Author Topic: How NOT to sell a car on ebay!  (Read 913 times)

Offline Staga

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« Reply #15 on: July 03, 2003, 04:26:36 AM »
Modern diesels aren't anything like they were 10years ago (thank god...). They don't smoke or smell anymore but are giving plenty of good 'ol torque.

330D is just as fast as 330; 20kw less power but it gives 410Nm torque from 1500rpm to 3250rpm vs 300Nm/3500rpm of 330.
Diesel accelerates faster from 80 kmh to 120kmh with 4:th or 5:th gear than 330.

btw also Alfa-Romeo builds TDi's :)

Offline Dowding

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« Reply #16 on: July 03, 2003, 05:11:03 AM »
Modern diesels are superb engines. More and more manufacturers are putting them in performance cars instead of a petrol version. For one thing you get better fuel consumption with no loss in power, and they are very quiet these days. It's really weird to be pulling away from the lights on the edge of wheel spin and have the revs so low - it's almost hazardous, if you are used to high revving petrol cars.

My boss has a BMW 330 diesel and it shifts. Same model that Jensen Button lost his UK license in. I believe the Seat Ibiza GTI model has ditched its petrol engine in favour of a 1.9 TDI motor - and they are quick cars.
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Offline -tronski-

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« Reply #17 on: July 03, 2003, 05:28:18 AM »
You Poms love your Diesels don't you...

I drive a Diesel triton 4WD at work, it's a noisy bugger so I think I'll stick to the unleaded for now..mind you the modern diesel sedans are aparently VERY quiet..

 Tronsky
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Offline Wlfgng

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« Reply #18 on: July 03, 2003, 09:33:39 AM »
deisels produce less noxious gasses than gasoline engines don't they?

Offline Dowding

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« Reply #19 on: July 03, 2003, 10:04:22 AM »
They produce more particulates (the 'smoke'), but I believe they produce less gaseous emissions.
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Offline Furball

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« Reply #20 on: July 03, 2003, 10:51:42 AM »
remember watching top gear where Tiff was test driving the VW Golf Rally Car..... which was a diesel :D

http://www.carenthusiast.com/news0210/vw_1.htm


Quote
Simpson's Sony and Pirelli-backed car is mechanically very similar to the petrol-powered Golf GTIs with which Volkswagen claimed second place in the manufacturers championship, with the important exception that in place of the GTI's 20-valve, 280bhp 2-litre engine is a 1.9-litre TDI power unit, boosted by a Garrett turbocharger to give a maximum output of around 190bhp and torque of around 260lb.ft.
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Offline Sandman

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« Reply #21 on: July 03, 2003, 11:09:43 AM »
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The title IS clean on this vehicle, eventhough Carfax says it is not. The car has not been in any major accidents. The title is clean, and I have it in my possesion. There was a little mix up at the Department of Motor Vehicles, that's all.



EDIT: I smell a wannabe street racer.
« Last Edit: July 03, 2003, 12:11:33 PM by Sandman »
sand

Offline funkedup

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« Reply #22 on: July 03, 2003, 11:54:54 AM »
You guys can keep the diesels.  :)
Torque is no substitute for power.  They have these things called "gears" ya know.  :)

Offline Staga

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« Reply #23 on: July 03, 2003, 12:17:57 PM »
Horsepower = (torque*RPM) / 5252

So you can't have one without another :)

Offline funkedup

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« Reply #24 on: July 03, 2003, 12:21:03 PM »
That would be useful if cars drove the wheels with the crankshaft, or if cars propelled themselves by exerting torque on the ground.   Fortunately they have these things called gears, and the propel themselves by exerting longitudinal force on the ground.  :)

Offline funkedup

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« Reply #25 on: July 03, 2003, 12:22:37 PM »
What all this means is that if we have two cars going at the same speed and having the same weight and body and everything, with the only difference being the engine, the one with more power will always accelerate faster assuming optimal gearing.

Offline Scootter

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« Reply #26 on: July 03, 2003, 12:23:05 PM »
Quote
Originally posted by funkedup
That would be useful if cars drove the wheels with the crankshaft, or if cars propelled themselves by exerting torque on the ground.   Fortunately they have these things called gears, and the propel themselves by exerting longitudinal force on the ground.  :)



huh!!??

Help me here,

(I'll have some of what he's having please);)


I thought torque was work and horsepower is how fast it is being applied.  (simple I know, but thats the way I am)
« Last Edit: July 03, 2003, 12:25:34 PM by Scootter »

Offline funkedup

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« Reply #27 on: July 03, 2003, 12:27:02 PM »
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Originally posted by Scootter
huh!!??

Help me here,

(I'll have some of what he's having please);)


I thought torque was work and horsepower is how fast it is being applied.  (simple I know, but thats the way I am)


Torque and work have the same units, but they are two different concepts.  Torque is a force times a distance which is perpendicular to the force.  Work is force times a distance which is parallel to the force.

Offline funkedup

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« Reply #28 on: July 03, 2003, 12:30:04 PM »
For a vehicle the important thing is this:

Power = Force times Speed
Force = Mass times Acceleration

Therefore:

Acceleration = Power / Speed / Mass

Offline Scootter

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« Reply #29 on: July 03, 2003, 12:44:08 PM »
Quote
Originally posted by funkedup
For a vehicle the important thing is this:

Power = Force times Speed
Force = Mass times Acceleration

Therefore:

Acceleration = Power / Speed / Mass


ahh ha

got it

Force is what moves a mass and how fast.   Ie. Mass times Acceleration

Power is how fast is is doing it

Horse power is like voltage and Torque is like amps
or is this a bad example?

A jet has a lot of power and little torque then