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taattor's avatar
taattor
3 years ago
Solved

Straight line speed on different wings and ride height

Good morning!

Has anyone made a speed test on different ride heights and wing combinations?

For example speed differences on the following ride heights
3-2 -3 -5 -8 -11
4-2 -3 -5 -8 -11
6-2 -3 -5 -8 -11
8-2 -3 -5 -8 -11
10-2 -3 -5 -8 -11

…and speed differences on the following wing settings
0-5 -10 -15 -20 -25 -30 -35 -40 -45 -50
5-5 -10 -15 -20 -25 -30 -35 -40 -45 -50
10-5 -10 -15 -20 -25 -30 -35 -40 -45 -50
15-5 -10 -15 -20 -25 -30 -35 -40 -45 -50
And so on…

If someone is willing to complete the test I could provide visual graphs to easily spot differences with a quick look.

I’m also working on aero/drag graphs and to complete my research I’d need more info about speed differences to make real conclusions.

Have a great day everyone!

f1 22
  • taattor's avatar
    taattor
    3 years ago

    Found several drivers to help with testing, thanks Keke, Roili and Puoliaslak!

    The results are quite unexpected.

    I thought there would be at least a some kind of curve affecting straight line speed when adjusting wings.

    Instead, it's practically linear for both wings.

    Also, I expected a lot more effect to rear wing but the slowing effect (or drag) is only 1,8x more compared to front wing.

    Ride height comparison was super interesting. There is not that much effect on straight line speed, or there is but a lot less than expected.

    I'd say you'd only gain max 2kph on certain track (concerning normal ride heights used on that track) and should instead ride low for better aero (not talking about the track characteristics or driving style now), but I'll come back later with some interesting findings about the aero and drag for further speculation 🙂

    Front wing, 1 click: 0,40kph

    Rear wing, 1 click: 0,72kph

    Taattor

    @taattor wrote:

    Good morning!

    Has anyone made a speed test on different ride heights and wing combinations?

    For example speed differences on the following ride heights
    3-2 -3 -5 -8 -11
    4-2 -3 -5 -8 -11
    6-2 -3 -5 -8 -11
    8-2 -3 -5 -8 -11
    10-2 -3 -5 -8 -11

    …and speed differences on the following wing settings
    0-5 -10 -15 -20 -25 -30 -35 -40 -45 -50
    5-5 -10 -15 -20 -25 -30 -35 -40 -45 -50
    10-5 -10 -15 -20 -25 -30 -35 -40 -45 -50
    15-5 -10 -15 -20 -25 -30 -35 -40 -45 -50
    And so on…

    If someone is willing to complete the test I could provide visual graphs to easily spot differences with a quick look.

    I’m also working on aero/drag graphs and to complete my research I’d need more info about speed differences to make real conclusions.

    Have a great day everyone!

3 Replies

  • mariohomoh's avatar
    mariohomoh
    Hero (Retired)
    3 years ago

    @taattor I did similar tests a few times, mostly to look at the "rear toe makes you slower" thing we used to hear back then.

    The parameters would probably fit what you want to, If you're willing.

    Just hook your session to a telemetry app of your choosing. I liked PXG F1 Telemetry back then.

    • Turn on Auto Gears to get consistent upshifting;
    • Turn on TC to Full to get consistent throttle application;
    • Go to Monza. Get your car up to the first DRS zone, stop it just as the DRS distance gauge gets to 0 meters, aligining it alongside the track limit line on the left;
    • Full throttle. Minimal to no steering, just to make sure the car keeps aligned with the white line;
    • Complete the lap as normal to log the telemetry data.

    Repeat 2-3 laps for each set of parameters you want to test. I'd also make at least 2 laps for DRS off and DRS on (turning the DRS assist when applicable) just to get a better sense for the drag.

    The data you'll probably be looking at is your top speed at your reference point at end of the straight. Maybe acceleration too, but I wouldn't bother looking into it much unless you can make a case for it.

  • taattor's avatar
    taattor
    3 years ago

    Found several drivers to help with testing, thanks Keke, Roili and Puoliaslak!

    The results are quite unexpected.

    I thought there would be at least a some kind of curve affecting straight line speed when adjusting wings.

    Instead, it's practically linear for both wings.

    Also, I expected a lot more effect to rear wing but the slowing effect (or drag) is only 1,8x more compared to front wing.

    Ride height comparison was super interesting. There is not that much effect on straight line speed, or there is but a lot less than expected.

    I'd say you'd only gain max 2kph on certain track (concerning normal ride heights used on that track) and should instead ride low for better aero (not talking about the track characteristics or driving style now), but I'll come back later with some interesting findings about the aero and drag for further speculation 🙂

    Front wing, 1 click: 0,40kph

    Rear wing, 1 click: 0,72kph

    Taattor

    @taattor wrote:

    Good morning!

    Has anyone made a speed test on different ride heights and wing combinations?

    For example speed differences on the following ride heights
    3-2 -3 -5 -8 -11
    4-2 -3 -5 -8 -11
    6-2 -3 -5 -8 -11
    8-2 -3 -5 -8 -11
    10-2 -3 -5 -8 -11

    …and speed differences on the following wing settings
    0-5 -10 -15 -20 -25 -30 -35 -40 -45 -50
    5-5 -10 -15 -20 -25 -30 -35 -40 -45 -50
    10-5 -10 -15 -20 -25 -30 -35 -40 -45 -50
    15-5 -10 -15 -20 -25 -30 -35 -40 -45 -50
    And so on…

    If someone is willing to complete the test I could provide visual graphs to easily spot differences with a quick look.

    I’m also working on aero/drag graphs and to complete my research I’d need more info about speed differences to make real conclusions.

    Have a great day everyone!

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