11-19-2008, 05:28 PM
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#31 (permalink)
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Quote:
Originally Posted by dichotomous
(Let the Chinese keep their permanent magnet devices).
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you'd prefer constantly filling up and burning fuel instead of letting a permenant magnet motor coupled to a generator recharge batteries constantly for the life of the vehicle with no outside energy, eliminating any need to refuel or recharge? Personally I would take the latter[/QUOTE]
I'm confused. If I understand what you're saying, that is perpetual motion. And if your car does that please let us know.
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11-19-2008, 06:37 PM
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#32 (permalink)
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Quote:
Originally Posted by tjts1
Anybody remember the Ford escort pony.
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I remember them very well. In fact I have an '88 Pony with 483,000+ miles (best car I ever owned) that was bought new by my brother in '88 for $5888. The most expensive repair that has ever been made to it is having a new clutch put in it because I didn't know how and a friend of mine that worked as a mechanic for a Ford dealer done it for me for $125. At 21 years old considering the '09's are out and still getting in access of 50 miles a day put on it I feel like it's a good value. When you raise the hood you have enough room to work on it without having to disassemble half of the car and it's as easy to work on as the cars of the 50's and 60's.
My '97 Escort LX wagon was basically a stripper when it came to the dealership. The dealership added A/C to it for about $1K without me having to buy a $2-$3K package that I didn't want. It had an AM/FM radio and I worked it out in the deal with the dealership to put the system of my choice in it at the sales price we agreed on. After I bought it I took it and had C/C put on it for about $300. and now it's got everything on it I needed to make me comfortable and with the rebate I had on my Ford credit card I walked away from the dealership, cost of a new car, tax, tag and registration for under $9300.
Last edited by Ford Man; 11-19-2008 at 07:11 PM..
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11-19-2008, 06:48 PM
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#33 (permalink)
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Even a 10k mile Versa for $10k with all the goodies is a better deal than that brand new $10000 stripper.
2008 NISSAN VERSA 6SPD LS
I wouldn't be caught dead in either but at least have a 6 speed transmission, AC, PS, power windows etc. There is absolutely no excuse for buying a brand new $10000 stripper unless you enjoy punishing yourself and getting laughed at.
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11-19-2008, 08:26 PM
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#34 (permalink)
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MechE
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Quote:
Originally Posted by tjts1
Even a 10k mile Versa for $10k with all the goodies is a better deal than that brand new $10000 stripper.
2008 NISSAN VERSA 6SPD LS
I wouldn't be caught dead in either but at least have a 6 speed transmission, AC, PS, power windows etc. There is absolutely no excuse for buying a brand new $10000 stripper unless you enjoy punishing yourself and getting laughed at.
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Tell that to the people that bought new Accents
We may not understand why people continue to buy new cars despite cheaper/equivalent prices of used cars (with or without more features)... But they do :/ I mean it's not like no one has ever said that the value depreciation is highest in the first year
Besides, if no one ever bought a new car - I couldn't buy mine used
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Last edited by trebuchet03; 11-19-2008 at 11:39 PM..
Reason: haHAouah
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11-19-2008, 09:16 PM
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#35 (permalink)
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The permanent magnets I'm referring to are those used in power window motors and electric door locks.
I don't think anybody uses permanent magnets in propulsion motors. Not enough field strength.
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11-19-2008, 10:14 PM
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#36 (permalink)
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Quote:
Originally Posted by Big Dave
The permanent magnets I'm referring to are those used in power window motors and electric door locks.
I don't think anybody uses permanent magnets in propulsion motors. Not enough field strength.
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There have been studies on using rare earth magnets in electric propulsion devices, FYI. Obviously, there is a difference between permanent magnets and rare earth magnets... I'm not sure on the actual scope of research involved though... nor the result of research thus far.
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11-19-2008, 11:45 PM
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#37 (permalink)
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Quote:
Originally Posted by Big Dave
I don't think anybody uses permanent magnets in propulsion motors. Not enough field strength.
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I think the Insight's electric motor uses permanent magnets. I haven't disassembled it myself, but the shop manual warns about strong magnetic fields, and recommends using a special puller tool to remove & replace the rotor.
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11-20-2008, 11:10 AM
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#38 (permalink)
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Ecomod noob
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When I bought my Neon, I asked for a manual trans, no power accessories, but I wanted AC (lived in the Mojave desert at the time). I didn't even care if it had a radio. And I wanted it in a light color to reflect the sun and not absorb it like a darker car would. There was only matching my desires in a 100 mile radius of the local dealer...
At least they went and got it for me.
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11-20-2008, 12:23 PM
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#39 (permalink)
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Quote:
Originally Posted by Christ
There have been studies on using rare earth magnets in electric propulsion devices, FYI. Obviously, there is a difference between permanent magnets and rare earth magnets... I'm not sure on the actual scope of research involved though... nor the result of research thus far.
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no, my car does not do perpetual motion, can't trying someday I guess though.
as far permanent/rare earth magnets, any magnet that does derive its magnetic field from an electrical current is permanent, this means that refridgerator (ceramic) alcon(spelling?) ferrous, and even the super duper NIB (neodynanim iron boron alloy ground up and pressed together under high heat) all can be permanent magnets. they can all also lose their magnetic fields. its all about the alignment of the particles in the material. and no, the magnetic fields even with the NIB magnets are not particularly strong when compared to a chemical reaction's ability to cause movement. but a whole bunch of them constantly creating their small amount of power could make something worth using at the appropriate scale. so in theory its very possible to use these natural forces to create power, in practice there have been a few people that seem to have done it, but not many people have replicated their results or made a unit with enough energy density to use for an automobile.
youtube up parendev motor or howard johnson magnet motor and you can see some that appear to work well, the hojo model even running an alternator at pretty high speed.
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11-20-2008, 01:10 PM
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#40 (permalink)
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Quote:
Originally Posted by dichotomous
...but a whole bunch of them constantly creating their small amount of power...
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No, no, no! Magnetism doesn't work that way. It's a conservative force, like gravity. You can get power by letting something fall downhil, but you have to put in the energy first to get it up the hill. Same with a magnet. You can get energy by letting the magnet pull something towards it, but you have to put in the same amount of energy to pull it away. No free lunch, IOW :-)
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