Blog Entry# 1056675
Posted: Apr 13 2014 (23:24)
Last Response: Apr 14 2014 (12:38)
If the two wheels are fixed at the axle i.e. both rotate at same speed, how do trains take a turn????
now we have to go to a huge subject of wheel dynamics...
by the way both wheels can take independent rotation. ..
they are equidistant but not necessary that both have to take equal rotation. ..
on turns the wheel at outer curve is slightly elevated and takes greater no.of turns covering greater distance. ..
How the wheel at outer is elevated??? Is it due to banking of tracks or due to taper on the wheels????
the tracks are raised at an angle of 15 degrees depending on the speed at which majority of the trains will be crossing it
suppode the curve is at a big stations platform then the elevation is decreased as trains wont cross at greater speed.
if elevation not done, it will lead to wear and tear if the inner track...
centripetal force n centrifugal...
Apr 14 2014 (00:15)
One Mail~ 5617 blog posts 1472 correct pred (71% accurate)
I am not sure, I heard it from one of my friend whose dad is mech engineer in IR. Other than banking, wheels can turn right or left depending on curves. Not big movement, slight movement. Goods train are not provided with these feature, that is why in curves, where banking is not there, good move slowly.
I am not sure how much truth this is, it was shared to be my friend.
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