Defensive Riding Part 2 - Braking Distance

One of the aspects of defensive riding is leavingSo the effect of speed is really huge on your ability
yourself a change to get out of surprising situations.to stop effectively. This is why overspeeding in
One way of doing this is to adjust your speedcrowded intersection areas is so dangerous. People
according to the situation. This article will discusssuppose you are going slower than what you are,
braking distance and how to watch out for cagesand when they turn into your path you run out of
that are waiting on intersections to join your lane.distance when braking.
Most people and experts do agree that motorcyclesLets take an example of this. You are riding 25 miles
take a little longer to stop than cages, because ridersper hour and you need to stop. You slam the brakes,
cant lock their front wheel, and so they cant brakekeep your bike upwards and stop just with an inch
at full power. Cagers can brake as hard as theyto spare. Now same scenario with a speed of 30
want.miles per hour. Its not that big of a difference, just 5
The laws of physics (and riding instructors) tells usmiles here or there. But, now, instead of stopping
that if speed doubles, braking distance quadruples.with that inch of room to spare, you will slam the
Now think that for a moment. Let it really sink in toobstacle with a speed of 23 miles per hour.
you. When you ride 40 mph and accelerate to 80How can such a small increase in speed make such a
mph, your braking distance is four times as long as itdifference in stopping distance? Well, I'm no physicist,
was before you speeded up. It is such a big changeIll just have to believe the experts that have made
in magnitude that its hard to remember, I sometimesthese numbers. I just try to remember that even a
catch myself for not really realizing this fact.small decrease in speed will give me more changes to
Otherwise I would keep a longer distance to thebrake and stop.
cage in front of me.Another example with numbers (these are for cages,
And now, the same thing presented from oppositedry, good asphalt surface). When driving 50 miles per
angle. If you slow your speed by one fourth (1/4)hour and braking to a complete stop, another cage
from your original speed, your braking distance willthat had a speed of 62 miles per hour and braked at
halve. Slowing down one fourth (1/4) is not reallythe same time, is still going 28 miles per hour (and
that much, and it still gives you much more room tohitting the obstacle with that speed). Same laws of
brake or evade.physics will affect to bikes too.