multiple inlets above and below the spar which changes the car's aerodynamic profile instead.

    Charles Leclerc finished 13th in the season-opening Australian Grand Prix, beating Lance Stroll's Williams, and though teammate Marcus Ericsson retired the Swede had only narrowly missed out on a Q2 slot on Saturday.

    Sauber technical director Jorg Zander told Motorsport.com that the team's target was now to avoid having "individual elements that all provide some performance, but are not linked to each other well enough in order to extract more out of it".

    "We've got a lot of good features on the car and they do work and provide a certain potential performance," he said.

    "What we need to get sorted is all these features being harmonised on a better level.

    "It's more to do with an improvement of the overall concept. We simply didn't have enough time to make sure this is all harmonised. I believe if we get this done we can unlock more potential."

    Additional reporting by Scott Mitchell
     
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  2. jgonzalesm6

    jgonzalesm6 F1 Veteran
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    Welcome to FChat. Looking forward to more of your technical analysis as I have read your other analysis from years past.
     
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  3. Hocakes

    Hocakes Formula Junior

    Apr 24, 2010
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    I love reading your stuff on motorsport.com. All the details we never to get to see on TV. And tons of carbon.

    Sent from my Nexus 6 using FerrariChat.com mobile app
     
  4. furoni

    furoni F1 Veteran

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    It's a pleasure to have your expertise, analysis and above all, your wonderfull drawings here on the f1 section of F Chat, i've been looking at your drawings ever since i was a kid and it's amazing to have you here, i hope you like it (here) and come as often as you can!
     
  5. crinoid

    crinoid F1 Veteran
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    LaCrinoid
    Awesome! Love your work. Please post much much more.
     
  6. Igor Ound

    Igor Ound F1 Veteran

    Sep 30, 2012
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    Grande Giorgio! Spero sia davvero tu! A few questions, :)

    What your opinion on Williams, how did they become slower than last year? Lowe, the drivers, Kubika or who else?
     
  7. Gatorrari

    Gatorrari F1 World Champ
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    Giorgio, always loved your work. I have all your "Formula 1 Technical Anaylsis" books, which are sometimes so detailed that even I, an engineer myself, have trouble figuring out what's happening! But don't let that stop you; I'm eagerly awaiting the next volume. Mille grazie!
     
  8. Giorgio Piola

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    Thank you, really appreciate it!
     
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  9. Giorgio Piola

    Giorgio Piola Rookie
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    Means a lot, thank you!
     
  10. Giorgio Piola

    Giorgio Piola Rookie
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    Thank you! I'll try my best :)
     
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  11. Giorgio Piola

    Giorgio Piola Rookie
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    Thank you so much, does mean a lot!
     
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  12. johnireland

    johnireland F1 Rookie
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    Now this is real F1 talk.
     
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  13. ingegnere

    ingegnere Formula 3
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    Wow - Giorgio Piola on FChat! Welcome and grazie tanto for your insight. I've been a huge fan since your Autosprint days.

    And thank you again for taking the time many years ago to respond to my e-mail to you asking about your discovery of the first ever splitter you discovered on the Rory Byrne designed '86 Benetton and the drawing you made of it.
     
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  14. Bas Jaski

    Bas Jaski Two Time F1 World Champ

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    I always read your articles with great interest, happy you're here Giorgio!
     
  15. Gator

    Gator Karting

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    I am also glad you have joined F Chat. I always go to the Official F1 Website to see your technical updates before and after every race.
     
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  16. Sig. Roma

    Sig. Roma Formula Junior

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    Benvenuto Giorgio !! I've read and heard a lot about you on both RAI and Channel 4 F1 broadcasts.
     
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  17. Giorgio Piola

    Giorgio Piola Rookie
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    Thank you so much!
     
  18. Giorgio Piola

    Giorgio Piola Rookie
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    My pleasure! Thank you for such a warm welcome!
     
  19. Giorgio Piola

    Giorgio Piola Rookie
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    Giorgio Piola
    Thank you! Sorry for a delay, still figuring out how to use functionality of the chat :)
     
  20. Giorgio Piola

    Giorgio Piola Rookie
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    Really appreciate it! Sorry for a delay, I'm still confused how to use the chat..
     
  21. Giorgio Piola

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    Unfortunately, Williams team is in a big technical crisis, 2 years ago the car was much better. I believe, there was some help from Mercedes there. One of the biggest problem is that this year's car, from what I see, suffers a lot with the cooling, it overheats. Paddy Lowe wanted to have similar solution he had for Mercedes, but something went wrong. I do believe this season will be very difficult, but I'm sure Paddy Lowe has the capability to transform the team, but he needs time, at least 3 seasons to plan step by step and make progress.
    Kubica for me is one of the biggest talents in Formula 1, but, unfortunately, he had massive accident, which caused big damage to him. He definitely has the potential to be a very good driver and without that accident he would have been one of the top drivers at the moment.
     
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