Radabriss

10:43 Apr 25, 2024
German to English translations [PRO]
Tech/Engineering - Automotive / Cars & Trucks / determining a coefficent of friction of a road surface
German term or phrase: Radabriss
Im Rahmen eines Verfahrens nach DE 10 2020 200 161 B3 kann eine Schätzung eines aktuellen Fahrbahn-Reibwerts lediglich bei Auftreten eines Radabrisses vorgenommen werden, also in einer Situation, in der die Radhaftung abreißt und das Rad bzw. die Räder des Kraftfahrzeugs nicht mehr die nötige Traktion bereitstellen und durchdrehen.

Appears in a patent
Craig Walker
United Kingdom
Local time: 08:50


Summary of answers provided
4 +4wheel slippage
Darin Fitzpatrick
5 -1Wheel slip (tyre/tire slip)
Johannes Gleim
1 +2wheelspin
Bourth


Discussion entries: 13





  

Answers


5 mins   confidence: Answerer confidence 4/5Answerer confidence 4/5 peer agreement (net): +4
wheel slippage


Explanation:
When this occurs, the wheel has lost traction with the road surface.

Could also use "wheel slipping."

Darin Fitzpatrick
United States
Meets criteria
Specializes in field
Native speaker of: Native in EnglishEnglish
PRO pts in category: 162
Notes to answerer
Asker: Thanks. I should have noted that the document itself mentions slip as an equivalent term, i.e. as in "bei Auftreten eines Radabrisses, also einem Durchdrehen der Räder". I'm looking for a translation of the actual term "Radabriss"

Asker: at the moment I'm using "wheel breakaway"

Asker: Thanks for all the contributions! I quite like "loss of traction"


Peer comments on this answer (and responses from the answerer)
agree  Kartik Isaac: See Slip: https://middle-east.michelin.com/en/auto/assistance/glossary...
7 mins

agree  Björn Vrooman: https://en.wikipedia.org/wiki/Skid_(automobile)
36 mins

agree  Kim Metzger
2 days 9 hrs

agree  Cilian O'Tuama: I thought about posting the same answer, but I'll agree here instead. :-)
2 days 16 hrs
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21 hrs   confidence: Answerer confidence 1/5Answerer confidence 1/5 peer agreement (net): +2
wheelspin


Explanation:
"Wheelspin is where the driver applies too much throttle and the torque (turning force) of the wheels overcomes the grip available from the road surface. You most commonly see this on a drag racing track where drivers use it to warm up their tyres. Modern traction control systems don’t let the wheels spin. To stop the wheels spinning, lift off the throttle. Wheelspin when going around a corner will result in understeer in a front-wheel drive car and oversteer in a rear-wheel drive car."

This is one of the four types of skid (with oversteer, understeer, hydroplaning) described here: https://www.drivingtests.co.nz/resources/skidding-explained-...

https://mocktheorytest.com/resources/what-is-a-skid/ gives 6 types.
"Wheelspin is caused when you accelerate too hard on a slippery surface and the torque of the engine overcomes the available grip. It’s less likely to happen in a four-wheel drive car because you have twice as much tyre in contact with the road." [rubbish, the amount of tyre contact is the same, just the amount of driven-tyre contact changes]

Yes, I know, you have durchdrehen at the end.


Bourth
France
Local time: 09:50
Does not meet criteria
Native speaker of: Native in EnglishEnglish
PRO pts in category: 8

Peer comments on this answer (and responses from the answerer)
agree  philgoddard
10 hrs

agree  Cilian O'Tuama: Could work too. I wonder why "separation" was mentioned below.
1 day 19 hrs
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2 days 6 hrs   confidence: Answerer confidence 5/5 peer agreement (net): -1
Radabriss => Radschlupf
Wheel slip (tyre/tire slip)


Explanation:
"Wheel separation" is not an automotive term. It would imply that a wheel comes off the axle hub, which could lead to an accident.
The technical term is "Radschlupf” or more precisely "Reifenschlupf":

Reifenschlupf (Kfz), Schlupf, Radschlupf
• Tire slip
• Wheelslip
(Fachwörterbuch der Kfz-Technik)

Radschlupf / wheel slip
Reifenschupf / tyre slip
(Dictionary of Exact Science and Technology)

Die Fahrdynamikregelung ESC hat die Softwarezusatzfunktion „radselektive Momentensteuerung“, bei der die kurveninneren Räder leicht abgebremst werden und so das Drehmoment an denen auf der Kurvenaußenseite erhöht. In Verbindung mit Allradantrieb sind drei Modi einstellbar: von „ESC ON“ mit dem niedrigsten Reifenschlupf, einem „Sportmodus“ für lose Untergründe und „ESC OFF“ bei dem der meiste Schlupf an den Rädern zugelassen wird
https://de.wikipedia.org/wiki/Audi_A3_8Y

Das Antiblockiersystem (ABS) ist ein technisches System für mehr Fahrsicherheit und weniger Verschleiß an den Laufflächen der Reifen. In der deutschen und auch schweizerischen StVZO heißt es Automatischer Blockierverhinderer (ABV), in Österreich (Kraftfahrgesetz 1967) Antiblockiervorrichtung. Eingesetzt wird es vorwiegend in Kraftfahrzeugen, aber auch in Eisenbahnen und Flugzeugfahrwerken.
ABS wirkt beim Bremsen des Kraftfahrzeugs einem möglichen Blockieren der Räder durch Reduzierung des Bremsdrucks entgegen.[1] Hierdurch ermöglicht es beim Bremsen von Straßenfahrzeugen und Flugzeugen einen Erhalt der Lenkbarkeit und Spurtreue. Außerdem kann das System über die Regelung des Radschlupfs den Bremsweg auf nasser Straße verkürzen.
https://de.wikipedia.org/wiki/Antiblockiersystem

The first proper recognition of the ABS system came later with the German engineer Karl Wässel, whose system for modulating braking power was officially patented in 1928. Wässel, however, never developed a working product and neither did Robert Bosch who produced a similar patent eight years later.[5]
The pump in the ABS is used to restore the pressure to the hydraulic brakes after the valves have released it. A signal from the controller will release the valve at the detection of wheel slip. After a valve releases the pressure supplied from the user, the pump is used to restore the desired amount of pressure to the braking system.
https://en.wikipedia.org/wiki/Anti-lock_braking_system

In (automotive) vehicle dynamics, slip is the relative motion between a tire and the road surface it is moving on. This slip can be generated either by the tire's rotational speed being greater or less than the free-rolling speed (usually described as percent slip), or by the tire's plane of rotation being at an angle to its direction of motion (referred to as slip angle).
https://en.wikipedia.org/wiki/Slip_(vehicle_dynamics)

"tire slip" has 148,000 Ghits
"tyre slip" has 155,000 Ghits
"whell slip" has 642,000 Ghits

Note: During my professional qualification, I was employed by a world-renowned company in the automotive sector, in particular for programming ABS and ECS systems.

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Note added at 2 Tage 6 Stunden (2024-04-27 17:23:23 GMT)
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Sorry:
wheel slip" has 642,000 Ghits

Johannes Gleim
Local time: 09:50
Meets criteria
Works in field
Native speaker of: German
PRO pts in category: 224

Peer comments on this answer (and responses from the answerer)
disagree  Schtroumpf: Programming ABS systems should have provided better understanding of the difference between Schlupf (slip) and Haftungsverlust.
5 days
  -> I distinguish clearly between loss of grip and slippage. In context, it is not about "loss of static friction", but about the first instant of spinning when the wheel starts to slip with undefined rotation. 'mico slip' is off-the subject, see discussion.

neutral  Lancashireman: OK, not mico slip, but tell us more about whellslip
6 days
  -> I didn't suggest 'mico slip' or 'whellslip' (obvious typo). Unsubstantiated comment.
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