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In drag racing, a transbrake is a mechanism that selectively places the transmission in a forward and reverse gear simultaneously. This allows the engine to create full power without transmitting that power through the driveline, allowing the car to stay in one place.
The delay box acts as an on-board timer for the transbrake (from transmission brake). A transbrake is a part of a racing automatic transmission used in drag racing, and are not found in manual transmissions. The electronic timer is packaged in a metal enclosure when sold to drag racers, thus the slang term delay box.
Eventually, all push-button transmission selectors became a safety issue due to lack of industry-wide standardization. In addition, since the 1920s the center of the steering wheel had typically held the horn button. While some cars of the late 50s had horn rings, some drivers instinctively hit the steering wheel center in an emergency ...
Launch control is, in essence, a second rev limiter. Launch control operates by using an electronic accelerator and a computer program in a drive-by-wire application, and through fuel or spark cut in a mechanical throttle application.
Pontiac Trans Am burnout with line locks.. A line lock is a device that allows the front brakes to lock independently of the rear brakes via a switch. [1] [2] [3] The device is an electric solenoid that controls a valve which allows the brakes to be controlled individually.
Before Chrysler's 1949 innovation of the key-operated combination ignition-starter switch, [16] the starter was operated by the driver pressing a button that was mounted on the floor or dashboard. This type of control has now returned with the use of keyless entry .
Mounted in a rectangular control pod at the end of a thick arm stemming from the right side of the steering column, the Touch Button Ultramatic gear selector used six buttons in two rows of three: The bottom row of buttons offered Park, Reverse, and Drive, while the top row contained the Neutral, Low, and High buttons.
The SRT Demon contains a system that is used specifically for drag racing called transbrake. Dodge uses a unique transbrake that puts the transmission in first gear and second gear [47] simultaneously, holding the Demon stationary. [48] This is used along with the car's torque converter to build up hydraulic pressure before launch.