Conor
The thinking distance in the Highway Code is based on a 660mS reaction time - a pretty poor performance level that all but the doziest drivers should manage. An alert driver should be better than 400mS. But some drivers do not react at all to what they see and plough into stationary traffic queues on motorways at full speed.
HGV hits tractor from behind is unfortunately all too common on the A19. Bright yellow with hi-vis stripes and flashing warning lights but somehow they are not noticed at all :(
driving test and brakes 553If you want to make the set up stiffer to improve the handling, replacing the wheels is the wrong way to go about it. Find a quality suspension kit with a stiffer spring set up...
Try the Sheep Dart URL I gave earlier. It is a very simple test so getting 200mS or less should be easy. More complex situations in a simulator produce a much higher variance.
Occultation timing by manual observation pays considerable attention to studying the delay between seeing an event and reacting to it. Many systems these days are all electronic so comparison between humans and ideal timings are easy now. Another program for measuring reaction time accurately is at:
Note that performance in a specific reaction time test improves with practice and gets worse with tiredness and-or intoxication!
Regards, Martin Brown
