How A Railway Frog Point Works
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what are good points/turnout to gets then
i have peco streamline insulfrog
n some of my dads old hornby carriages n the wheels jump ova them
modeltrainteen95 3 months ago
Do to the high axle load railways don't use flange running. The width of the wheel determines the maximum frog angle, at which the wheel can bridge the gap without 'falling' into it. The guard rail prevents the wheel on the frog to enter the wrong way by guiding the outer wheel on the wheel back. To overcome the reduced derailment safety when guiding the wheel back, the guard rail can be superelevated with regard to the top of rail. Entry and exit areas are inclined to provide smooth guiding.
weberblau 6 months ago
thanks for posting! i think thats a big problem with hornby points! i had continued derailment at this point probably made worse with uneven base boards eventually what you called the ring rail at the side of the frog v came off! even the plastic brackets snapped so i don't know if glueing the rail back on is viable or not so i'll just swap it for a pico! thanks!
AUTubeN22 7 months ago
Well done!
What happens at a 90-degree crossing track?
Do the flanges pick up the load as the wheel treads roll through the flangeways?
At what degree of angle does this smooth transition fail to occur?
Are the guard rails ever touched by the wheels?
Thank you.
robertgift 9 months ago
very well worded and informational video - i build the real thing for a living and aside from a few minor details this is a great way to explain exactly how they are supposed to work! two thumbs up
8krsmart 2 years ago
it is a wery grate invention. In european railwais is very used this tipe.
kdlehel 2 years ago