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Re: Toyolet prius efficiency
| Michael Pardee | 22 Mar 2007 12:57 |
> On Mar 21, 5:51 pm, "Michael Pardee" >> never replace tubes. I knew tubes were finally doomed when transistors [quoted text clipped - 14 lines] > That's how it's life began before Toyoda knitting corporation weighted > it down with the nickel anchor. I see you have no experience with the Prius. Mine is the second one in the family; we bought my wife's 2002 new nearly 5 years ago and it has been by far the most trouble free car I've ever owned. It has needed only routine maintenance, tires and a replacement windshield (Arizona should be called "the land of rocks") in all that time. The 2002 I bought with 103K miles last year has almost exactly the same service history.
I got excited about hybrid technology when I first heard about it around 20 years ago. It's the answer to an engineer's prayer: The flexibility and responsiveness of an electric car and the range of a fuel powered car. Better yet, although car engines very rarely get into double-digit efficiency range, a serial hybrid (not available commercially yet due to the state of development of the higher power electrics) can manage 15-20% efficiency.
In the meantime, the series-parallel hybrid power train in the Prius is only one of its features and was not even in the original design. It was designed from the ground up as a 21st century vehicle (the project was known as G21 - see http://www.vfaq.net/docs/Prius_that_shook_world.pdf ). They did a great job with the interior volume; we've taken long trips with 5 people in my daughter's '93 Accord and in my wife's 2002 Prius... the Prius is definitely roomier in back. The current models are even roomier, fitting the midsize mold.
With the severe weather gone, I'm getting mid-40s mpg again. Much of that is 3 mile commutes, but I got 44 measured mpg on a 340 mile round trip to Phoenix, complete with 75 mph freeways and a 6000 ft elevation change. And we haven't seen anything yet.
(And you do reboot your car several times on an average day... that's the rrr...rrr noise you hear when you turn the ignition key all the way to the "start" position.)
Mike
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| isquat@gmail.com | 22 Mar 2007 06:35 |
On Mar 21, 5:51 pm, "Michael Pardee"
> never replace tubes. I knew tubes were finally doomed when transistors > became cheaper than tube sockets. Funny what technology does to our world. Exacltly. Prius will be remembered at the vacuum tubes of the early 21st century. I don't like rebooting my cars a few times a day, but that might just be me silly. I wonder if the same problems are delaying the production of the bastardized Elise or Tesla has a simpler system. Someone is going to buy that fat pig anyhow. There is Exige for half the price with 500 pounds or so shaved for the rest of the population.
> Response: Prius > isn't a subcompact <snip> That's how it's life began before Toyoda knitting corporation weighted it down with the nickel anchor.
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| Michael Pardee | 22 Mar 2007 01:51 |
> http://omidr.typepad.com/torque/2007/03/toyotas_prius_i.html > > maybe fewer hybrid crap will be forced on our shoulders after > all and Ed Markey would finally shut up? > Did Canada sign Kyoto protocol? Wow - that screwy story is being quoted all over the place. It's hard to know where to start with what's wrong with it, but a bit of checking into the history and current status of that nickle plant in Ontario should clarify just how bogus the story is. After that, consider how miniscule the fraction of nickle output that goes into Prius batteries is and the ludicrous assertion that the expected life of a hybrid is 100K miles (mine had more than that when I bought it, and it drives like new)....
Don't worry, though. You probably won't be forced into buying a hybrid anytime soon. When conventional power trains can't compete in either power or efficiency, your choices may be limited, but I bet you could still buy a 20th century car even 30 years from now. Maybe even one with 4-wheel drum brakes and recirculating ball steering and a Kettering ignition.
When I was a kid fascinated by electronics, the limitations and cost and complexity of transistors spawned pronouncements that transistors would never replace tubes. I knew tubes were finally doomed when transistors became cheaper than tube sockets. Funny what technology does to our world.
Mike
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| isquat@gmail.com | 21 Mar 2007 22:16 |
http://omidr.typepad.com/torque/2007/03/toyotas_prius_i.html
maybe fewer hybrid crap will be forced on our shoulders after all and Ed Markey would finally shut up? Did Canada sign Kyoto protocol?
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