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Carbon fiber bike life span

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Carbon fiber bike life span

Old 12-15-22, 07:35 AM
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Originally Posted by Lombard
That was until the mid-1970's when the Cougar wandered off and became the Mercury version of the Torino/Gran Torino, LTD and eventually the Thunderbird in the late 1970's during the "glamour coupe" era.


;
Thosr are some cars that are best forgotten…
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Old 12-15-22, 01:25 PM
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Originally Posted by Chandne
Possible. They do it using heat or chemicals. Some companies are now developing a more easily dissolvable resin that is even reusable. Let's just hope it isn't dissolvable in rain.
I'm sure many carbon bikes have been in the rain and haven't dissolved.
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Old 12-15-22, 01:29 PM
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Originally Posted by Koyote
Those are some cars that are best forgotten…
Agreed. IMO, the mid to late 1970's was a dark period in automotive history. Some of the fugliest cars ever.
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Old 12-15-22, 01:30 PM
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Originally Posted by Lombard
Agreed. IMO, the mid to late 1970's was a dark period in automotive history. Some of the fugliest cars ever.
Yeah, not just ugly -- they were also unreliable and terrible to drive. I learned on some of those godawful machines. Fortunately, we also had a '65 Mustang kicking around the family, and I got to drive that sometimes.
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Old 12-15-22, 01:40 PM
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Originally Posted by Koyote
Yeah, not just ugly -- they were also unreliable and terrible to drive.
This too. One of the most recalled vehicles in automotive history was the 1978-1980 (Third generation) Monte Carlo and its Pontiac, Buick and Oldsmobile clones. Only to be outdone by the Chevy Citation and Pontiac Phoenix in the recall category as well as horrible drivability and reliability. Is it any wonder GM's world market share dropped from over 50% to under 30% by the mid-1980's.
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Old 12-17-22, 07:49 PM
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Originally Posted by Lombard
I'm sure many carbon bikes have been in the rain and haven't dissolved.
So you say. I never take my carbon fiber bike in the rain or the sun either (you know, UV)
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Old 12-17-22, 07:50 PM
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Originally Posted by Lombard
This too. One of the most recalled vehicles in automotive history was the 1978-1980 (Third generation) Monte Carlo and its Pontiac, Buick and Oldsmobile clones. Only to be outdone by the Chevy Citation and Pontiac Phoenix in the recall category as well as horrible drivability and reliability. Is it any wonder GM's world market share dropped from over 50% to under 30% by the mid-1980's.
What? No MoPar K cars on that list?
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Old 12-17-22, 07:58 PM
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Originally Posted by Camilo
What? No MoPar K cars on that list?
While the Chrysler K-cars were quite crude and boring compared to their Japanese counterparts, they were nowhere near the train wreck that the GM X-cars were.
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Old 12-25-22, 02:24 PM
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I don't think I've ever seen a carbon frame that stress cracked from use. I've seen a lot of steel bikes that have.

Most of the dead CF frames I've seen were either impacts, failures of small parts or galvanic corrosion where aluminum lugs or cable stops rotted out the bond.

I would expect a bike like a Calfee Luna to last essentially forever.
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Old 12-31-22, 08:27 PM
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Originally Posted by Koyote
Thosr are some cars that are best forgotten…
I HOPE you are not including the AMC Pacer and Hornet. Then there is Subaru Tribeca and Pontiac Aztec. Not to be confused with the AMC AMX.
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Old 12-31-22, 11:01 PM
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Originally Posted by rsbob
I HOPE you are not including the AMC Pacer and Hornet. Then there is Subaru Tribeca and Pontiac Aztec. Not to be confused with the AMC AMX.
The Subaru Tribeca has been reincarnated as the Subaru Ascent. Vehicle isn't much different.
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Old 12-31-22, 11:13 PM
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Originally Posted by rsbob
I HOPE you are not including the AMC Pacer and Hornet. Then there is Subaru Tribeca and Pontiac Aztec. Not to be confused with the AMC AMX.
The Tribeca and Aztek were definitely not made in the ‘70s.
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Old 12-31-22, 11:40 PM
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Originally Posted by Koyote
The Tribeca and Aztek were definitely not made in the ‘70s.
Such a stickler.
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Old 01-01-23, 08:43 AM
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Originally Posted by rsbob
I HOPE you are not including the AMC Pacer and Hornet.
And then there was the Gremlin which was basically a Hornet with the arse end chopped off.

AMC certainly had some badly designed cars that drove like cr@p. However, they were actually comparatively reliable (for 1970's American cars) and cheap and easy to repair when the did break.
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Old 01-06-23, 10:48 AM
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Why not write directly to bike manufacturers who make CF bikes, like 3T for example and ask them for their data rather than internet speculation...
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Old 01-06-23, 11:00 AM
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Perhaps another question would be if this threads lifespan will be longer than the lifespan of a Carbon bicycle.
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Old 01-06-23, 09:16 PM
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Originally Posted by Atlas Shrugged
Perhaps another question would be if this threads lifespan will be longer than the lifespan of a Carbon bicycle.
This thread assploded long ago.
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Old 01-07-23, 12:53 PM
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Originally Posted by Fox Farm
Why not write directly to bike manufacturers who make CF bikes, like 3T for example and ask them for their data rather than internet speculation...
If you believe the entire world is in on a Big Bike conspiracy to make people buy dangerous frames and brakes, what would you expect 3T to say?
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Old 01-07-23, 02:57 PM
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Just changing the subject back to the original question :
My Trek 2300 from '92 or '93 (?) see's well over 1000 miles per year on NYC streets.
It also gets a ****-ton of lock-up time outside while I shop or eat & drink or look-it stuff inside.
I am not easy on this bike and neither is anyone else, it's held up.
Thankfully, my brother handed it off to me after he had completed Paris - Brest - Paris on it
(was also shipped in a suitcase there & back from VT then )
We have put it through the test for sure.


ps. a similar 2120 I know of had a not-catastrophic metal failure, the seat-post bolt area sheered off.
Probably the binder-bolt was too tight...or aluminum shell was too weak, we fixed it with two large washers.
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Old 01-07-23, 04:35 PM
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Originally Posted by Koyote
Yeah, not just ugly -- they were also unreliable and terrible to drive. I learned on some of those godawful machines. Fortunately, we also had a '65 Mustang kicking around the family, and I got to drive that sometimes.
fortunately, there were some exceptions:


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Old 01-07-23, 04:41 PM
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Originally Posted by merlinextraligh
fortunately, there were some exceptions:


I believe Koyote was referring specifically to American cars of the 1970's.
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Old 01-07-23, 05:56 PM
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Originally Posted by Atlas Shrugged
Perhaps another question would be if this threads lifespan will be longer than the lifespan of a Carbon bicycle.
Since this has been "debated" on these internet forums since the turn of the century, I think the answer to your question is yes.
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Old 01-07-23, 06:11 PM
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Originally Posted by Lombard
And then there was case with the Chevy Corvair which was the inspiration for Ralph Nader's "Unsafe at Any Speed". The engineers at GM said that the Corvair should have a front stabilizer bar to prevent oversteer and possible rollover. Here again, the bean counters at GM didn't want to spend the small cost to make the car safe.

nothing wrong with the Corvair, if you know how to drive. Porsche has been able to use that same rear engine, flat six air cooled engine to win multiple Lemans, Sebring, and Daytona victories.

Problem is when you put a rear engined car that tends to oversteer in the hands of poor drivers who do not have even an inkling into chassis dynamics and how to actually control a vehicle.
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Old 01-07-23, 06:29 PM
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Originally Posted by merlinextraligh
nothing wrong with the Corvair, if you know how to drive. Porsche has been able to use that same rear engine, flat six air cooled engine to win multiple Lemans, Sebring, and Daytona victories.

Problem is when you put a rear engined car that tends to oversteer in the hands of poor drivers who do not have even an inkling into chassis dynamics and how to actually control a vehicle.
It wasn't the rear engine that made the Corvair unsafe. It was the rear swing axle suspension that caused the car to oversteer. And as I said, this problem could have been easily rectified with a front stabilizer bar. But the bean counters at GM decided that potential lawsuit payouts would be less than it would cost to add the stabilizer bar to the vehicles.
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Old 01-07-23, 06:34 PM
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Originally Posted by Lombard
It wasn't the rear engine that made the Corvair unsafe. It was the rear swing axle suspension that caused the car to oversteer. And as I said, this problem could have been easily rectified with a front stabilizer bar. But the bean counters at GM decided that potential lawsuit payouts would be less than it would cost to add the stabilizer bar to the vehicles.
https://www.corvair.org/index.php/ho...e-at-any-speed

or people, could learn to drive. Oversteer is a good thing if you know what you’re doing.

”Oversteer” isn’t’t somethng bad, like the car steersmore than you want. If just means at the limit, the rear tends to come out, more than the front, as opposed to under steer, where the front washes out before the rear.

Every car at the limit will either under steer or oversteer. production cars tend to be balanced to under steer because they are easier to control, particularly by drivers with no concept of chassis dynamics.

oversteer is actually a good thing if you know how to use it. The 930 turbo I posted earlier was prone to significant oversteer, Yet it’s an amazing car in the hands of someone who knew how to drive it.

So, yes the Corvair could have been designed to be more idiot proof, but was by no means unsafe in the hands of a competent driver.
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