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See http://en.wikipedia.org/wiki/Rail_adhesion for an excellent explanation.
Short answer: it keeps them on the tracks. Here's a video of Richard Feynman explaining how it works: http://skepchick.org/blog/?p=7997
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ARE CAR WHEELS THE SAME DISTANCE APART AS RAILROAD TRACKS?
No they are not.
What is Lenoir City known for?
Railroad car wheels. Foundry now closed.
Is their any differentail in trains?
There is no differential on trains as compared to the differential in a car or truck. When going through a turn the wheels go at different speeds because one is traveling further than the other. Without a differential one wheel would be dragged through the turn. The railroad replaces the differential with a tapered tread on the wheel. As the train goes through the curve the taper on the wheels allows for the different rotation speeds.
What are the release dates for Hell on Wheels - 2011 The Railroad Job 2-5?
Hell on Wheels - 2011 The Railroad Job 2-5 was released on: USA: 9 September 2012
Do railroad tracks bend?
Yes, as the railcar wheels traverse over the track, the weight of the car presses on that small section of the track and temporarily bends it slightly downwards.
A car with no wheels?
Car
Why wheels are impotant?
Remove the wheels off your car, and you will realise how important wheels are, as your car won't be able to move.
How many wheels are on a cable car?
There are no wheels on a cable car it goes on a cable
What is the reason for unused raiway lines rusting?
Think about the brake disks on your car. If you get them wet, they rust. (wash your car and they will rust within the hour) The same is true with railroad tracks. The friction from the wheels grinds away any rust.
Is there such thing as replacement wheels for plasma car?
Plasmacar sells replacement wheels for the Plasma Car and Skitter Car.
Can you get your wheels back if car was repoed?
No As far as finance company is concerned the car came with wheels, it has wheels on it when repoed. Done deal.
How can you travel with aftermarket wheels?
Aftermarket wheels are wheels that can be added to your car after purchase, they allow you to adapt your car to suit your personality and preferences.
