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I'm the clothes pins map holder 
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Jul 27, 2021 00:25
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| # ? May 27, 2024 03:31 |
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My current map solution is kind of garbo and I think clothes-pinning maps to the top flap of my tank bag would be an improvement. That’s less about how good a solution it is and more about how unusable small and narrow the Cortech map flap is.
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Jul 27, 2021 04:05
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Ulf posted:My current map solution is kind of garbo and I think clothes-pinning maps to the top flap of my tank bag would be an improvement. Is yours also inexplicably tapered? Those cortech map sleeves were designed by someone who exclusively navigates with their phone. On mine, the drat zipper is a full inch shorter than the length of the actual pocket, so it’s a fuckin ship in a bottle exercise to get a map in and fold it back out flat if your map is bigger than say a post it note.
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Jul 27, 2021 05:08
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Yeah, irritating taper and a thick Velcro flap that couldn’t be more in the way and hard to use. Good bag otherwise but I don’t use my phone when touring, just paper maps, so it’s annoying.
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Jul 27, 2021 05:25
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Slow me to present the greatest tank bag ever (  Teknik, you were too good for the world)3 pieces, magnetic base with straps, plus two zippered bags of holding; could use either with the base or combine the two for max storage. Each part had a zippered map sleeve that could hold letter size paper.  8.5" x 11" paper for scale: 
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Jul 27, 2021 18:49
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Any bag made when the average person idea of navigation was "print a mapquest page" is gonna be amazing for holding maps
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Jul 27, 2021 19:05
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I can't even imagine the process of looking down at a map for navigation while riding. A lot of things on this bike are loving weird but having Apple CarPlay is amazing.
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Jul 27, 2021 19:51
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Strife posted:I can't even imagine the process of looking down at a map for navigation while riding. All I see is:  Makes me want one more.
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Jul 27, 2021 20:02
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Now I desperately want a single din CarPlay unit to put where the tape deck is on the Goldwing
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Jul 27, 2021 20:03
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Magnetic bags don't work on aluminum 
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Jul 27, 2021 20:10
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https://i.imgur.com/kJb8ubV.mp4
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Jul 27, 2021 20:49
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Now that is skill.
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Jul 27, 2021 21:02
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How to fix a broken exhaust stud the complete overkill way. Also he works one stuck bolt out by hand and gets the intake screws with an impact driver, which is more like what a mere mortal can do https://www.youtube.com/watch?v=kUOina5ULZo Beve Stuscemi fucked around with this message at 21:22 on Jul 27, 2021 |
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Jul 27, 2021 21:19
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Why didn't he just ride around it? Idiot. toni bou is so absurdly good.
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Jul 27, 2021 22:06
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The design of this course implies there are more people that can do this? I was amazed before he turned around and did the whole thing again from the other side.
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Jul 27, 2021 22:36
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The thing with trials videos is you know exactly what’s coming but it’s still mind blowing.
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Jul 27, 2021 22:43
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HenryJLittlefinger posted:The thing with trials videos is you know exactly what’s coming but it’s still mind blowing. You know that everyone else who does it is going to get docked a few faults, then when it's Toni's turn he's going to clean every section because the he's more machine than man. He/It is SO good.
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Jul 27, 2021 22:48
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No. 6 posted:Magnetic bags don't work on aluminum
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Jul 27, 2021 22:50
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Strife posted:The design of this course implies there are more people that can do this? I was amazed before he turned around and did the whole thing again from the other side. The courses are designed to get progressively more difficult until the last section, which is basically impossible, so the result is determined by who lasts the longest before falling. Toni bou breaks this system by being able to clean run every section every time no matter how brutal, because he isn't human.
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Jul 27, 2021 22:55
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I love Trials both motorcycles and bicycles. https://youtu.be/JnA4P2AX1yo?t=14394 Russian Bear fucked around with this message at 23:31 on Jul 27, 2021 |
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Jul 27, 2021 23:27
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What's wild to me about the bicycle trials is that they aren't pedaling/spinning the back wheel for a boost, just jumping with their legs. I can't even jump those distances without a bike.
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Jul 29, 2021 18:18
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T Zero posted:What's wild to me about the bicycle trials is that they aren't pedaling/spinning the back wheel for a boost, just jumping with their legs. I can't even jump those distances without a bike. They do though. They're just not doing obvious full pedal revolutions or anything, just small kicks simultaneously while they also jump with their legs. They even make special freewheels for trials with lots of extra teeth and pawls inside that sound like bees when they're coasting so that there's less free play in the pedals before they engage.
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Jul 29, 2021 18:57
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T Zero posted:What's wild to me about the bicycle trials is that they aren't pedaling/spinning the back wheel for a boost, just jumping with their legs. I can't even jump those distances without a bike. They are making very small inputs on the cranks with a very small gear (and what Dog Case mentioned) so they are able to put a ton of torque through the drive train at exact moments they need it.
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Jul 29, 2021 19:14
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Humans are very torquey, we just can’t apply that torque over a high speed, which is why we don’t make much horsepower.
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Jul 29, 2021 19:35
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Jim Silly-Balls posted:Humans are very torquey, we just can’t apply that torque over a high speed, which is why we don’t make much horsepower. I remember one of the bike mags put a cyclist on a dyno and yeah, they were putting out big Harley levels of torque, but it was a touch peaky.
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Jul 29, 2021 19:46
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We have a big fat moment arm (moment leg?) through which to apply power
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Jul 29, 2021 19:48
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That makes it all the more impressive that they're putting out so much power but you can barely perceive their legs or the wheel moving.
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Jul 29, 2021 20:43
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goddamnedtwisto posted:I remember one of the bike mags put a cyclist on a dyno and yeah, they were putting out big Harley levels of torque, but it was a touch peaky. Isn't a typical "stroker" engine even just 3 inches (75mm) of piston travel? On a bicycle with the seat properly height-adjusted, legs can go up and down more than an entire foot (300mm). JSB is right though, maximum RPM is gonna be around 100 before your knees eject themselves from their sockets. ...Isn't there a formula for the maximum piston speed manufacturers want to aim for in a cylinder? Right in the middle of a stroke is when it's moving the fastest; it achieves the speed sooner in the RPM range with a long-stroke piston, and much later on in a short-stroke engine.
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Jul 29, 2021 21:00
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T Zero posted:That makes it all the more impressive that they're putting out so much power but you can barely perceive their legs or the wheel moving. It's not power, it's torque. Torque is twist force and yeah humans can make a lot. Power is work, in this case torque, done over time, which humans are super bad at. Otoh a small 2t can be stalled by a spanner pull at idle, but will happily out-pull a fleet of single teste'd spandex roid sperm when it's on song, because it makes thousands of tiny pedal turns instead of a small amount of really big ones. Slide Hammer posted:Isn't a typical "stroker" engine even just 3 inches (75mm) of piston travel? On a bicycle with the seat properly height-adjusted, legs can go up and down more than an entire foot (300mm). JSB is right though, maximum RPM is gonna be around 100 before your knees eject themselves from their sockets. It's largely about bore/stroke ratio, 75mm is like a 5L v8's worth of stroke because to have a reasonable b/s you'd need like a 60mm bore at least, I'm not sure even a Harley big twin moves that far. Generally most performance engines on cars and bikes settle around 1:1 ratio, some go super over-square in search of diminishing gains (panigale v2), others go slightly under-square trying to shore up low-range torque (r6).
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Jul 29, 2021 21:12
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Slavvy posted:It's not power, it's torque. Torque is twist force and yeah humans can make a lot. Power is work, in this case torque, done over time, which humans are super bad at. Otoh a small 2t can be stalled by a spanner pull at idle, but will happily out-pull a fleet of single teste'd spandex roid sperm when it's on song, because it makes thousands of tiny pedal turns instead of a small amount of really big ones. So time is not the denominator here? My thought was that they must be applying a lot of torque over an extremely short period of time in order to get the bikes to leap.
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Jul 29, 2021 21:48
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No you're on the right track, the key is theT Zero posted:short period of time They're applying maximum torque for a tiny period of time, but because power = tq x time, the actual power output is really low. If they could do that amount of torque, for a full revolution, while pedalling at several thousand rpm, they'd have ice-like power. Afaik peak rpm on a late model homo sapiens is like 100.
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Jul 29, 2021 22:00
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You can get 110-120 rpm on a bike during a sprint pretty easily if you’re a regular cyclist, but not for very long. World class sprinters can reach 130+ and maintain above 110 for longer periods in higher gears.
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Jul 30, 2021 01:54
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Lets assume 80 ftlbs? Thats 1.7HP according to this: https://spicerparts.com/calculators/horsepower-torque-calculator Nice! I would imagine that sustained at high speeds, your torque is much lower, 30ftlb? Thats 0.6HP which makes more sense
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Jul 30, 2021 02:08
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He's a world class track cyclist https://www.instagram.com/p/CRWWlvaJfLK/ 130rpm is totally doable even being a regular cyclist, but you gotta work on that skill like anything else and yeah it's hard to do for longer than 20 to 30 seconds. I routinely see teenagers with junior gears spinning their little hearts and lungs out on fast group rides at 110+ especially if they fall out of the draft. Russian Bear fucked around with this message at 06:41 on Jul 30, 2021 |
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Jul 30, 2021 06:36
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I guess when you factor in weight, you could have a situation where a powerful cyclist + bicycle combo has a comparable p:w to a scooter. Let's say nominally 80kg combined rider bike weight with about 1.8hp at peak vs 3.5hp and a combined ~160kg (based on a Honda today 4t), it'd be pretty close for a bit!
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Jul 30, 2021 07:14
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Dogs.  Not pictured, the dog I saw precariously standing on the tank a few weeks back. I am pretty sure my dog would absolutely hate being on a bike, and even if she didn't, I think I would be too worried about something happening to even try!
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Jul 30, 2021 20:46
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 Race ready. RACE READY.  This DR is perfection, look at those colors.
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Jul 31, 2021 05:47
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Revvik posted:
woah nice
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Jul 31, 2021 10:21
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Guess it will play in Peoria!
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Jul 31, 2021 14:27
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| # ? May 27, 2024 03:31 |
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That DR looks amazing
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Jul 31, 2021 17:23
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