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Old 04-12-22, 08:02 PM
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Support Vehicle Pollution

I wonder what it's like riding for 6 hours with dozens of cars & motor cycles putting out exhaust in front of you the whole time.
Or Paris Roubaix with all that dust getting into your lungs.

Good place for electric vehicles.
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Old 04-12-22, 08:28 PM
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And that's with modern fuel-injected vehicles. I sometimes watch older race movies and think of all the carbureted (or two-stroke) exhaust from those C&V motorcycles!
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Old 04-12-22, 08:40 PM
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The effect is pretty trivial, I'd imagine. One thing we learned in the pandemic is that even with only modest winds, turbulent mixing is your friend.
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Old 04-13-22, 04:12 AM
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I'm pretty sure it's healthier by an order of magnitude to be in the pro peloton all day in the most over-vehicled race in the calendar than it is to be in a typical rush hour commute.

IDK about dust at Roubaix, Strade Bianchi, etc., but I imagine particulates are kinder than pollutants.
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Old 04-13-22, 05:27 AM
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Originally Posted by slcbob
IDK about dust at Roubaix, Strade Bianchi, etc., but I imagine particulates are kinder than pollutants.
Mmm I don't think so. I ride a lot of gravel and worry often about dust. Silicosis is a very real thing - noxious gases and vapours much easier for lungs to deal with then microscopic pieces of aggregate.

https://www.lung.org/lung-health-dis...okup/silicosis

Modern gas vehicles are very low emissions, I do wonder if some of the support vehicles are diesel. Then the motor bikes are probably a little dirtier. Ugh what about all those idiots with flares and such?

I wonder more about rider emissions it's gotta be pretty funky the third week of a GT, just thinking of the trauma your gut goes through.
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Old 04-13-22, 06:40 AM
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About gravel dust. silicate dust is nasty stuff, but mostly it's a cumulative effect. People with occuapational exposures have to worry. A few hours of very dusty gravel week in and week out would be bad news. But i encounter it every now and again, I'm not too worried.

I guess you could bring an N95 mask on your gravel rides...but I wouldn't.

Really, the vehicle exhausts during a race are a trivial health thing, at most.
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Old 04-13-22, 07:06 AM
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Originally Posted by GrainBrain
Mmm I don't think so. I ride a lot of gravel and worry often about dust. Silicosis is a very real thing - noxious gases and vapours much easier for lungs to deal with then microscopic pieces of aggregate.

https://www.lung.org/lung-health-dis...okup/silicosis

Modern gas vehicles are very low emissions, I do wonder if some of the support vehicles are diesel. Then the motor bikes are probably a little dirtier. Ugh what about all those idiots with flares and such?

I wonder more about rider emissions it's gotta be pretty funky the third week of a GT, just thinking of the trauma your gut goes through.
Thanks! I needed more to worry about!! But, yeah, facts (in the right context) matter much more than my uninformed speculation.

Me next dusty ride:

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Old 04-19-22, 01:20 PM
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they wore masks in at least some of the races.
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Old 04-20-22, 09:35 AM
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the riders survived cycling in the semi-recent olympics in the pristine, industrial chinese air-mostly. there are a few still unaccounted for.
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Old 04-20-22, 11:00 AM
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Unless you're at the front of the peleton, none of the air is fresh.
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