Peter Dickerson <first{dot}surname@tesco.net> wrote:
> > Hmm, let's see: 120 mph, that's 193 km/h. Granted, my own car can't
> > do that. But you'll have to believe me when I tell you that driving
> > 100 mph on the Autobahn, which it can do, I still get overtaken by
> > *much* faster cars, about once every 5 minutes.
> But thats not comparable to walking a mile, where you start from
> stopped and finish stopped.
Suffice it to say that nobody said anything about starting, much less
about stopping at rest. I mean, come on, since when are 100 meter
sprinters required to reach the finish line standing still?
> The car has to *average* 120 mph, which means peaking at 240 mph to
> minimize acceleration - you only need 0 to 240 mph in 15 seconds and
> some damn good brakes!
Actually, the challenge on the engine would be harder --- brakes
routinely achieve higher absolute accelerations than engines. That's
apparently even a requirement for getting a vehicle approved for use
on public roads, because it means you can always achieve the safe
state even if something goes horribly wrong in engine control, just by
stomping on the brakes _real_ hard.
--
Hans-Bernhard Broeker (broeker@physik.rwth-aachen.de)
Even if all the snow were burnt, ashes would remain.
Why write cycle time of EEPROM is high?
Started by ●July 13, 2006
Reply by ●July 16, 20062006-07-16
Reply by ●July 16, 20062006-07-16
Grant Edwards <grante@visi.com> wrote:> On 2006-07-16, Peter Dickerson <first{dot}surname@tesco.net> wrote:> >> > Damn. That's a pretty fast car.> >> Not by German standards ;->> That's like saying that having a billion dollars isn't "pretty > rich" because there are people who have more than a billion > dollars.Not quite. There's a difference between "pretty rich" and "Damn. Pretty rich". OTOH, who knows, there might even be a reason I put a ;-> after that statement...> small minority -- the average car can even come close to doing > it). If you don't think a car that can do 120mph easily is > pretty fast, then how fast _does_ a car have to go to be > considered pretty fast?I'll be selfish: faster than the average car that overtakes me on the Autobahn. I.e. in the upper 50% of all cars going faster than about 155 km/h. I have to guess how fast that actually is, but I'd say it's more than 200 km/h. We have to keep in mind that most of those guys aren't driving at the top speed of their vehicles, either. Their car _can_ go even faster, but their drivers can't. That's because there are too many unbearably slow cars (from their point of view) like mine in the left lane for the real fast ones to come near their top speeds most of the time. They keep having to brake down to 150 km/h or less to avoid crashing into slower vehicles. Not even to mention trucks overtaking trucks, i.e. "unmoving obstacles" in the left lane.> Motorcycles, OTOH...... usually have more sense than to try and go 200 km/h or faster --- wind drag turns into a solid kick in the guts at those speeds. No, the typical object actually doing over 200 km/h on the Autobahn is a sedan or limousine. Mind you: nothing "sporty" involved. We're talking about working people who value their time high enough not to want to waste it on the road, and have the money to do something about that. To give you some perspective: my Golf (a.k.a. "Rabbit" overseas) Mk III is 14 years old, and it's really a rather low-end car: this model was available with engines up to three times as powerful as the one I have! But even this low-end car goes 100 mph without breaking too much of a sweat, on level ground and without any wind to help it along. -- Hans-Bernhard Broeker (broeker@physik.rwth-aachen.de) Even if all the snow were burnt, ashes would remain.
Reply by ●July 16, 20062006-07-16
On 2006-07-16, Hans-Bernhard Broeker <broeker@physik.rwth-aachen.de> wrote:>> Motorcycles, OTOH... > > ... usually have more sense than to try and go 200 km/h or > fasterOne would hope so, but a much higher percentage of motorcycles than cars can make it to 120mph.> wind drag turns into a solid kick in the guts at those speeds.I wouldn't recommend it without a fairing, but on a faired motorcycle, it's certainly not bad.> No, the typical object actually doing over 200 km/h on the > Autobahn is a sedan or limousine.True.> To give you some perspective: my Golf (a.k.a. "Rabbit" > overseas)Here in the US, they were Rabbits for a while, they were Golfs, now they're back to being Rabbits again. VW really ought to pick a name and stick with it.> Mk III is 14 years old, and it's really a rather low-end car: > this model was available with engines up to three times as > powerful as the one I have! But even this low-end car goes > 100 mph without breaking too much of a sweat, on level ground > and without any wind to help it along.There must have been something wrong with the Audi I had on the Autobahn. It took a long time to make it up to 100mph. -- Grant Edwards grante Yow! I love ROCK 'N at ROLL! I memorized the visi.com all WORDS to "WIPE-OUT" in1965!!
Reply by ●July 19, 20062006-07-19
