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From: Matthew T. Russotto on 10 Jul 2008 16:07 In article <g53l6512d92(a)news2.newsguy.com>, Nate Nagel <njnagel(a)roosters.net> wrote: > >(still thinks Philthydelphia would have made a much better capital city...) Heck, no, we don't want them up here. Unless you put them across the river in Camden. And take away their bodyguards and cars. -- There's no such thing as a free lunch, but certain accounting practices can result in a fully-depreciated one.
From: Brent P on 10 Jul 2008 16:38 On 2008-07-10, Matthew T. Russotto <russotto(a)grace.speakeasy.net> wrote: > In article <g53l6512d92(a)news2.newsguy.com>, > Nate Nagel <njnagel(a)roosters.net> wrote: >> >>(still thinks Philthydelphia would have made a much better capital city...) > > Heck, no, we don't want them up here. Unless you put them across the > river in Camden. And take away their bodyguards and cars. They'll eventually move to Colorado Springs or some other secure military area in the middle of the country.
From: Brent P on 10 Jul 2008 16:59 On 2008-07-10, DanKMTB(a)gmail.com <DanKMTB(a)gmail.com> wrote: > On Jul 10, 4:35�pm, Brent P <tetraethylleadREMOVET...(a)yahoo.com> > wrote: >> As soon as you start skidding and lifting the rear wheel watch your >> stopping distances increase. > Why would the distance increase once the rear wheel is lifted? At > that point hasn't the front wheel taken any extra braking force the > rear could have applied? To put it simply and crudely, because you're not going to want to plant your face in the pavement. >> > Any takers on guessing how long it'll take me to stop from 30MPH >> > (using rim brakes, not that it's relevant) tonight? >> 60+ft based on the results I got last night if you skid/lift the rear >> wheel. > I'll be shocked if it's 60+ feet. It may be (and seems it will be) > over 30, but 60? That's 21 more than your best from 25MPH, quite an > increase. Could very well be. We'll see what I get for numbers. In > light of the new info provided by MTR, my guess is 40ft. My best was _WITHOUT_ skidding. You only need to go five feet longer for 4mph faster _WITH_ skidding. >> I was going by feel trying for the edge of lock of the rear wheel. I got >> it the first time. (I even re-measured that one) The other times I got >> lock and backed off so I wouldn't fall or skid the tread off the tire. I >> was in my normal upright riding posistion. I don't like riding in the >> drop. > Thanks for the reply. If your weight had been way back off the saddle > do you think you would have been able to stop any shorter? I haven't ridden a bicycle small enough for me to pull that trick in ages. And I couldn't get one like that up to 30mph these days either.
From: gpsman on 10 Jul 2008 17:03 On Jul 10, 4:35 pm, Brent P <tetraethylleadREMOVET...(a)yahoo.com> wrote:> > I was going by feel trying for the edge of lock of the rear wheel. <s p i t t a k e> The rear tire offers little if any braking, Sparky. For all practical purposes it does not exist since it won't be in contact during maximum braking. > The other times I got > lock and backed off so I wouldn't fall or skid the tread off the tire. It probably hasn't occurred to you that you don't know how to ride a bike. > I > was in my normal upright riding posistion. I don't like riding in the > drop. CG has to be low and rearward for maximum braking effect. You couldn't more obviously have less of a clue how to ride or stop a bike. ----- - gpsman
From: DanKMTB on 10 Jul 2008 17:11
On Jul 10, 4:59 pm, Brent P <tetraethylleadREMOVET...(a)yahoo.com> wrote: > On 2008-07-10, DanK...(a)gmail.com <DanK...(a)gmail.com> wrote: > > > On Jul 10, 4:35 pm, Brent P <tetraethylleadREMOVET...(a)yahoo.com> > > wrote: > >> As soon as you start skidding and lifting the rear wheel watch your > >> stopping distances increase. > > Why would the distance increase once the rear wheel is lifted? At > > that point hasn't the front wheel taken any extra braking force the > > rear could have applied? > > To put it simply and crudely, because you're not going to want to plant > your face in the pavement. I am of the impression you've achieved maximum braking when you've fully unweighted the rear tire. I can comfortable stop on the front wheel alone, rear wheel hovering. > >> > Any takers on guessing how long it'll take me to stop from 30MPH > >> > (using rim brakes, not that it's relevant) tonight? > >> 60+ft based on the results I got last night if you skid/lift the rear > >> wheel. > > I'll be shocked if it's 60+ feet. It may be (and seems it will be) > > over 30, but 60? That's 21 more than your best from 25MPH, quite an > > increase. Could very well be. We'll see what I get for numbers. In > > light of the new info provided by MTR, my guess is 40ft. > > My best was _WITHOUT_ skidding. You only need to go five feet longer for > 4mph faster _WITH_ skidding. Where did skidding come into play? I don't even intend to touch my rear brakes, much less skid. > >> I was going by feel trying for the edge of lock of the rear wheel. I got > >> it the first time. (I even re-measured that one) The other times I got > >> lock and backed off so I wouldn't fall or skid the tread off the tire. I > >> was in my normal upright riding posistion. I don't like riding in the > >> drop. > > Thanks for the reply. If your weight had been way back off the saddle > > do you think you would have been able to stop any shorter? > > I haven't ridden a bicycle small enough for me to pull that trick in > ages. And I couldn't get one like that up to 30mph these days either. Think mountain bike. I still have a BMX, however, and I think it tops out right around 30mph. Not much of a stopper though, being rear- brake only. |