Too much power?
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Too much power?
Postby Nate » Mon Mar 12, 2012 8:16 pm
[youtube]http://www.youtube.com/watch?v=sMUq70oK ... ature=plcp[/youtube]
[youtube]http://www.youtube.com/watch?v=rCD4Z-Dc ... ature=plcp[/youtube]
SOOO close to going down... no damage done, managed to keep it up...
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Re: Too much power?
Postby Nobody » Mon Mar 12, 2012 8:24 pm
You broke a steel spindle. Sogood will be pleased...
What model was it?
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Re: Too much power?
Postby toolonglegs » Mon Mar 12, 2012 8:24 pm
Post a picture with correct exposure .
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Re: Too much power?
Postby Nobody » Mon Mar 12, 2012 8:35 pm
Also how many Kms on the BB?
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Re: Too much power?
Postby Parrott » Mon Mar 12, 2012 8:56 pm
Stop looking for excuses and mitigating factors. Everyone knows steel is prone to failure at anytime and often catastrophically without warning Next thing you'l be having us believe Brooks Saddles are comfortableNobody wrote:Nate, you're a heavier rider, aren't you?
Also how many Kms on the BB?
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Re: Too much power?
Postby wombatK » Mon Mar 12, 2012 9:05 pm
Was it a one-legged pedal the rest of the way home ? Have seen a disabled guy doing this around the flats at Kyeemagh/Wolli Creek, can we assume a fit and able Nate would have pedaled it home ?
Cheers
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Re: Too much power?
Postby Nate » Mon Mar 12, 2012 9:11 pm
It was a $300 cell single speed... had about 1000-1500k's i guess? weekly commuter 100k's a week & i treat it with respect.
The stock plastic pedals normally take 2 weeks to crack
Its a cheap POS bike, but i'm starting to call "not fit for purpose"...
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Re: Too much power?
Postby il padrone » Mon Mar 12, 2012 9:15 pm
"An unjustified and unethical imposition on a healthy activity."
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Re: Too much power?
Postby sogood » Mon Mar 12, 2012 9:27 pm
+1!Parrott wrote:Stop looking for excuses and mitigating factors. Everyone knows steel is prone to failure at anytime and often catastrophically without warning Next thing you'l be having us believe Brooks Saddles are comfortable
Seriously, glad you (Nate) weren't hurt. Congratulations on joining TLL on the high altar! But your spectacular "show-off" in front of the bus shelter crowd made me a tad suspicious.
RK wrote:And that is Wikipedia - I can write my own definition.
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Re: Too much power?
Postby trailgumby » Mon Mar 12, 2012 9:40 pm
Not good after such a short distance. No odd noies or creaking before the failure?
Good save and glad there was nothing behind you!
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Re: Too much power?
Postby sogood » Mon Mar 12, 2012 10:07 pm
RK wrote:And that is Wikipedia - I can write my own definition.
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Re: Too much power?
Postby Nobody » Mon Mar 12, 2012 10:18 pm
Yes, very funny. And of course I have an excuse. I don't defend all steel. You can make anything substandard for strength and durability, even in steel. Cell seem to have a history of "good value" bikes that fail when used as commuters. Eg:sogood wrote:+1!Parrott wrote:Stop looking for excuses and mitigating factors. Everyone knows steel is prone to failure at anytime and often catastrophically without warning Next thing you'l be having us believe Brooks Saddles are comfortable
http://www.bicycles.net.au/forums/viewt ... 12&t=17764
http://www.bicycles.net.au/forums/viewt ... 41&t=17766
I suppose if you scape the bottom of the barrel for parts, you are going to get some failures long term.
It looks like the crack was propagating under the crank. To me, that is the most dangerous type of fault as you can't see the crack forming. Steerers have the same problem.
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Re: Too much power?
Postby m@ » Tue Mar 13, 2012 9:26 am
Yes, they had a couple of dodgy batches of handlebars and steerers - 'bars were recalled (my bike - and Nate's roadie IIRC - were affected). I notice that they've ditched that manufacturer (Zoom) in favour of FSA on at least some bikes.Nobody wrote:Thanks Nate for the reply.
Yes, very funny. And of course I have an excuse. I don't defend all steel. You can make anything substandard for strength and durability, even in steel. Cell seem to have a history of "good value" bikes that fail when used as commuters. Eg:sogood wrote:+1!Parrott wrote:Stop looking for excuses and mitigating factors. Everyone knows steel is prone to failure at anytime and often catastrophically without warning Next thing you'l be having us believe Brooks Saddles are comfortable
http://www.bicycles.net.au/forums/viewt ... 12&t=17764
http://www.bicycles.net.au/forums/viewt ... 41&t=17766
I suppose if you scape the bottom of the barrel for parts, you are going to get some failures long term.
It looks like the crack was propagating under the crank. To me, that is the most dangerous type of fault as you can't see the crack forming. Steerers have the same problem.
Nate, you should've converted the Team to SS!
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Re: Too much power?
Postby Old and Rusty » Tue Mar 13, 2012 9:52 am
2011 Jamis Ventura Elite
2011 Pinarello FPQ
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Re: Too much power?
Postby familyguy » Tue Mar 13, 2012 10:05 am
Jim
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Re: Too much power?
Postby twizzle » Tue Mar 13, 2012 10:10 am
When you have a fatigue crack, the polished area is where the parts have been moving relative to each other and is the first bit that has let go, the crystalline surfaces mark where the last bit let go.trailgumby wrote:That's a fatigue crack, except for the shiny bit down the bottom, which was the last bit to let go.
Not good after such a short distance. No odd noies or creaking before the failure?
Good save and glad there was nothing behind you!
...real cyclists don't have squeaky chains...
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Re: Too much power?
Postby human909 » Tue Mar 13, 2012 10:49 am
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Re: Too much power?
Postby Baalzamon » Tue Mar 13, 2012 10:53 am
Glad you pulled up safe from that one Nate and managed to stay upright. It's not the crank that broke, it's the BB axle that broke.human909 wrote:It doesn't matter how cheap the bike is . The fact is that a crank breaking is an unacceptable safety issue. Bike stores need to wake up to this because ultimately they bear the risk.
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Re: Too much power?
Postby norbs » Tue Mar 13, 2012 11:36 am
Nate wrote:92kgs...
It was a $300 cell single speed... had about 1000-1500k's i guess? weekly commuter 100k's a week & i treat it with respect.
The stock plastic pedals normally take 2 weeks to crack
Its a cheap POS bike, but i'm starting to call "not fit for purpose"...
Wow, I think we had those tiles in our old bathroom!
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Re: Too much power?
Postby philip » Tue Mar 13, 2012 12:24 pm
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Re: Too much power?
Postby trailgumby » Tue Mar 13, 2012 12:34 pm
Sorry, yes you're quite right and I got that arse-about.twizzle wrote:When you have a fatigue crack, the polished area is where the parts have been moving relative to each other and is the first bit that has let go, the crystalline surfaces mark where the last bit let go.trailgumby wrote:That's a fatigue crack, except for the shiny bit down the bottom, which was the last bit to let go.
Not good after such a short distance. No odd noies or creaking before the failure?
Good save and glad there was nothing behind you!
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Re: Too much power?
Postby rkelsen » Tue Mar 13, 2012 12:37 pm
I think you're right. That is really poor and disappointing component life. I'd take it back to Cell and see if they'll fix it under warranty.Nate wrote:Its a cheap POS bike, but i'm starting to call "not fit for purpose"...
My cheapo commuter still has its original plastic pedals after 14 months and >10,000km... I'm heavier than you (and a masher).Nate wrote:The stock plastic pedals normally take 2 weeks to crack
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Re: Too much power?
Postby Parrott » Tue Mar 13, 2012 3:59 pm
We had that carpet like that in the house we just sold. Good hard wearing stuff, just used to pill a fair bitnorbs wrote:
Wow, I think we had those tiles in our old bathroom!
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Re: Too much power?
Postby sogood » Tue Mar 13, 2012 4:58 pm
Yes, steel explodes!human909 wrote:It doesn't matter how cheap the bike is . The fact is that a crank breaking is an unacceptable safety issue...
RK wrote:And that is Wikipedia - I can write my own definition.
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Re: Too much power?
Postby sogood » Tue Mar 13, 2012 5:00 pm
Nate clearly has enough power but may get a muscular imbalance with too much one legged training.philip wrote:Did you pedal the rest of the way home one legged?
RK wrote:And that is Wikipedia - I can write my own definition.
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