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(Mashable)   80 mph on a bicycle? Here comes the science   (mashable.com) divider line 154
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9169 clicks; posted to Main » on 23 Aug 2013 at 9:53 AM (33 weeks ago)   |  Favorite    |   share:  Share on Twitter share via Email Share on Facebook   more»



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2013-08-23 08:16:31 AM
Yeah, drafting.  meh.
 
2013-08-23 08:38:26 AM
"you'd be pushing it to hit 25 mph on a normal bike"
speak for yourself lady.  That's my cruising speed.
 
2013-08-23 08:50:53 AM
Two words -- speed wobble
 
2013-08-23 09:12:35 AM

serial_crusher: "you'd be pushing it to hit 25 mph on a normal bike"
speak for yourself lady.  That's my cruising speed.


I can cruise about 22 mph on my recumbent and I'm old.

I remember hitting about 45 going down a hill on my 10-speed as a 12-year old. Scary. Do that faster and/or more often and it will be "Here comes the ambulance."
 
2013-08-23 09:58:38 AM

nekom: Yeah, drafting.  meh.


Yeah, not impressed. What's the record without drafting?
 
2013-08-23 09:59:19 AM
That's still 8 mph too slow.


img2-3.timeinc.net
 
2013-08-23 10:01:35 AM
FTFA  Although the world record for the fastest bike ride was set in 1995 by, who reached 167 mph,

The hell?
 
2013-08-23 10:01:40 AM
the question is... how many have speedometers on their bikes so that they can wow and amaze us.
 
2013-08-23 10:02:27 AM
112 on a 'bike'
First of the Superbikes
CB 750 that is
 
2013-08-23 10:04:00 AM

nekom: Yeah, drafting.  meh.


for good or for awesome: FTFA  Although the world record for the fastest bike ride was set in 1995 by, who reached 167 mph,

The hell?



Yep, about 20 years ago on the Bonneville Salt Flats.  Drafting, and throttle control on the 'pace car' was done by the bicyclist.  Pretty much the same thing as putting the bicycle on an ergometer in a lab.
 
2013-08-23 10:04:47 AM

serial_crusher: "you'd be pushing it to hit 25 mph on a normal bike"
speak for yourself lady.  That's my cruising speed.


Yeah, seriously. I can average that for 20 miles on a flat course, it's not hard at all to hit 25. Almost anyone should be able to.

Fastest I've ever had my bike was 58 mph on a long steep downhill. Scared the shut out of me. Helluva adrenaline rush though.
 
zez
2013-08-23 10:05:15 AM
Pretty impressed he could get started with that gearing, even if he was riding in a pocket the entire time.

Fastest I've ever gone for a distance is 54 down a hill, it's kinda zen until you have to turn or slow down.
 
2013-08-23 10:05:34 AM
 
2013-08-23 10:06:00 AM
Exact same thing was done in 1973 to 152 MPH.

So nice job being a copycat and going slower.
 
2013-08-23 10:06:35 AM

SonOfSpam: nekom: Yeah, drafting.  meh.

Yeah, not impressed. What's the record without drafting?


Depends on the definition of 'bicycle'.  Recumbents with fairings, 83mph on the flat, no drafting (Sam Whittingham).  If you agree with UCI that they aren't bicycles at all, mid-upper 50mph range I believe (can't find right now).
 
zez
2013-08-23 10:06:43 AM
Wonder if he was yelling "STRAVA COMING THROUGH!!!" the whole time?
 
2013-08-23 10:07:54 AM
Nice old Zephyr. Haven't seen one of them for a while.
 
zez
2013-08-23 10:08:30 AM

serial_crusher: "you'd be pushing it to hit 25 mph on a normal bike"
speak for yourself lady.  That's my cruising speed.


She said "normal bike" like the ones at wal-mart for $75, those would be really hard to get up to 25.

But yeah, 25 to 30 isn't that hard, even with my lower cyclocross gearing.
 
2013-08-23 10:10:11 AM
I've done 70. Scared the shiat out of me; never again.
60 is easy to hit.
 
2013-08-23 10:10:33 AM

Tillmaster: Nice old Zephyr. Haven't seen one of them for a while.


Yeah, I was admiring the car more than the cyclist drafting off it.
 
2013-08-23 10:12:08 AM
Not really related, but I also have the GPS data showning a 24 avg over 20 miles on one particularly outstanding ride to work.
 
2013-08-23 10:14:46 AM

Lawnchair: SonOfSpam: nekom: Yeah, drafting.  meh.

Yeah, not impressed. What's the record without drafting?

Depends on the definition of 'bicycle'.


Let me help you with that:

Definition of  BICYCLE: a vehicle with two wheels tandem, handlebars for steering, a saddle seat, and pedals by which it is propelled
 
2013-08-23 10:15:34 AM
www.svelo.eu

Cause that's new and original.  <a href="http://piedmontvelosports.blogspot.com/2011/08/alfred-letourner -set-mo tor-paced-speed.html ">Also 108 has never been done before.</a>
 
2013-08-23 10:17:00 AM
I remember hitting 40 on a Schwinn 5 speed orange crate with a speedometer as a kid. 167 was probably falling off a cliff.
 
2013-08-23 10:18:03 AM

Uchiha_Cycliste: Not really related, but I also have the GPS data showning a 24 avg over 20 miles on one particularly outstanding ride to work.


Damn dude, on the way to work? When I do that kind of ride, I'm toast. I can't imagine having to work afterwards.
 
2013-08-23 10:18:45 AM

Uchiha_Cycliste: I've done 70. Scared the shiat out of me; never again.
60 is easy to hit.


Curious where you hit 70...

The fastest I've ever gone on my bicycle was in the Rockies while I was on tour. I hit fifty two with my fully loaded touring rig. It was quite the rush.
 
2013-08-23 10:19:45 AM

nekom: Yeah, drafting.  meh.


============

Done in one.

BTW, the average person can only generate about 1/4HP of power.  That's good for about 16mph-20mph on flat road.  Except for freaks who are all legs, ass, and lungs.....the guys who ride the Tour de France for example....that's the practical upper limit for most people.
 
2013-08-23 10:21:52 AM

zez: Wonder if he was yelling "STRAVA COMING THROUGH!!!" the whole time?


Wait, people going faster than they should on a crowded trail actually give warning?
 
2013-08-23 10:22:12 AM

TwowheelinTim: Uchiha_Cycliste: I've done 70. Scared the shiat out of me; never again.
60 is easy to hit.

Curious where you hit 70...

The fastest I've ever gone on my bicycle was in the Rockies while I was on tour. I hit fifty two with my fully loaded touring rig. It was quite the rush.


Take a look at Pacific Island drive in Laguna Niguel. Look at the straighter, steeper East Side. (I had a wicked tail wind, and a straight blade fork that got rid of the wobbles)
 
2013-08-23 10:22:38 AM

TwowheelinTim: Definition of  BICYCLE: a vehicle with two wheels tandem, handlebars for steering, a saddle seat, and pedals by which it is propelled


Which is fine and all, but a lot of people more flexibly call my recumbent (from which I get my username) a bicycle.  Two wheels of different sizes, not a saddle, and handlebars (though under-seat... some people don't think I have them at all).  I don't really care what it's called as long as I can put bike parts on it and ride bike trails with it.
 
2013-08-23 10:23:11 AM
I went 63 when I was a dumb teenager riding on 16A near Mt. Rushmore. mumble mumble womprats back home mumble mumble...
 
2013-08-23 10:24:15 AM
I think the record without drafting is like 80 mph so on recumbent with a fairing, I am too lazy to google it.

It seems like this guy would be better off with a reduction gear added, or whatever you call it, instead of that huge gigantic stupid gear he has.  He could probably go faster as well.

I know that pros can sprint on their own over 40mph, and we are talking track cyclists with like 34" thighs.  Think about that, thats bigger than my waist.

Diminishing returns really catch up to you due to wind resistance though.  I look at this and scoff at it with the drafting.  Its one thing to go from 20 to 25mph.  When I go from 25 to 30mph, even on my time trial bike with an aero helmet, its an entirely different ball game.  I imagine the difference between 40 and 45mph is just ridiculous.
 
2013-08-23 10:25:13 AM

SirGeorgeBurkelwitzIII: Uchiha_Cycliste: Not really related, but I also have the GPS data showning a 24 avg over 20 miles on one particularly outstanding ride to work.

Damn dude, on the way to work? When I do that kind of ride, I'm toast. I can't imagine having to work afterwards.


Here, take a peek
http://connect.garmin.com/activity/299396750
It's really not so bad once you are used to the distance and exerting that sort of power every day. You get used to it.
 
2013-08-23 10:26:03 AM
fun fact:  Bing autocomplete for my bike (Raleigh Detour 4.0) comes up with "its to heavy".  So not only is my bike heavy, but people on the intertubes have bad grammar.

/Also, I'm too lazy to change my default search engine from Bing.
 
2013-08-23 10:28:46 AM
I know I'm going to regret this, but WTF is "strava"?

SirGeorgeBurkelwitzIII: Damn dude, on the way to work? When I do that kind of ride, I'm toast. I can't imagine having to work afterwards.


Depending on terrain, 20 is totally doable.  My bike commute is pretty damned hilly, and I average 17 - 18 without any issues.  A flat ride is a good deal faster: when I rode in FLA I'm pretty sure we were up to 22 by the time we left the parking lot.

/fwiw
 
2013-08-23 10:28:49 AM

Uchiha_Cycliste: SirGeorgeBurkelwitzIII: Uchiha_Cycliste: Not really related, but I also have the GPS data showning a 24 avg over 20 miles on one particularly outstanding ride to work.

Damn dude, on the way to work? When I do that kind of ride, I'm toast. I can't imagine having to work afterwards.

Here, take a peek
http://connect.garmin.com/activity/299396750
It's really not so bad once you are used to the distance and exerting that sort of power every day. You get used to it.


Fair amount of elevation loss there. I'm guessing most of the trip is level or slightly downhill? Once you get strength up and the right bike 25 mph is easy on level or slight down grade.
 
2013-08-23 10:29:59 AM
I had a wrench van pace me back to the pack at 62mph one time. TFA dude's more badass than he's being given credit for in this thread, but yeah, there are bigger numbers elsewhere.

TFA author is a dumbass. A big chainring does not give the pedaler more power. wtf?

For me, fastest with no draft was 60mph dropping down 2222 in Austin, from 3M, with a tailwind. Fastest regular speed for me is about 50mph, on some local descents if the wind is right.

Fastest hour on a bike was 29mph in a crit. Fastest hour solo is 25mph, on a TT rig (I am  not a TT guy, having some teammates who hit 27 that day).
 
2013-08-23 10:30:40 AM
"Upon hitting 80mph he was quickly passed by a motorist complaining that bicycles are too slow and shouldn't be taking up valuable space on the road."
 
2013-08-23 10:30:42 AM

fireclown: I know I'm going to regret this, but WTF is "strava"?

SirGeorgeBurkelwitzIII: Damn dude, on the way to work? When I do that kind of ride, I'm toast. I can't imagine having to work afterwards.

Depending on terrain, 20 is totally doable.  My bike commute is pretty damned hilly, and I average 17 - 18 without any issues.  A flat ride is a good deal faster: when I rode in FLA I'm pretty sure we were up to 22 by the time we left the parking lot.

/fwiw


Strata is a GPS tracker for runners and cyclist. They also have an iPhone and android app if you don't have dedicated tracker. Lets you see how well you are doing over a ride and parts of it.

Pretty popular with the pros.
 
2013-08-23 10:31:06 AM

Intrepid00: Uchiha_Cycliste: SirGeorgeBurkelwitzIII: Uchiha_Cycliste: Not really related, but I also have the GPS data showning a 24 avg over 20 miles on one particularly outstanding ride to work.

Damn dude, on the way to work? When I do that kind of ride, I'm toast. I can't imagine having to work afterwards.

Here, take a peek
http://connect.garmin.com/activity/299396750
It's really not so bad once you are used to the distance and exerting that sort of power every day. You get used to it.

Fair amount of elevation loss there. I'm guessing most of the trip is level or slightly downhill? Once you get strength up and the right bike 25 mph is easy on level or slight down grade.


nope. Totally flat (all essentially at sea/bay level).  click the link if you are skeptical =P. But you are right a little downhill makes speed a lot easier
 
2013-08-23 10:32:06 AM

for good or for awesome: FTFA  Although the world record for the fastest bike ride was set in 1995 by, who reached 167 mph,

The hell?


pretty sure he had a very steep hill to help with the speed
 
2013-08-23 10:32:44 AM
"It's about British engineering, it's about backyard engineering," Donhou explains.

not with my balls at that speed, it isn't going to be.
I'll trust japs with my nads at that speed.
 
2013-08-23 10:32:58 AM
you mean... here comes the coyote with a rocket on his back.
 
2013-08-23 10:34:31 AM

imfallen_angel: the question is... how many have speedometers on their bikes so that they can wow and amaze us.


I have one on my bike. It also pegs the maximum speed you have gone. For me, I have hit a top ever speed of 30 MPH on it. That was not really trying to reach a maximum speed, that is just what it happens to be.
 
2013-08-23 10:34:46 AM

serial_crusher: "you'd be pushing it to hit 25 mph on a normal bike"
speak for yourself lady.  That's my cruising speed.


Indeed. I hit 50 mph coming down a 4:1 grade on the north side of something called the Kirkstone Pass in northern England. I've never done so again and have to wonder if I'd be lucky enough to survive it. The wobble on a stock road bike was appalling and I pretty well fried my pads.
 
2013-08-23 10:36:21 AM

fireclown: I know I'm going to regret this, but WTF is "strava"?

SirGeorgeBurkelwitzIII: Damn dude, on the way to work? When I do that kind of ride, I'm toast. I can't imagine having to work afterwards.

Depending on terrain, 20 is totally doable.  My bike commute is pretty damned hilly, and I average 17 - 18 without any issues.  A flat ride is a good deal faster: when I rode in FLA I'm pretty sure we were up to 22 by the time we left the parking lot.

/fwiw


Averaging 20 is easy, averaging 24 is an entirely different ballpark. Depending on the terrain, of course. And the wind.
 
2013-08-23 10:37:10 AM

zez: Pretty impressed he could get started with that gearing, even if he was riding in a pocket the entire time.

Fastest I've ever gone for a distance is 54 down a hill, it's kinda zen until you have to turn or slow down.


This. The final straightaway was beautiful, particularly as I emerged from cloud and rain into sunshine and (literally) rainbows, still doing about 35-40 mph.

I smashed into a low stone wall on the next curve, but hey...
 
2013-08-23 10:37:42 AM
How about a lesson on the physics of getting sucked along behind a huge windscreen.

SHENANIGANS!

/how about I sit on the bike fully enclosed and just let the wheels touch the ground thru the floor and claim speed record?
 
2013-08-23 10:38:35 AM

imfallen_angel: the question is... how many have speedometers on their bikes so that they can wow and amaze us.


Yeah, it's all about you.  eyeroll.
 
2013-08-23 10:38:40 AM

Uchiha_Cycliste: Intrepid00: Uchiha_Cycliste: SirGeorgeBurkelwitzIII: Uchiha_Cycliste: Not really related, but I also have the GPS data showning a 24 avg over 20 miles on one particularly outstanding ride to work.

Damn dude, on the way to work? When I do that kind of ride, I'm toast. I can't imagine having to work afterwards.

Here, take a peek
http://connect.garmin.com/activity/299396750
It's really not so bad once you are used to the distance and exerting that sort of power every day. You get used to it.

Fair amount of elevation loss there. I'm guessing most of the trip is level or slightly downhill? Once you get strength up and the right bike 25 mph is easy on level or slight down grade.

nope. Totally flat (all essentially at sea/bay level).  click the link if you are skeptical =P. But you are right a little downhill makes speed a lot easier


I wish my ride was totally flat to work. It is pretty close in some parts but if I have a totally flat ride I could easily ride with traffic.

Certain roads around here though I can easily do the speed limit and actually have the car in front of me prevent me from going faster than the 25 speed limit.
 
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