Wheel Slip & Ground Sensors

Here are our CFD links and discussions about aerodynamics, suspension, driver safety and tyres. Please stick to F1 on this forum.
Squall
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Joined: 18 Feb 2012, 00:02

Wheel Slip & Ground Sensors

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I'm sorry for my ignorance, but what is this??
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Last edited by Richard on 20 Feb 2012, 17:56, edited 1 time in total.
Reason: Split from the F2012 thread

Crucial_Xtreme
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Joined: 16 Oct 2011, 00:13
Location: Charlotte

Re: Ferrari F2012

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Squall wrote:I'm sorry for my ignorance, but what is this??
It's a pitot. :))

http://en.wikipedia.org/wiki/Pitot_tube
Last edited by Crucial_Xtreme on 18 Feb 2012, 00:22, edited 1 time in total.

Squall
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Joined: 18 Feb 2012, 00:02

Re: Ferrari F2012

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Thank you, but it's on the car only for the test or definitely?
Crucial_Xtreme wrote:
Squall wrote:I'm sorry for my ignorance, but what is this??
It's a pitot. :))

http://en.wikipedia.org/wiki/Pitot_tube

hardingfv32
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Joined: 03 Apr 2011, 19:42

Re: Ferrari F2012

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Squall wrote:I'm sorry for my ignorance, but what is this??
I believe you will find that it is a bulbous pod (keel on a sailboat) hanging from the nose. Houses a test instrument, possible ride height laser. Very common during testing.

Much bigger than a pitot tube.

Brian
Last edited by hardingfv32 on 18 Feb 2012, 00:30, edited 1 time in total.

bhall
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Joined: 28 Feb 2006, 21:26

Re: Ferrari F2012

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Squall wrote:I'm sorry for my ignorance, but what is this??
No need for any apologies. It's sensor that measures wheel-slip.
hardingfv32 wrote:And what exactly is so 'no excuses' about the Ferrari?
The color. They've finally got the red just right.
Last edited by bhall on 18 Feb 2012, 00:38, edited 1 time in total.

Squall
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Joined: 18 Feb 2012, 00:02

Re: Ferrari F2012

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Excuse me, is it a pitot tube or a wheel-slip??

bhall
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Joined: 28 Feb 2006, 21:26

Re: Ferrari F2012

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Definitely wheel-slip. Pitot tubes are usually mounted on top of the roll-hoop camera or set in large, temporary arrays placed near the component being tested.

Crucial_Xtreme
404
Joined: 16 Oct 2011, 00:13
Location: Charlotte

Re: Ferrari F2012

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Squall wrote:Excuse me, is it a pitot tube or a wheel-slip??
Yes sorry I didn't see your arrow. I must be blind. :(

Squall
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Joined: 18 Feb 2012, 00:02

Re: Ferrari F2012

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Ok thank you.
but it is so important to measure wheel-slip (at front wheels) during the test?
bhallg2k wrote:Definitely wheel-slip. Pitot tubes are usually mounted on top of the roll-hoop camera or set in large, temporary arrays placed near the component being tested.

bhall
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Joined: 28 Feb 2006, 21:26

Re: Ferrari F2012

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It's absolutely important. The wheels (tires) are all that link the car to the track. For that reason, it's vital to understand how the tires are interacting with the pavement in response to driver input, set-up changes, new parts, etc.

Squall
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Joined: 18 Feb 2012, 00:02

Re: Ferrari F2012

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Understand.
front wheels can slip during acceleration or only during braking?
This instrument is only on the car for the test?
bhallg2k wrote:It's absolutely important. The wheels (tires) are all that link the car to the track. For that reason, it's vital to understand how the tires are interacting with the pavement in response to driver input, set-up changes, new parts, etc.

hardingfv32
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Joined: 03 Apr 2011, 19:42

Re: Ferrari F2012

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Wheel slip during cornering.

Brian

bhall
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Joined: 28 Feb 2006, 21:26

Re: Ferrari F2012

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You'll see them on most cars in testing and on Fridays during race weekends.

hardingfv32
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Joined: 03 Apr 2011, 19:42

Re: Ferrari F2012

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bhallg2k wrote:You'll see them on most cars in testing and on Fridays during race weekends.
Is a laser measuring the chassis movement relative to the ground?

Why not mount the instrument in the nose and have the data available all the times? Does the instrument need to be centered between the front wheels? If so could it be mounted in the chassis or is that too high?

Brian

bhall
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Joined: 28 Feb 2006, 21:26

Re: Ferrari F2012

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You might be able to find some information here ( http://www.optimess.cn/?lan=1 ). That's the company who makes the sensors.
Last edited by bhall on 19 Feb 2012, 20:55, edited 2 times in total.