Hi from England[:D], have a little poser for you, so lets see who knows the answer [8D].
RR axle which is solid steel and is attached to a solid steel wheel at each end and therefore becomes “as one”, with me so far? [:p]
When the train goes around a bend, the outermost wheel turns slower but the inner one will turn faster. As they are solid, physics say this cannot happen but it does.
Questions, why [}:)]
This is a little xmas tease, have a go and see if you know [8D]
Ta ta for now,
Wheel treads are tapered, approximately nominal diameter on the gage side near the flange, slightly less on the field side. Acts like a differential on curves when the axle/wheel set tends to favor the outside rail.
Guess#1: The inner wheel will actually slip (turn faster) on the track, hence that aweful screeching noise.
Guess#2: The wheels are tapered, so when they go around a bend the axle shifts on the track causing the inside wheel track contact to get bigger in diameter, and the outside will get small in diameter…essentially becoming the same size wheel at each end during turns.
drat, some one knew hahahahaha
Great question though!
Could be we just covered this about 2 weeks ago. Nice try though.[;)]
The outside wheel is traveling farther than the inside wheel. Since the outside wheel is taking more of the centrifugal force, and thus bearing more weight, it rules the inside wheel thru the solid axle. Thus, since the outside wheel is traveling a farther distance, the inside wheel only appears to be rotating faster, when in reality they are both spinning together! [:D]
The tapered theory is N/A on a wheel with any time on it. They actually wear in the middle of the wheel so the taper is gone. Nice in thought, but not in reality.
Sorry guy’s, didnt realise that this had been covered a few weeks ago, but hey-got ya looking lol
Wheel treads are tapered {at least in theory}, and larger dia. is next to flange…hence going around a curve forces put the outside wheel on larger dia running on the rail and the inside wheel with smaller dia. running on inside rail and in so doing compensating for more distance of outside of curve rail.