25-10-11, 03:16 PM
(25-10-11, 01:04 PM)Fazerider link Wrote:Interesting, though won't it have effectively excluded reaction time from the test? I mean you knew you were going to hit the brakes as you crossed the line, so could judge it much tighter than .24 seconds.
As I said "including allowing distance for my reaction time of 0.24 seconds".
What I did was take the distance I stopped in from braking as I crossed the line, then added 0.24 * 13.4 m/s (for 30mph) to that, and a similar addition for 40mph.
0.24s is my minimum reaction time, based on a test that they have at the Ride it Right Events held at Haslemere Fire Station twice a year.
Basically there's a bike on a stand, a couple of lights come on as if a vehicle in front is braking and you have to hit the front brake as quickly as you can, your time is the average of three goes. (Actually I've slowed down a lot, in my late teens/ early twenties I could do reaction tests in 0.18 of a second!) The Highway Code is based on a reaction time of 0.65 seconds which is very slow (although it probably works for people who drive on auto-pilot)