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#321
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"Actually you are the first person to bring up this issue"
Tom C Medara writes:
As I said, it's the "over the top" effect that limits braking. Most road riders do not brake near that limit so it isn't a parameter. Isn't that an inherent design flaw? Perhaps we should refer to it as the OTB force from this point on and ask ourselves why the manufacturers continue to market such a product. And why hasn't the CPSC stepped in? Just wondering.... The hell you say! Maybe bicycles should be banned because you can fall over if you stop and don't put your foot down... on the side to which the bicycle leans. Coming up with such remarks makes me doubt that there is anything more behind much of this "there is no problem" talk than a desire to be contra. Either that or it is a defense of having bought a disc brake bicycle and making a defense of how good a decision that was. Other than something on that vein, I don't see why all this ad hominem is crudely rising against the concept that current disc brakes pose a hazard and one that could be easily fixed. Jobst Brandt |
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#322
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"Actually you are the first person to bring up this issue"
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#324
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"Actually you are the first person to bring up this issue"
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#325
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"Actually you are the first person to bring up this issue"
Jobst says:
people talk of hanging off the back of the saddle to achieve a lower center of gravity, Nothing to do with lowering the CG, rather moving it aft to increase the "rider-to-pivot-point" lever arm, thus making it harder to endo. Admittedly, the CG does get lowered a little, but it's really about shifting weight backwards. Steve |
#326
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"Actually you are the first person to bring up this issue"
If you want to experience real stopping capability, try a tadpole (2
wheels in front ) recumbent trike with disc brakes on both front wheels and a low center of gravity. Edd |
#327
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"Actually you are the first person to bring up this issue"
Mark Thompson writes:
perhaps pumice or slickrock might equal or exceed cement pavement. ahem pavement? :-) Hmm. Some attempt at humor that's escaping the American? :-) |
#328
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"Actually you are the first person to bring up this issue"
Edd Brady wrote:
If you want to experience real stopping capability, try a tadpole (2 wheels in front ) recumbent trike with disc brakes on both front wheels and a low center of gravity. Subjectively the stopping power of the trike will seem less effective than it really is, since the rider braces against deceleration with the (much stronger) legs rather than the (much weaker) arms. It is also less exciting, since locking up a wheel is not usually a problem as far as balance or directional control is concerned. -- Tom Sherman - Blue Earth Cycles Dragonflyer http://www.ihpva.org/incoming/2002/df1a.jpg |
#329
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"Actually you are the first person to bring up this issue"
Tom Sherman wrote:
Edd Brady wrote: If you want to experience real stopping capability, try a tadpole (2 wheels in front ) recumbent trike with disc brakes on both front wheels and a low center of gravity. Subjectively the stopping power of the trike will seem less effective than it really is, since the rider braces against deceleration with the (much stronger) legs rather than the (much weaker) arms. It is also less exciting, since locking up a wheel is not usually a problem as far as balance or directional control is concerned. You could make it quite exciting by locking your brakes and launching yourself forwards into an upright position to continue on foot. -- R. Richard Brockie "Categorical statements The tall blond one. always cause trouble." |
#330
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"Actually you are the first person to bring up this issue"
"Benjamin Lewis" wrote in message ... Anonymous "expert" snipes again: On Fri, 26 Mar 2004 10:33:52 -0800, Benjamin Lewis wrote: - loose surfaces don't lend themselves well to hard front braking. (I suppose this holds for most mountain biking though.) - you can't brake as hard going downhill before lifting your rear wheel (maybe this isn't true; that's just my immediate intuition). Sorry, but you're way out. Well, I'm sorry too, but just telling me I'm wrong without attempting to explain why is hardly likely to convince me. Sorry, I hadn't realise we were trying to convince you of anything. I figured a certain amount of humility on your part would prevail when discussing a subject, of which you have little/no experience, with a group that has it by the bucketload. Give me a break. Even if I knew you, considered you an expert, and respected your opinions, if you disagreed with me I would expect you to tell me why. Just saying "sorry, you're wrong" is useful to nobody. As it is, you're just an anonymous poster on usenet. I never even insisted my first intuitions were correct, I just said, in effect, "this is what I would have expected, for these reasons". If you want me to blindly believe *your* statements, just because you claim to be from "a group with lots of experience", you've got a long wait ahead of you. The only person yet to have offered a reasonable explanation why instantaneous braking forces can be higher on DH runs is Jobst Brandt, elsewhere in this thread. Ah, yes, Jobst Brandt, that paragon of off-road downhilling. Greg |
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