Critical concepts of emergency driving Flashcards
(16 cards)
What is S.P.I.D.E
Scan and search Identify Predict Decide Execute
What is the Smith system
Aim high in steering and scanning the side views
What is the recommended hand position, shuffle?
Three and nine
Shuffle hand to hand or push/pull steering
What is stopping distance
Reaction time + braking distance = total stopping distance
What is visual lead time
The time and space following your vehicle for a response to a hazard
- 12 second rule
- Distance increases as speed increases
What is the recommended following distance
Three second rule
Increase with larger vehicles,during snow and rain
Anti-lock brakes
Requires a steady pressure to the pedal
DO NOT “pump” breaks
What are components make up the transportation system
- the vehicle
- the driver
- the environment
Vehicle dynamics
Driving too fast Accelerating to quickly Breaking too hard Changing direction traveling through a curve Brake fade Traction control
Pitch
When the front end rises while the rear end falls,or vice versa
Yaw
Is rotation about a vertical axis.
Example: A vehicle spinning out in a turn is an example of extreme yaw motion
Roll
Is the rotation of a vehicle about its longitudinal axis.
Example: the body lean to the left or right during a cornering maneuver
Service brake system
Applies and releases the breaks when you use the brake pedal door and normal driving
Parking brake system
Applies and releases the parking brake when you use the parking brake control
Emergency brake system
Uses parts of the service and parking brake system to stop the vehicle if the service brake system fails
Four types of Auxiliary Braking
Driveline retarder
Compression or engine brake “Jake break ”
Exhaust brake
Transmission retarder
