What is the Reaction Time for NHRA Drag Racing Measured In?
I was doing a reaction time test and i got a best time of .4 but i noticed in NHRA racing they get like 0.0XX numbers. I read this on a website: "that program is still going by the .500 index rather than .000…" Is this right, and true?
And if this is true, what is the conversion? A formula???
Reaction time is based on seconds or more correctly fractions of a second.
There are 4 tenths (.400 of a second) and 5 tenths trees (.500 of a second). These times are the time between the lighting of the last yellow light and the lighting of the green light.
On a 4 tenths tree the best reaction time would be .400 meaning the car left exactly when the green light came on. A reaction time of .300 would be a red light from the car leaving before the green light came on. A .410 reaction time would be good. .600 would be very bad meaning the light was green .2 of a second before the car moved.
Because of the differently timed trees reaction times were difficult to understand, especially for fans. New electronics have allowed them to give the reaction time based on the green light rather than the time from the last yellow light. So on a 4 tenths tree a perfect start would be .000 instead of .400 and a .410 becomes a .010 A perfect light on a 5 tenths tree would also be a .000 making everything easier to understand and compare.
If your .4 is based on a 4 tenths tree then that is a perfect light or .000 If it is a 5 tenths tree then that would be a red light. If your .4 time came from the new .000 system then it is very slow.
The conversion would be subtracting .400 from your time on a 4 tenths tree or subtracting .500 from your time on a 5 tenths tree.
Remember it’s one thing to push a button to get a simulated reaction and a completely different thing to stage a race car and make the front tires expose the light beam just as the green light comes on.
Reaction time is based on seconds or more correctly fractions of a second.
There are 4 tenths (.400 of a second) and 5 tenths trees (.500 of a second). These times are the time between the lighting of the last yellow light and the lighting of the green light.
On a 4 tenths tree the best reaction time would be .400 meaning the car left exactly when the green light came on. A reaction time of .300 would be a red light from the car leaving before the green light came on. A .410 reaction time would be good. .600 would be very bad meaning the light was green .2 of a second before the car moved.
Because of the differently timed trees reaction times were difficult to understand, especially for fans. New electronics have allowed them to give the reaction time based on the green light rather than the time from the last yellow light. So on a 4 tenths tree a perfect start would be .000 instead of .400 and a .410 becomes a .010 A perfect light on a 5 tenths tree would also be a .000 making everything easier to understand and compare.
If your .4 is based on a 4 tenths tree then that is a perfect light or .000 If it is a 5 tenths tree then that would be a red light. If your .4 time came from the new .000 system then it is very slow.
The conversion would be subtracting .400 from your time on a 4 tenths tree or subtracting .500 from your time on a 5 tenths tree.
Remember it’s one thing to push a button to get a simulated reaction and a completely different thing to stage a race car and make the front tires expose the light beam just as the green light comes on.
References :
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