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Old 08-20-2012, 09:16 AM   #24871
Wadester
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Quote:
Originally Posted by Aurelius View Post
When I visited Arizona, there was a story about a kind of cactus that could actually hurl its spines at you like little spears. I thought at first that someone was just pulling my leg, but I met lots of other Arizonans who believed it. Still sounds like BS to me.
Well, it is an exaggeration - but the name of that cholla is "jumping cholla" http://en.wikipedia.org/wiki/Cylindropuntia_fulgida

It doesn't actually jump, but the spines are very aggressive/velcroey and the "pods" break away very easily. Just barely brush against one and it's on you.
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This isn't a "you're doing it wrong" topic. (Originally Posted by Human Ills, 7/1/14)
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Old 08-20-2012, 11:29 AM   #24872
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But after a week or so they work themselves out. I had one push though a pant leg on a airplane trip. The Stu saw it come out. She gave me one of those WTF looks.
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Old 08-21-2012, 12:51 PM   #24873
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I carry a comb on my dirtbike to scrape those nasty cholla bastards off.
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Old 08-21-2012, 01:30 PM   #24874
pierce
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Originally Posted by terry.mc View Post
I carry a comb on my dirtbike to scrape those nasty cholla bastards off.
if they are as big as that picture of the dude (golfer?!?) with the EMTs above, I'd want an 'afro rake' for that
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Old 08-21-2012, 01:45 PM   #24875
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Originally Posted by pierce View Post

A couple years ago, he was still doing trail stuff like....

That's an awesome vid The Santa Cruz Mtns have the absolute best Mt Bike trails that I've ever seen, the first time I rode there was at Skeggs in late August a few years back on a Demo bike and it blew my mind how the trails flowed, the scenery, the temperature it was a surreal experience.

If my job had been in Santa Cruz instead of Sunnyvale, I don't think I'd have ever moved away from California.
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Old 08-22-2012, 05:39 AM   #24876
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USA Pro Challenge

You lucky bastages in Colorado ! What an awesome bike tour. Neat to see the adv sticker on motorcyclist helmet that had TV dude on back. Nice ride Tejay !


and the fat tire commercials are pretty cool as well. Wish we could get the stuff here.

zippy screwed with this post 08-22-2012 at 06:27 AM
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Old 08-22-2012, 07:36 AM   #24877
Aurelius
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Strava leader boards

It seems many riders are timing their rides at off road trails and posting the results on Strava's leader boards. I recently purchased a Garmin Edge 800 and did some test runs at a local mtb trail. In two cases, Strava couldn't distinguish between one trail segment and another that runs along side it, and twice it credited me with an uphill run when in fact I'd done a downhill run.

Another rider who holds several KOM's on that trail tells me that errors like that are not uncommon. Strava's website states that even in optimal conditions, GPS tracking is only accurate to within 10 meters (33 feet). Variations that great can easily account for errors of several seconds in calculating the time it takes a rider to complete one segment. It can also invalidate a timed run through a segment when it mistakenly thinks you haven't traveled the full distance. Since positions on various leader boards are often determined by differences of as little as 1 second, are riders placing entirely too much faith in their GPS to provide the degree of accuracy these results require?
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Old 08-22-2012, 07:39 AM   #24878
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Quote:
Originally Posted by Aurelius View Post
It seems many riders are timing their rides at off road trails and posting the results on Strava's leader boards. I recently purchased a Garmin Edge 800 and did some test runs at a local mtb trail. In two cases, Strava couldn't distinguish between one trail segment and another that runs along side it, and twice it credited me with an uphill run when in fact I'd done a downhill run.

Another rider who holds several KOM's on that trail tells me that errors like that are not uncommon. Strava's website states that even in optimal conditions, GPS tracking is only accurate to within 10 meters (33 feet). Variations that great can easily account for errors of several seconds in calculating the time it takes a rider to complete one segment. It can also invalidate a timed run through a segment when it mistakenly thinks you haven't traveled the full distance. Since positions on various leader boards are often determined by differences of as little as 1 second, are riders placing entirely too much faith in their GPS to provide the degree of accuracy these results require?
You take shit way too seriously...
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Old 08-22-2012, 07:52 AM   #24879
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Originally Posted by Mercury264 View Post
You take shit way too seriously...
This is serious business, Mercury.
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Dizave opined: Why do you care where the premises come from? They are above reproach. For all intents and purposes, you can just make up all your premises, since they can't be proven anyway. That's why we need premises.
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Old 08-22-2012, 10:21 AM   #24880
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This is serious business, Mercury.
Gps is nice ... but time/distance is better. Second is a well calibrated cyclo puter.
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Old 08-22-2012, 11:20 AM   #24881
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Originally Posted by Uncle Pollo View Post
Gps is nice ... but time/distance is better. Second is a well calibrated cyclo puter.
Yep the electronic one upmanship in this thread is bordering on ridiculous. Most of the fast guys I know couldn't give two shits about posting their "record breaking times" on some website. Hey look at me, I'm the fastest guy on the greenway! Hooray!
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Old 08-22-2012, 11:23 AM   #24882
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Originally Posted by Aurelius View Post
This is serious business, Mercury.
Not really....honestly, I could understand it if you were a pro perhaps but all this seems to be is oneupmanship. I dunno, but my brain just doesn't think that way - life is way too short for that.
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Old 08-22-2012, 12:12 PM   #24883
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Originally Posted by Mercury264 View Post
Not really....honestly, I could understand it if you were a pro perhaps but all this seems to be is oneupmanship. I dunno, but my brain just doesn't think that way - life is way too short for that.
You're misinterpreting things. I'm not at the top of any leader board and likely never will be. This isn't something I have any personal stake in.
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Dizave opined: Why do you care where the premises come from? They are above reproach. For all intents and purposes, you can just make up all your premises, since they can't be proven anyway. That's why we need premises.
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Old 08-22-2012, 12:14 PM   #24884
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Originally Posted by Aurelius View Post
You're misinterpreting things. I'm not at the top of any leader board and likely never will be. This isn't something I have any personal stake in.
Well, I'm not the one who said it was serious business...
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Old 08-22-2012, 12:16 PM   #24885
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Originally Posted by Mercury264 View Post
Well, I'm not the one who said it was serious business...
So you've lost your sense of humor too?
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Dizave opined: Why do you care where the premises come from? They are above reproach. For all intents and purposes, you can just make up all your premises, since they can't be proven anyway. That's why we need premises.
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