Drag racing tree timing

1. How do you time a drag race tree?
2. How does the Christmas Tree work in drag racing?
3. What is a good reaction time on a pro tree?
4. How fast is a pro tree in drag racing?

How do you time a drag race tree?

Depending on the type of racing, all three amber lights will flash simultaneously, followed four-tenths of a second later by the green light (a Pro Tree), or the three bulbs will flash consecutively five-tenths of a second apart, followed five-tenths later by the green light (a Sportsman, or full, Tree).

How does the Christmas Tree work in drag racing?

Once pre-staged, drivers roll up 7 inches and cross the second beam on the starting line, bottom bulbs, Once the first driver activates the bottom bulbs, the subsequent drivers have seven seconds or they are timed out and automatically disqualified, even in qualifying (a red-light foul is ignored in qualifying).

What is a good reaction time on a pro tree?

Reaction Time

(. 500 is a perfect light on a sportsman tree, . 400 on a Pro tree.)

How fast is a pro tree in drag racing?

The Pro Tree is when all three amber lights flash simultaneously followed four-tenths of a second later by the green light. A sportsman tree is where the three amber lights flash consecutively five-tenths of a second apart, followed five-tenths later by the green light.