Categories: all aviation Building a Biplane bicycle gadgets misc motorcycle theater

Mon, 09 Feb 2009

Learning our lesson

Last Wednesday, a bicyclist was killed in Ballard. It was morning commute time, just before 9 am, and he was blitzing down a hill toward the center of Ballard. There's been some controversy over exactly what happened, but that's not really what I want to talk about.

The general concensus, regardless of the details, is that the bicyclist was coming down the hill with some reasonable speed. A van pulled into traffic in such a way that the bicyclist was unable to avoid hitting it. For whatever reason, whether intentional or not, the bicyclist "laid 'er down," or fell off the bike. He collided with the van, and ended up under its rear tire, sustaining injuries that would leave him dead within a few hours.

The situation he found himself in was essentially an impossible one, for a couple of reasons. He was by all accounts going pretty fast. He moved in such a way that would have been safe if the van had pulled into the flow of traffic instead of turning across it. By the time he realized the van was turning instead of joining traffic, he was too close to affect any changes that could have saved him.

The driver of the van, according to accounts, was pulling out pretty quickly, trying to get the U-turn in before a wave of oncoming traffic arrived. In her haste, the driver almost certainly didn't see the bicylist coming down the hill, and the rest is history.

There were a series of mistakes made in this situation, and that's what I'm really writing about. I feel like the driver's mistake was pretty obvious, and not worth discussing (there's already a lot of acknowledgement that bicycles are hard to see). The bicyclist's mistakes, on the other hand, are not normally discussed, and this will eventually kill more riders.

The first mistake the bicyclist made (none of these are necessarily more or less important, so I'm starting at random) is practically built-in to a bicycle rider: "Must preserve speed." Riding a bicycle is hard work. Unlike in a powered vehicle, hitting the brakes is the option of last resort for most bikers, because it takes so much work to get going again. In fact, it's not that bad, but that's the mental attitude that develops. I suffer from this myself.

This attitude leads to a lot of the behavior that non-bikers find offensive: swerving through traffic, blowing stop signs and lights, etc. If you don't slow down, you don't have to speed up again. It also means that if a car pulls into your lane, it makes a lot of sense to swerve out of their way rather than slow down.

The next mistake the bicyclist made was that he assumed how the van would behave. Most likely, he saw the van pulling out, and thought, "This guy's going to join traffic southbound, so I'll swing wide of him on the left." If the van had behaved as predicted, this would have been a safe if somewhat obnoxious maneuver. However, the van didn't do what the rider had predicted, and started tracing a U-turn, so that it would be headed up the hill, to the north.

The final mistake was that the bicyclist may not have understood how his bike worked. I don't know for sure, but many bicyclists I have met suffer from this problem. They don't understand emergency stops. I'm not saying anyone doesn't know how to use their brakes. I'm not saying they don't understand how to stop the bike. I'm saying that they've never practiced an emergency stop.

This is absolutely standard practice in the motorcycling world. New riders are taught to practice emergency stops, if they go through any of the training programs available to them. Get thee into a parking lot, goes the wisdom, and practice running up to 15-20 mph and then stopping as fast as you can. As a motorcyclist, I do this myself, at least once a year, and am amazed every time at how much grip that front tire has.

Yet, for bicyclists, there is no such encouragement. A bicycle, I think the common wisdom must go, is a low-speed recreational vehicle. It requires no skill to stop, because a bicyclist will never pass about 12 mph. Likewise, once you've mastered balancing a bike (which is actually mastering countersteering -- if you can stand upright, you've already mastered balance), no thought is given to riding, beyond some simplistic rules: don't ride in traffic; wear a helmet; etc.

One dead cyclist from Ballard has recently proven that this is not the case. He was going about as fast as a 50cc scooter can go, and that requires a license (this is definitely not a screed in favor of licensing bicyclists, I'm just pointing that fact out). He was going as fast as (possibly faster than) my average speed, when I'm riding a motorcycle. He was going fast enough that training and skill were required.

What can we learn from all this? What is the lesson? I think there are a few.

First and foremost, if you ride a bicycle, and ever get over that mythical 12 mph limit, you need to do some training in emergency stops. Get your bike out into a parking lot. Wear long sleeves and long pants, wear your helmet and your gloves. If you have pads for knees and elbows you might want them, too -- braking is dangerous, and you might as well practice with as much safety as possible. Ride it up to a decent speed: 15 mph or so. Pick a mark, and when you hit that mark, start braking as hard as you think you safely can, with both brakes. Keep your eyes up, not fixed on the ground (this is hard, but will help you not fall over when you come to a stop, among other things).

If you're like me (I tried this exercise this weekend), you'll lock up the rear tire -- this is fine, the way to deal with a locked rear tire is to leave it locked and come to a complete stop. It's not as efficient at slowing you down as a rolling rear tire is, but that's not a big deal, and definitely not something to worry about at first. (If you try to release a locked rear tire in a real panic braking situation, it's possible to flip yourself off the bike due to the tire fishtailing, so just ride it to a stop every time.)

Practice your stops as many times as you can stand. Start with relatively mellow stops and work up the braking pressure. I got to the point where my fingers were unwilling to squeeze the front brake any harder, and the rear brake was consistently locked. Based on my experience, I am probably going to look for a 203mm front brake disc to get more leverage out front.

The next exercise is more mental, and you can practice when you're riding. I think of it as the "What if?" game, and I play it on the bicycle, on a motorcycle, or in a car. The way it works (you're probably way ahead of me, but I'll sketch it out) is that you look at a potential threat, such as a car waiting to cross your path at an intersection, and think, "What would I do if..." and make up a scenario. What if that car darted across your path right now? What if that car on the shoulder pulled a U-turn from the curb? What if that bus didn't see you were passing, and started to pull out?

When you start thinking in these terms, you will start riding more defensively. Given that in 100% of collisions, you'll go squish while the car driver will wonder what that thump was, it's in your best interests to ride defensively. This defensive thinking must include the option, "I would slow down as fast as possible." If you fall into the "preserving momentum" trap, you're just as doomed as the bicyclist in Ballard.

If you ride in traffic, you need to treat yourself exactly as you would if you were driving a powered vehicle. When you start ignoring the rules of traffic (not the laws, I'm talking about how people expect everyone around them to behave), you become unpredictable. Bicyclists are already at a tremendous disadvangage in almost every way: underpowered, nearly invisible, completely vulnerable. Anything you do to increase your disadvantages (such as behaving unpredictably) has the effect of multiplying them, not just adding to them.

If you only take one thing away from this article, practice emergency stops. You can do it anywhere (check for anyone behind you first), and even a little bit of practice could save your bacon when confronted with a real emergency. You'll know how fast you can stop, your fingers will know how to behave on the brake levers, and you won't be surprised at what happens (for instance, the rear wheel locking up). This is practice that can save your life.

(Update: I just ordered a 203mm disc and new caliper mount from Price Point -- total charge: $37. I forgot upgrading disc size was both easy and comparatively cheap.)

Posted at 02:53 permanent link category: /bicycle


Categories: all aviation Building a Biplane bicycle gadgets misc motorcycle theater