Expected lifespan
10-29-04 | 07:08 AM
#26
Former Hoarder
Joined: Jan 2004
Posts: 11,734
Likes: 9
From: Portland & Yachats, OR
Bikes: Steve Rex, Seven Axiom, Felt Z1, Dave Moulton Fuso
Originally Posted by rockmuncher
My old steelo is 22 this year and has done 80000+ miles in training, racing, commuting, sitting in the garage.
1. You've averaged 75 miles per week for 22 years on you "old steelo" or you ride 15-20000 km per year as stated in the original post. Either way, how come you appear to be clueless about how long a bike should last?
2. If you've been riding and racing that much for that long, why do you still need to lose weight?
Sorry, no PC here either.
55/Rad
__________________
10-29-04 | 07:49 AM
#27
Aluminium Crusader :-)
Joined: Apr 2004
Posts: 10,050
Likes: 11
From: Melbourne, Australia
Originally Posted by rockmuncher
I have 36 spokes of heaviest guage swiss on each wheel. No flex. Trued rear wheel once only EVER.
I can put my foot on the bottom brack and move the frame at least 1" with little effort. I can also swivel the handlebars (ie. gooseneck play) 2" WITHOUT HOLDING THE FRONT WHEEL BETWEEN MY KNEES!!!!
Fatigue exists. It develops over time regardless of technology. Welcome to entropy.
I can put my foot on the bottom brack and move the frame at least 1" with little effort. I can also swivel the handlebars (ie. gooseneck play) 2" WITHOUT HOLDING THE FRONT WHEEL BETWEEN MY KNEES!!!!
Fatigue exists. It develops over time regardless of technology. Welcome to entropy.
-- not from me, I'mtoo lazy
Last edited by 531Aussie; 10-29-04 at 08:05 AM.
10-29-04 | 08:04 AM
#28
Aluminium Crusader :-)
Joined: Apr 2004
Posts: 10,050
Likes: 11
From: Melbourne, Australia
Originally Posted by rockmuncher
I have 36 spokes of heaviest guage swiss on each wheel. No flex. Trued rear wheel once only EVER..
the wheel going much out of true because they all stretch roughly the same amount.
If you like stiff wheels, I recommend checking the tension every now and then.
On the frame "softening" thing, from what I've read over the years, frames only lose
a tiny bit of rigidity right before they break.
Although fatigue may be occurring over time, there is no measurable or discernable
loss of rigidity until failure is imminent.
https://www.efbe.de/etou1098.htm
Originally Posted by Thylacine
Frames do not 'become mushy' or 'fatigue out'....well, they do 5 seconds before they snap, but thats different
.Last edited by 531Aussie; 10-29-04 at 08:21 PM.
10-30-04 | 05:05 AM
#29
Thread Starter
Senior Member
Joined: Oct 2004
Posts: 1,499
Likes: 0
Originally Posted by 55/Rad
Couple things I don't understand.
blah blah blah blah blah
Sorry, no PC here either.
55/Rad
blah blah blah blah blah
Sorry, no PC here either.
55/Rad
I've been off the bike for the last 6 years after inspecting the underside of an 18 wheeler whilst it was in motion. Not a recommended hobby. Beer+notraining+bad diet=weight.
Back in training. Current and future program is 15-20000 km per year.
Clueless because all the technology is different. I don't trust carbon, and with my new bike weighing about 1/3 of the old crate I'm suspicious. They've got to have made some compromises somewhere, surely.
10-30-04 | 05:09 AM
#30
Thread Starter
Senior Member
Joined: Oct 2004
Posts: 1,499
Likes: 0
Originally Posted by 531Aussie
On the frame "softening" thing, from what I've read over the years, frames only lose
a tiny bit of rigidity right before they break.
Although fatigue may be occurring over time, there is no measurable or discernable
loss of rigidity until failure is imminent.
a tiny bit of rigidity right before they break.
Although fatigue may be occurring over time, there is no measurable or discernable
loss of rigidity until failure is imminent.
The old bike has measureable and discernable loss of rigidity, so I must deduce from your comments that it is about to break. Thanks for the warning
