#41
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On 2004-10-04, BringYouToLife wrote:
Blair P. seems to know what I'm talking about, thanks, Blair, that was really interesting info. I figured someone must have already tried such things, just didn't know. So, if someone using my idea went 150mph, but the problem is he'll get blown over, but what about using the increased power efficiency to haul things, or power a 4 wheeled small car more easily? The guy who went 150mph did *not* use your 'idea'. He used a compound drivetrain (if that's how you'd describe it). Standard pedals and crank connected to a large chainwheel to a small cog behind the seat, connected to another large chainwheel, to a small cog on the wheel. Basically, a *huge* gear. For some reason the number 134 gear inches is stuck in my head, but that could be way off. As I recall, he had to be towed up to 60mph, because the gear was to big to be turned from a standing start. Mark -- Remove both wrongs to make the email address right. |
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#42
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On 2004-10-05, BringYouToLife wrote:
Blair has pointed out that the record is 150mph with a bike with a very large chain wheel(sprocket) and a very small cog(racing cog). The size of the chain wheel(sprocket) is limited by the leverage of the pedal, however. Your tangential velocity you can achieve on a large chain wheel is limited by your leverage of the crank, or pedal lever. MOre power allows faster tangential velocity or a very large chain wheel(sprocket). Do you understand what I'm getting at, Blair? Did you mean, by flat-pedal bike, he was riding a bike like I described, where you aren't spinning pedals around, but rather ratcheting the chain wheel, like a stair master. This would allow you to turn a much larger Chain wheel. Do you happen to know what the diameter of the chain wheel was on the bike that went 150mph? Here is all the info I could find on it; http://www.canosoarus.com/08LSRbicycle/LSR Bike01.htm Mark -- Remove both wrongs to make the email address right. |
#43
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On 2004-10-05, BringYouToLife wrote:
I don't understand why you're need to behave like little know it all bitches so over-rides your curiousity about other people's ideas, but oh well. Maybe your parents disapproved of you, I know I would have, but really, I know you see me as a weak authority figure, the weak father stripped of his omnipotence, and you want to kill God, because it's your primal instinct, but your animal consciousness is what separates you from God. Biking is a great way to circumsize the animal mind and merge into consciousness with God, and thereby see into all mysteries and super-intelligence through telepathy, rather than the effort of learning and struggling, the struggling of Adam in the garden. Forgive me, but my doesn't this one phrase sound indicative; "Rather than the effort of learning". Says it all, really. Mark -- Remove both wrongs to make the email address right. |
#44
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On 2004-10-05, Curtis L Russell wrote:
On Tue, 05 Oct 2004 15:50:41 GMT, Mark Mitchell wrote: All that for a couple hundred spent at a metal fabricator's shop. What are you waiting for? Read some of his other posts. This guy must be a troll from some other list(s) that found his way here. I think I hear the sounds of a loon on the lake... I have read them and I (mostly) agree. Personally, I don't get a troll vibe. More like undereducated loon. And yes, I know that we shouldn't engage in conversation with the delusional, but sometimes I just can't help it. A character flaw of mine. Sorry. Mark -- Remove both wrongs to make the email address right. |
#45
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sorry about those stupid nasty words I said to someone back there, not
to Blair or Mark or the others with positive comments. That was interesting what you guys wrote, lots of cool info. I'm new here and not used to the snottiness of some. thanks for your intelligent posts. I had rode on a bike like the one I was describing and the acceration and power seemed so strong, I never tested it out much though, just sort of an eccentric piece of exercise equipment in an old gym. |
#46
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Mark, I looked up that record of 166.9 mph, did you know Fred
Rompelberg was 50 years old when he set that record? |
#47
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also, Mark and Blair, another interesting fact was, Fred Rompelberg
set the land speed record by a bicycle at the Bonneville Salt Flats on 20” and 24” wheels. http://www.arrowracing.com/tires/ I find that bizarre, those are very small diameter tires, like a little kids bike. |
#48
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Mark Mitchell wrote:
On 2004-10-05, BringYouToLife wrote: Do you happen to know what the diameter of the chain wheel was on the bike that went 150mph? Here is all the info I could find on it; http://www.canosoarus.com/08LSRbicycle/LSR Bike01.htm Hm. I've never seen the car or the bike shown in that picture. Honestly, I think I was actually remembering the 1973 record. The bike was more conventional, may have had a compound gear or may not, and was following a 50's era Chevy. --Blair "I have no recollection of sniper fire on the day in question." |
#49
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On 2004-10-06, Blair P Houghton wrote:
Mark Mitchell wrote: On 2004-10-05, BringYouToLife wrote: Do you happen to know what the diameter of the chain wheel was on the bike that went 150mph? Here is all the info I could find on it; http://www.canosoarus.com/08LSRbicycle/LSR Bike01.htm Hm. I've never seen the car or the bike shown in that picture. Honestly, I think I was actually remembering the 1973 record. The bike was more conventional, may have had a compound gear or may not, and was following a 50's era Chevy. That's the only speed record I know anything about. I first ran across it way back when I had a subscription to Bicycling magazine, and they had an article on it when it happened. Made an impression on me. Other minor trivia that I recall from that article way back then, apparently on one of the early attempts John Howard got up to some high speed (100+) and had a flat tire. They pull the tire off, can't find any kind of a leak. Turns out that the centrifucal(sp?) force was high enough to depress the valve on the Schraeder valve. Fixed it with a valve cap from a car on the site. Now you know everything I know about bicycle speed records. Mark -- Remove both wrongs to make the email address right. |
#50
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"BringYouToLife" wrote in message m... Mark, I looked up that record of 166.9 mph, did you know Fred Rompelberg was 50 years old when he set that record? On a bike totally unsuited to any other purpose. And drafting behind a car. The undrafted record (fully faired recumbent) is just upwards of 80 or so. http://www.ihpva.org/hpva/hpvarec7.html Again, on a bike totally unsuited to any purpose besides breaking a record. http://www.wisil.recumbents.com/wisi...2004/Varna.htm Very impressive, but it won't help me get to work on roads populated by other vehicles, people, rain, dogs, potholes, etc. Just like a Top Fuel car going 300+. Impressive, but useless for anything but the dragstrip. Pete |
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