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What's your fastest speed on a Downhill

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What's your fastest speed on a Downhill

Old 05-22-02, 08:36 PM
  #51  
cyclezealot
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Fastest I ever recall- about 46 mph. Ever really look at the ground below at that speed? Lately sit up and brake some. Like to keep it under 40, at least.
GMason Climbing Mt. Ventoux. Try climb and decent from Sault to the east. Least grade. Not really that bad- particularily if you like a controlled decent. The apporach from the west Vaison-La- Romain- just looking that grade gave me the creeps. Has to be over 12%. Probably 15 % plus.. Going down that- can't imagine. The east approach is the longest, but most comfortable. Thats what I did and don't regret being a woos...
Oh yes, GMason.. In French Ventoux is a part of the root word for 'wind.' The mountain certainly is windy. I do not like that on fast decents.

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Old 05-23-02, 12:48 AM
  #52  
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I've documented 63 mph downhill on pavement, 38 on the flat, (with a slight headwind) also on pavement and 58 downhill on dirt.

I've probably gone faster downhill and I know I've sprinted faster, before computers I was stronger and crazier!


Ride Fast
Pat
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Old 05-23-02, 06:47 PM
  #53  
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Like B_rider on Pilot Mound but on ragbria 89. 54 MPH with chest on bar for a good areo tuck. If you have ridden motorcycle over 100 mph this does not seem so fast. May go back to Pilot Mound ( only 40 miles away) and try for 60!
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Old 05-23-02, 08:47 PM
  #54  
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52 MPH coming down a hill into Wilmington Vt. with a side wind blowing me into the oncoming lane. It was a lesson I never will forget. What do they call that? The pucker factor
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Old 05-23-02, 09:32 PM
  #55  
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Originally posted by Rich Clark
Yes, and I calculate that I'd rather not have a front tire blowout at 40mph.
Ahhh, you're just getting OLD, Rich!

A good trend!

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Old 05-24-02, 08:29 AM
  #56  
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Originally posted by LittleBigMan

Ahhh, you're just getting OLD, Rich!
Once, a long time ago, I was a folksinger and travelled the country in a VW bus with my singing partner, playing in coffeehouses and church basements and festivals. My bike (it was mishmosh of used parts hung on a refurbished Raleigh frame, spraypainted black) traveled in the van with us.

Once we were heading from Gatlinburg to Indianapolis, coming out of the Great Smoky Mountains. I don't remember what road we were on, but I insisted on getting out and riding down it on my bike. This would have been something like 1969, and of course I was just riding in jeans and (probably cowboy boots, come to think of it) and t-shirt, long hair flying in the breeze, unfettered by helmet or anything else.

I don't remember how fast Art, my partner (older and wiser than I), later said he clocked me at. At one point he passed me and tried to slow me down from in front, fearing for my safety. But it was fast.

What I keep with me from that experience is not the exhilaration and adrenaline rush I felt at the time. That was of the moment, and transitory.

No, what sticks is how incredibly stupid it's possible to be, especially when you're young, and how strong the delusion of immortality can be. The value and fragility of life is not something you can teach; it's something you have to learn, and unfortunately for most of us, we only learn it by living.

So yes, getting older is a good thing... if you live to tell about it!

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Old 05-24-02, 09:23 AM
  #57  
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Rock and roll Rich, live fast die happy.
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Old 08-22-02, 10:38 PM
  #58  
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I hit 43 mph today coming down Kanan road outside LA. I hope to hit 50 someday. Funny, I'm not normally that big on speed, but I'm finding that going fast on my road bike can be quite exhilarating. I could be in big trouble......
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Old 08-23-02, 12:42 AM
  #59  
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12 years ago I hit 91km/h on a tandem on a long wet decent. I am glad I am older now, so that I can see just how foolish that was.
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Old 08-23-02, 01:30 AM
  #60  
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39mph on an MTB with semi-slicks (on-road).

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Old 08-23-02, 08:04 AM
  #61  
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Horseshoe Pass

My fastest is 56.4mph down the Horseshoe Pass, near Llangollen in North Wales.
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Old 08-23-02, 08:49 AM
  #62  
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I hit 44 mph on the hills in N.E. Iowa during RAGBRAI. I love the rush. The funny part of the story was that it was past a cop sitting at the bottom of the hill. I felt as though he was gonna pull me over or something. You know the feeling, something this much fun must be illegal!!

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Old 08-23-02, 10:57 AM
  #63  
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I've hit 55MPH on my roadbike on pavement on a long 10% downhill. It was scary. I felt like I was riding on ice. Curiously enough I'm fairly comofrtable with speed up to about 50MPH but beyond that I get exponentially more skittish. And no I am not staring at the computer. I only knew how fast I was going after the fact by checking the max speed.

I've talked to people claiming to have done 60MPH on the flats by drafting trucks (yes, like in Breaking Away). I've never done it myself but they claim that once you get in the suck-zone you can just cruise along at speed.
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Old 08-23-02, 12:29 PM
  #64  
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Certain degree of truth there. I once had a very good experience at the start of the annual Liverpool -> Scarborough Coast to Coast Ride. (170 miles). The ride started off near Liverpool docks, after a few miles we caught a grain lorry at some traffic lights. We stayed in it's slipstream as far as Preston which is about 30 miles. We had spells of 45mph and actually climbed a 10% hill at about 25mph. We completed the actual 170miles at an average of 19mph
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Old 08-23-02, 12:36 PM
  #65  
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Originally posted by Campag Fetish Boy
The ride started off near Liverpool docks, after a few miles we caught a grain lorry at some traffic lights. We stayed in it's slipstream as far as Preston which is about 30 miles.
I've also heard from fellow cyclists that they're kinda disappointed in the crop of newer more aerodynamic vehicles because the airflow is more laminar off the back and doesn't make a nice suck-zone.
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Old 08-23-02, 04:33 PM
  #66  
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I tend to tweak the brakes rather than spin at speeds above 30 mph. Someday I may go faster, but right now I'm still a bit timid. At 50 years of age, I tend to think of myself as a little less durable than I was at 20.

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Old 08-23-02, 08:47 PM
  #67  
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When I was about 16 I think I touched 50 mph with my sister on a tandem. At least thats where the stop on the speedometer was. It was going down Redhill on the A38 West of Bristol. I thought about the consequences of getting a front flat when we were at max speed but as the speed dropped off the enjoyment soared.
On the subject of wheels overheating due to braking. I believe it is best to let the bike roll as fast as you can, and just brake hard at the end, rather than applying the brakes gently all the way down. That way most of the energy you had at the top of the hill is dissipated by wind drag on the way down, and doesnt go into heating up the rims.
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Old 08-25-02, 04:01 PM
  #68  
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Originally posted by khuon
I've hit 55MPH on my roadbike on pavement on a long 10% downhill.
Well... I've apparently just gotten my new best speed on a downhill. |8^) On a serious note, anyone know what might have caused this? I briefly glanced at the computer and saw it pushing past 40 MPH. Could passing by a ground sensor coil-loop have caused this? I know those things are basically metal detectors and most metal detectors measure an induced response to a pulsed magnetic field.
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Old 08-25-02, 04:39 PM
  #69  
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Crashed at 30 mph, not even trying to go fast, broke my jaw, my back, my nose, my teeth.

I was lucky I can walk, and I ride my bike again. And had more luck, I had insurance, $125,000 for the 4 operations and weeks in the hospital. Now the fun of all the dental expense, another $12-15,000, still working on the teeth...

If you wish to be a bullet, be WARNED! So now I go slow, have only went as fast as 27 mph. Reliving the pain and mental trauma is nothing I wish to repeat, or wish on any other.

Be safe, one small dip in the road can send you flying.

Happy Spinning

Annie:fun:
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Old 08-26-02, 12:15 PM
  #70  
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Originally posted by AnnieYak
Crashed at 30 mph, not even trying to go fast, broke my jaw, my back, my nose, my teeth.
That sounds like a very bad crash . Good you are ok.

--

My fastest was 77kph on a 10% descent in Spain three years ago.

Last year, I averaged about 70kph for the straight 5k stretch of 11% down the east side of Passo Fedaia. I topped out at 75kph, but then the adrenaline made me shake and I had to slow down a bit. I try not to think of what would happen if I crash at those speeds.

/Csson
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Old 08-26-02, 12:54 PM
  #71  
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253 km/h!!!

On a bike without an engine - 70 km/h

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Old 08-26-02, 01:28 PM
  #72  
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Wow. Reading all of this, I have to admit that I'm a pansy. I'll be purchasing a set of peach panties later on today. Top speed I've hit is 39mph (62kph), but I've never had a chance to do some serious climbing, either.
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Old 08-26-02, 03:05 PM
  #73  
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63mph in the hills of western New Jersey. Long, long down hill with a steep top no turns and nice gradual up hill grade at the end perfect speed test.

I was 19, stupid and bullet proof at the time. No helmet either. WOW, what an ass!!

I actually passed a car. The speed limit was 45 mph.
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Old 08-26-02, 03:09 PM
  #74  
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I hope you wear your helmet now!! and know where the brakes are... when one gets older... one gets wiser.... at least that is my take on life

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Old 08-26-02, 03:23 PM
  #75  
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Originally posted by AnnieYak
I hope you wear your helmet now!! and know where the brakes are... when one gets older... one gets wiser.... at least that is my take on life
I remember as a kid riding my Huffy "mountain bike" down some pretty steep hills.... with dodgy brakes, dodgy rims, probably suspect welds... and no helmet. I don't know how fast I ever got going (no computer) but I was passing cars and the speed limit was 40MPH. I also remember arguing with my parents about buying me a helmet. They didn't think I needed one... "Why? You're not racing." I eventually saved up enough money on my own to get one a Bell something-other styrofoam lid with the removable lycra cover. I sure hope that general attitudes about cycing have changed nowadays but all indications seem to point to most people in the USA viewing bicycles as toys and not even serious ones at that.
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