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  1. #1
    Bike_curious?
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    Just watched "Breaking Away" is 50+ mph possible?

    Breaking Away was a fun movie but there's a scene where the main character is riding on the freeway behind a big rig and clocks 55+. I'm sure having a truck in front would help with wind resistance but has anyone reached 55-60 mph?<object width="425" height="344"><param name="movie" value="http://www.youtube.com/v/7Qzn6opcusE&hl=en&fs=1&rel=0"></param><param name="allowFullScreen" value="true"></param><embed src="http://www.youtube.com/v/7Qzn6opcusE&hl=en&fs=1&rel=0" type="application/x-shockwave-flash" allowfullscreen="true" width="425" height="344"></embed></object>
    "I meant to do that..."[SIGPIC][/SIGPIC]

  2. #2
    Senior Member Iwannagofast's Avatar
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    55-60? Going downhill it is possible.
    "Of puns it has been said that those who most dislike them are those who are least able to utter them."-Edgar Allan Poe

  3. #3
    Senior Member dcbikeguy's Avatar
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    Senior Member Ralleh's Avatar
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    Quote Originally Posted by dcbikeguy View Post
    That doesn't mean it's possible, simply that WR did it.

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    Senior Member Iwannagofast's Avatar
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    Quote Originally Posted by Ralleh View Post
    That doesn't mean it's possible, simply that WR did it.
    "Of puns it has been said that those who most dislike them are those who are least able to utter them."-Edgar Allan Poe

  6. #6
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    My speedo coming down a local canyon last week said 62.2mph. I'm certain that was a mistake.

    My speedo last night coming down same canyon said 48.6mph ( on a 50-34), was not a mistake. So absolutely yes. 50-55 is definately doable. One of these days, with some luck, and a lot of hard work, I will post a pic of my speeding ticket coming down said canyon.

  7. #7
    pan y agua merlinextraligh's Avatar
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    Drafting a semi,once you're hooked into the draft 60 mph is very doable.

    Look at the bicycle landspeed records where motorpacing is used,and it's 2 1/2 times that.
    You could fall off a cliff and die.
    You could get lost and die.
    You could hit a tree and die.
    OR YOU COULD STAY HOME AND FALL OFF THE COUCH AND DIE.

  8. #8
    What is this demonry?! Szczuldo's Avatar
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    Quote Originally Posted by merlinextraligh View Post
    Drafting a semi,once you're hooked into the draft 60 mph is very doable.

    Look at the bicycle landspeed records where motorpacing is used,and it's 2 1/2 times that.
    don't fall out of the draft going for a World record, from what I've seen is it hurts. But yes 50mph is easily doable especially downhill or behind a large moving vehicle.

  9. #9
    The mods changed this... damocles1's Avatar
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    I motorpaced a Merita breadtruck at 50+ for about 5 miles last summer. It's definitely do-able.

  10. #10
    Making a kilometer blurry waterrockets's Avatar
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    Quote Originally Posted by Ralleh View Post
    That doesn't mean it's possible, simply that WR did it.
    I'm not exactly sure what that means, but

    Whenever I draft trucks, 55+ is my goal.

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    Yesterday I was doing 45+ downhill right next to a blazer. I bet they were all laughing at me. I didn't even think about drafting at the time though. It was so much fun, I just had a huge on my face.

  12. #12
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    Senior Member Jay Andriot's Avatar
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    Drafting behind a truck you could get that speed but could he do it on his Masi with a 52/12, that's spinning very fast.

    Jay

    edit: did the caluation and he would have had to spin at 159 rpm on the big ring, he was on the small ring in the movie
    Last edited by Jay Andriot; 08-24-08 at 02:01 PM.

  14. #14
    Randomhead
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    the scene in the film is done in such a way that it is impossible. Plus, back then, we only had 10-12 gears, so most people didn't have a gear high enough to go that fast. But given a big enough gear, it's possible.

  15. #15
    Je suis ici ! Mike_Like_Bike's Avatar
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    Wasn't Dave in his small ring (on the front) in that scene???

  16. #16
    elitist jerk daytonian's Avatar
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    "i'm not eating any of that inni food"
    I feel like a soiled kleenex dropped in the gutter in the red-light district of Paris.

  17. #17
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    ^^ since when did you become an elistic jerk!



  18. #18
    pan y agua merlinextraligh's Avatar
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    Quote Originally Posted by Jay Andriot View Post
    Drafting behind a truck you could get that speed but could he do it on his Masi with a 52/12, that's spinning very fast.

    Jay
    50 mph would only be a touch over 140rpm in 52/12. However, I think Mike's correct that it was filmed with him in the small chain ring. 42/12 would require a very fast spin.
    You could fall off a cliff and die.
    You could get lost and die.
    You could hit a tree and die.
    OR YOU COULD STAY HOME AND FALL OFF THE COUCH AND DIE.

  19. #19
    Senior Member Iwannagofast's Avatar
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    Quote Originally Posted by CharlieWoo View Post
    How is that possible!?
    "Of puns it has been said that those who most dislike them are those who are least able to utter them."-Edgar Allan Poe

  20. #20
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    Quote Originally Posted by Iwannagofast View Post
    How is that possible!?
    Because he was drafting. Rolling resistance + mechanical friction << drag

  21. #21
    pan y agua merlinextraligh's Avatar
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    ^^ Vast majority of resistence is aerodynamic. You eliminate that by essentially riding behind a moving wall.

    The mechanical resistence, such as rolling resistence,and friction in the components doesn't rise geometrically, like wind resistence, so with fitness, balls, and the right equpment you go very fast
    You could fall off a cliff and die.
    You could get lost and die.
    You could hit a tree and die.
    OR YOU COULD STAY HOME AND FALL OFF THE COUCH AND DIE.

  22. #22
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    Quote Originally Posted by merlinextraligh View Post
    ^^ Vast majority of resistence is aerodynamic. You eliminate that by essentially riding behind a moving wall.

    The mechanical resistence, such as rolling resistence,and friction in the components doesn't rise geometrically, like wind resistence, so with fitness, balls, and the right equpment you go very fast
    Who says you need balls?


  23. #23
    Senior Member Iwannagofast's Avatar
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    Would it be hard to maintain control of the bike going over 100mph?
    "Of puns it has been said that those who most dislike them are those who are least able to utter them."-Edgar Allan Poe

  24. #24
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    Have hit 54 doing down hill before, at the base of the hill while I was cruising at 30ish a guy in a pick up truck pulled up next to me and said "WHOOOOO!!! Boy do you know how fast you were going back there?!?! I was going 55 and you were pulling away from me! WHOOO!"

    Yes he sounded exactly like Macho Man.

  25. #25
    pan y agua merlinextraligh's Avatar
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    Quote Originally Posted by Iwannagofast View Post
    Would it be hard to maintain control of the bike going over 100mph?
    I would think so. You could go to one of John Howard's trianing camps and ask him.

    http://www.youtube.com/watch?v=Py94okBKDU0
    You could fall off a cliff and die.
    You could get lost and die.
    You could hit a tree and die.
    OR YOU COULD STAY HOME AND FALL OFF THE COUCH AND DIE.

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