| 摘要 |
A control system for a drag race vehicle limits engine RPM to a selected Launch RPM limit when the vehicle is staged at the starting line and which limits engine RPM to an Elapsed Time RPM limit after the vehicle is shifted to high gear. The Launch RPM control is controlled by the same driver-controlled Launch switch which controls the line lock or transmission brake solenoid, so that the Launch RPM limit is removed at the same time that the vehicle is permitted to move forward. The Elapsed Time RPM control is actuated by a second driver-controlled Elapsed Time Enable switch. The control system is particularly useful for Super Class drag racers, in which the winner must be the first to the finish line without going under a predetermined elapsed time.
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