As the bike lurches forward, there's a natural temptation to lift your boots and find the footpegs just after launch. Reaction time is measured from the moment the green light is lit to the time you react, but the whole process requires nailing the breadth of the launch-shift-ride sequence through the quarter-mile sequence.īut if you successfully dropped the clutch at the proper engine rpm, then the load of hooking up the rear tire challenges the motor's momentum just enough to keep it from overpowering traction and spinning the wheel, which would waste time. Technically, the clock doesn't start until you leave that section (which is essentially two 7.25-inch stretches of 'rollout'), but here's the rub: If you pull a wheelie within that space, you've lost a brief but potentially important head start on your opponent, because the clock starts once the light has been tripped. The staging lights in drag racing monitor the first 14.5 inches of your journey down the tunnel of tarmac and ensure that you don't foul your start-leave the line before the Christmas tree hits the green light. Those variables can also reflect changes in altitude, barometric pressure, and relative humidity. Off-the-line reaction time and incremental measurements at 60, 330, 660, and 1000 feet offer insight into exactly how man and machine are interacting, which helps tuners calibrate everything from fuel maps to tire pressure. Racers and tuners use a slew of data to analyze bike setup and riding technique. It does not store any personal data.The goal of drag racing is pretty basic: Cross the quarter mile first and snag a lower elapsed time (E/T) than your opponent. The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. The cookie is used to store the user consent for the cookies in the category 'Performance'. This cookie is set by GDPR Cookie Consent plugin. The cookies is used to store the user consent for the cookies in the category 'Necessary'. The cookie is used to store the user consent for the cookies in the category 'Other. The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category 'Functional'.

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