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AntonioGG

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Everything posted by AntonioGG

  1. I just read @cxagent's link on dry bulb, wet bulb, and dew point. Thanks! I'm definitely saving that link. So to summarize my above post, what I'd like to know is if the material choice in the wet bulb would make a difference. Would wet bulb temp with muslin be higher than wet bulb temp with a tech fabric?
  2. Is the Wunder Pig opening this Tuesday? Their normal schedule has them closed Monday and Tuesday.
  3. @CBaron I think I've told you this story. In 2011 I did the Cohutta 100 in Georgia. By then 29ers were already a common bike in Austin. But in Georgia they seemed to be rare. I remember a pack of 26er guys watching me fly through a root garden yelling "look at those big wheels go!". @JRA , your first impression of 29ers is exactly my impression. They are a big advantage in most situations.
  4. @cxagent take a look at my ride from yesterday https://www.strava.com/activities/2475474003 in the hottest part of the day. It was a bit of an experiment (stupid one) after following this thread. I wore my Pearl Izumi sun sleeves and a club jersey. The sleeves were drying even though I was sweating. The jersey and my skin (other than my arms) stayed moist. It mostly felt OK except for the 620 climbs (with some tail wind) and some of the 360 climbs where the south headwind was being blocked by the hills. The worst was the climb from the dam to past Marshal Ford (and the two stupid super long lights in a row there) the Garmin-indicated temp at the dam wad 93°F and at the top it was 100°F. The sleeves definitely did their job but the "technical" fabric of the jersey did not work as well as the sleeves. I had to stop 3 times to get water even with 3 bottles when normally I could do the whole thing without stopping. The best was the Chevron on 2244 that had sprinklers running on the bit of grass with a picnic table. The sleeves I think help pull moisture off the skin, and increase the surface area for evaporation. What I don't know is if it's possible for a material to increase the rate of phase change of the water. I know they make nano-materials that increase condensation or make it possible when it isn't condensing anywhere else. My sleeves are a few years old, but when they were new, the amount of cooling was freaky. I mostly got them to block the sun since I hate putting on sunblock, but now I wish I could get a whole kit made out of this material. I'm not sure what the dew point was yesterday, but I'm curious what my experience says about evaporation cooling based on the conditions.
  5. Nice that they come with the tapered head tube now. Mine is 1 1/8" all the way which really limits the fork choices these days.
  6. ^^^^This. I also tend to flatten out my road rides more.
  7. I have to admit that Rocky Hill for some reason feels extra hot to me compared to almost any other trail. I don't know what it is...maybe those red pebbles or something. I've ridden there at 99°F and it felt awful! CJB, I agree. To me, by August (and even now already this year) 92°F feels cool to me, especially in the afternoons.
  8. Thanks for the clarification re: conduction/convection Ridenfool. I'm about to go push my cooling sleeves and beanie to the limit on a hilly road ride:
  9. I love the Trainerroad podcasts! FJ, I'm at 205-210lbs and I find that simulated climbs (Rouvvy, Zwift) end up with my CycleOps Hammer overheating and decreasing the resistance. It's a combination of my comfortable pace not spinning the wheel/fan fast enough, and my weight + simulation = higher Watts when doing anything that gets beyond 5-6%. So I stick to TrainerRoad (if I absolutely have to) for that reason and hill repeats outside. It was the same problem with my Computrainer even when pointing a fan right at it.
  10. +1. Also on steep climbs or when you have a tailwind! Feels like my shoes will melt. I love the headwinds in the summer.
  11. Most of the cooling in humans is not convective though, it's evaporative. (Dogs only have convective cooling, except for through their mouths, so keep your dogs home in this heat--especially the brachycephalic (pugs, bulldogs, boxers, etc.).) One of the things I remember the most about HS Chemistry was the experiment to measure calories for evaporation vs convection. Basically, it was measuring how much heat you could extract by adding ice, vs evaporating. It wasn't even close! Layers that promote evaporation make a difference as well. The key is to make sure you're sweating. Once you stop sweating they act like warmers. If it's extremely humid where water doesn't evaporate, then that's a problem as well. For me, I can ride in the dry heat better than in cooler more humid temps, as long as I have plenty of fluids. I'll ride in the afternoon rather than in the morning for this reason.
  12. The interesting thing is to see what each one had as a target to finish. Sofiane's target was 15 days vs Wilcox and Kato's target of 14 days. There are some 16 day people ahead of Wilcox. Did some burn some matches too early? Or are they just feeling pretty good? Seems like the 2nd half southbound is the hardest by looking at the elevation profile, but I don't know for sure.
  13. You nailed it. I had a "background" headache for 5 days. It went away the day of the race. I somehow still managed to enjoy myself riding some of the local trails (it was really hard not to go too hard) and I pre-rode a few of the climbs just to get used to what was coming. I had gone a month earlier to pre-ride some more as well. Same story. I want to go back and do this race again (even though I hated pretty much everything about it) just to apply what I know now.
  14. I think the tricky part of that spot and a couple of other spots on 1/4 is that maybe your front and rear tires hit a step (or step and root) at the same time. If you're tired that makes it seem harder.
  15. Cody nailed it, especially the happy zone point. I'll add one thing. I found that coming from Austin, at 10k the happy zone was not hard to find and it was comfortable, but if you have to punch it to pass people, it was hard to get back to that happy zone for me. I got there 6 days before the event which is about the worst thing I could have done. Sounds like you'll have some more time to get used to the altitude. I've heard the other alternative is to get there the day before.
  16. Go do 8700 feet here in Austin repeats if you get a chance. Like fontarin says, the elevation will get you, but you'll at least know you can handle the actual climbing. I've been looking at those events myself too. Maybe next year.
  17. And could have finished 3rd in Cat 1!
  18. Ah, this one has been changing with erosion as of lately. I used to go right on the step, then wide around the tree on the right with sharp turn right to get over it. Now I go left on the step and more straight through the tree.
  19. https://drive.google.com/drive/folders/16ba9j9zAIM3JnB0IeEfizMLsdP5aAkFy
  20. Glad you setup that gofundme. I keep forgetting to get the gift card. This is much easier. Thanks!
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