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2. Skid mark - Wikipedia

   en.wikipedia.org/wiki/Skid_mark

   Skid marks are divided into "acceleration marks" created on acceleration, if the engine provides more power than the tire can transmit; "braking marks", if the brakes "lock up" and cause the tire to slide; or "yaw marks", if the tire slides sideways. Each skid mark has a characteristic appearance, and an experienced accident reconstructor or ...

3. Wheel slide protection - Wikipedia

   en.wikipedia.org/wiki/Wheel_slide_protection

   This consists of taking over a section of line during a quiet period. Using lineside markers each driver gets his train up to speed and then makes a Full Service brake under normal adhesion conditions. The railhead is then treated with a contaminant that has a low coefficient of friction. On the second run the driver will experience the sound ...

4. Clutch - Wikipedia

   en.wikipedia.org/wiki/Clutch

   The clutch consisted of a wrap-spring clutch-brake that was coupled to the rotor by one or two stages of reduction gearing. The clutch-brake locked up when rotated backwards, but also had some spring action. The inertia of the rotor going backwards engaged the clutch and wound the spring. As it unwound, it restarted the motor in the correct ...

5. Electronic brakeforce distribution - Wikipedia

   en.wikipedia.org/wiki/Electronic_brakeforce...

   [1] [2] Typically, the front end carries more weight and EBD distributes less braking pressure to the rear brakes so the rear brakes do not lock up and cause a skid. [3] In some systems, EBD distributes more braking pressure at the rear brakes during initial brake application before the effects of weight transfer become apparent.

6. Electromagnetic clutch - Wikipedia

   en.wikipedia.org/wiki/Electromagnetic_clutch

   As soon as the clutch armature and rotor are engaged, lock up is 100%. When current is removed from the clutch field, the armature is free to turn with the shaft. Springs hold the armature away from the rotor surface when power is released, creating a small air gap and providing complete disengagement from input to output.

7. Engine braking - Wikipedia

   en.wikipedia.org/wiki/Engine_braking

   A compression release brake (also known as a Jacobs brake or "jake brake"), is the type of brake most commonly confused with real engine braking; it is used mainly in large diesel trucks and works by opening the exhaust valves at the top of the compression stroke, so the large amount of energy stored in that compressed air is not returned to ...

8. Eddy current brake - Wikipedia

   en.wikipedia.org/wiki/Eddy_current_brake

   Disk electromagnetic brakes are used on vehicles such as trains, and power tools such as circular saws, to stop the blade quickly when the power is turned off.A disk eddy current brake consists of a conductive non-ferromagnetic metal disc attached to the axle of the vehicle's wheel, with an electromagnet located with its poles on each side of the disk, so the magnetic field passes through the ...

9. Jackknifing - Wikipedia

   en.wikipedia.org/wiki/Jackknifing

   Theoretically, this was a guaranteed way to prevent jackknifing; however, frequent use of the trailer brakes alone caused them to overheat and fade while the tractor brakes remained fresh. In the event of an emergency stop , the driver, applying the foot brake, could cause the trailer to jackknife because the tractor brakes lock while the ...