Avoiding left-turning cars - the "Anti-SMIDSY Manuever" - Stromtrooper Forum : Suzuki V-Strom Motorcycle Forums
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post #1 of 90 Old 09-01-2012, 08:39 AM Thread Starter
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Avoiding left-turning cars - the "Anti-SMIDSY Manuever"

The Brits have an expression for the most common form of multi-vehicle accident: "Sorry Mate, I didn't See You" or SMIDSY.

The Hurt Report detailed how left-turning cars that did not see an approaching motorcyclist account for more than half of multi-vehicle crashes involving motorcycles when other factors (alcohol, etc) are removed.

If you are impatient but want a technique to help reduce the likelihood of this happening to you, go to the 5:00 mark of the video.

I've been doing the same thing since 1985, when I lived in a small town with a lot of side streets. Tried everything: different colored helmets and jackets, waving, flashing headlights - without much effect. Tried the weave, it worked, and been doing it since. The video explains why: it minimizes the physiological effect of "Looming."




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post #2 of 90 Old 09-01-2012, 09:25 AM
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I've been doing that for almost the full 40 years I've been riding [an old rider taught it to me].

I also use a range of other tactics that keep me in the visible points of car drivers.

I move around behind the car from one external mirror to the other, never directly behind the car.

Moving around when there is oncoming traffic also makes a bike more visible to cars that may be about to overtake the one you can see coming towards you.

We are entitled to use the lane we are travelling in and I use ALL of it to keep myself as safe as possible.

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post #3 of 90 Old 09-01-2012, 09:28 AM
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Wasn't able to view the video, but have a theory about cager turn-ins. I owned a Honda Element years ago and found myself pulling out in front of cars I never saw. It was a left turn onto a road. The Element had a huge windshield post. I finally realized that cars were hidden behind that wide post and I had to make a point of moving my head to see around it. I think it happens to a lesser extent on other cars especially with a thinner MC. If the video is about making S turns as you approach an intersection, I could see how that might help. No chance of changing driver habits about looking carefully.

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post #4 of 90 Old 09-01-2012, 10:32 AM
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Another advantage of the weave is that motorists put extra distance between themselves and that motorcycle rider who might be drunk or something else evidently wrong with them.........

"Older people who are reasonable, good-tempered, and gracious will bear aging well. Those who are mean-spirited and irritable will be unhappy at every period of their lives.

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post #5 of 90 Old 09-01-2012, 10:46 AM
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"Element had a huge windshield post."

I noticed that on a Jeep I drove. Really poor engineering on the makers part.
But little brains are responsible for the preponderance of the crashes. Lack of income...they couldn't afford to pay attention.
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post #6 of 90 Old 09-01-2012, 10:48 AM
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Originally Posted by PTRider View Post
Another advantage of the weave is that motorists put extra distance between themselves and that motorcycle rider who might be drunk or something else evidently wrong with them.........
I've been doing the weave the last couple of years. I agree, not only do the cars (usually) notice you, they fear for their own safety with this weaving lunatic ready to head right for them.

I think it works. It's fun. It's cheap insurance. I also think that because you are in a dynamic mode already, actively handling your bike rather than in some sublime resting-on-your-haunches state, you're in a better position to quickly make any avoidance moves.

Marc

Marc, rider of a black 2009 V-Strom 650A ABS

"To the Companion who knows how to go light and fare hard, who is friendly with the rain, and finds no road too long." William Blake in "Brown Waters and other Sketches", Malbaie, May, 1915.
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post #7 of 90 Old 09-01-2012, 11:44 AM
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Wow, I've been riding for 15 years and have never heard if this. I'll start doing it immediately. It will be nice to be able to do something about that anticipation period when I see a teenager on his or her cellphone about to turn in front of me. Thanks!

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post #8 of 90 Old 09-01-2012, 12:45 PM
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I was taught that also by a very old rider he weaved all the time I think most of the time it was because he was drunk. I weave at all intersections that I come across except I do not drink and I believe it helps alot.

Respectfully. Doug
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post #9 of 90 Old 09-01-2012, 01:14 PM
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I've been doing this for a while now as well with good results (apparently) but oddly enough in one incident I seem to have angered a motorist by doing it, for reasons I have not been able to figure out.

Traveling through a town with a typical 5-lane main street - two in each direction and one center turn lane - I was in the leftmost lane approaching someone coming the other way, sitting in the center turn lane waiting to turn left across my path. Typical anti-SMIDSY-weave scenario. So I did the weave as I approached, and as I went by she was yelling something out the window at me. In the split-second I passed right by her and had close eye contact she was clearly quite torqued. I was going the speed limit, not holding her up or anything, so it was either she thought I was drunk or was pissed about my riding, I don't know. Don't care much either, other than it stands out as a curiousity to me.

"Ignorance is a powerful tool if applied at the right time, even usually surpassing knowledge." - E.J. Potter

Last edited by Stoopy; 09-01-2012 at 01:16 PM.
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post #10 of 90 Old 09-01-2012, 01:41 PM
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The video might be spot on for British drivers, but it is far too generous for US drivers, who do so many things wrong you can hardly list them all. I treat every vehicle entering my path as threat.


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