Car Model Power
How Do you Measure Car's Power?
There are 2 ways of improving the engine power of a car without increasing its size turbocharging and supercharging. Both ways utilize compressors to force more air into the cylinders. When the air and fuel ignite, said process will result to a more powerful explosion.
The difference between turbocharging and supercharging lies on the manner of giving power. The turbocharger of a car uses the engine's exhaust gas to turn the fan that compresses air. Said fan is directly controlled by the engine. This is done using the belt linked to the accessory drive. The components are identical to those of water pump. In the case of Ford Shelby GT 500, it uses a supercharger to help produce 500 horsepower and 480 pound-feet of torque.
Compared to superchargers, turbochargers are more common these days. Cars with turbochargers include the Volvo S40, Saab 9-3, Acura RDX, Mazdaspeed 6 and almost all models with diesel engines. On the other hand, cars with superchargers include Jaguar XKR, S-type R, Cadillac STS-V and XLR-V, and Land Rover Range Rover Sport.
Jaguar XKR is the replacement for XJS. It is known as the supercharged variant of the XK series. Jaguar XKR parts include standard 18-inch alloy wheels, navigation system and self-leveling xenon headlamps. Earlier, Jaguar has produced a concept car dubbed as the XKR-R which is very similar to the S-Type R special edition. S-Type R joined the automaker's lineup in 2003. Jaguar S-Type car parts used in said version include the supercharged V8. The engine is capable of producing 390 horsepower (291 kW). The car is made sportier by using unique fascia with built-in fog lamps, rear spoiler, aluminium bonnet, rear subframe and the peculiar 'R' badging. So far, S-Type R is the most expensive S-Type. It has a base price of $58,995.
In choosing which way to use in improving the car engine's power, the deciding factor is the engine size. As a fact, superchargers drain a little more power because they are always in action. Turbochargers, conversely, do not take power directly from the engine. It is the exhaust gas that compels them.
The primary disadvantage of using a turbocharger is that it is time-consuming. It has turbo lag. Said lag is not a problem with a supercharger because it driven directly by the engine. However, with the advancement of technology, turbo lag seems to wane from many engines. Additionally, sophisticated superchargers can now be disconnected if they are not needed.
About the Author
Michelle Crimson holds a degree in business administration. She is currently working as an editor in New Orleans, Louisiana. This 32 year old mother of two is also a car racing fanatic.
Car Model Power
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For Model Train power supply's, there is a set maximum safe voltage but what about amperage?
What if I connected a car battery to my G Scale Train; It's only 12 volts and they can go to around 20 at least I believe; but what about the 800 amps?
The motor will only take the amps it needs, so theoretically your plan will work. You'll need a controller of some sort to regulate the speed, so look for one with 12 volts DC input and 0-12 volts output.
Now the fun starts when something derails and shorts across the track, then you get to full amps from the battery. IF the controller has a good cutout on the input side it and the train should be protected, if the cutout is on the output then maybe there's enough wattage going through the controller to cook it.
As rule of thumb, voltage decides how far a spark will jump, amps how 'fat' it is. IF you get the full amps for even a moment during a short, it is quite capable of welding the wheels to the track. A friend still has a scar on his wrist where his metal watch strap spot welded itself to the positive terminal on the car and the adjacent body work. Fortunately he could reach a screwdriver to pries it free but the watch strap heated enough to give a severe burn. (Watch still works!)
Are you sure the battery is 800 amps, you'd start a real train on that, 80 amp hours is more likely for a small pickup.
Before there was mains electricity in some places some folk did use batteries, usually a set of six lead acid accumulators to give 12 volts, now your car battery just happens to be 6 lead acid batteries in series. However if you've ever seem a short in a car wiring system you'll know the wires can easily melt.
So yes it will work, but be careful.
Frank