The configuration of rails used when two railway tracks converge, diverge or cross at which the left rail of the right track meets the right rail of the left track.
Used: railway modelling (how general?), USA (how general?).
Cross reference: acute crossing.
Frog
Moderator: modadmin
Frog
Possible correction : Acute crossing is I believe another name for a DIAMOND crossing.
FROG is also known as the "Vee" because of the shape the rails make.
In modelling terms, one can have an INSULATED frog or a LIVE frog.
In an insulated frog, the tip of the "vee" is usually made of plastic and insulates the opposing currents (+ and -) thus preventing a short circuit.
In a live frog, all the frog is made of metal and to prevent short circuits, an isolating rail joiner (known as FISHPLATES in the real world) should be used.
Of course, the electrical problem does not exist in the real world (or not as far as I know!)
FROG is also known as the "Vee" because of the shape the rails make.
In modelling terms, one can have an INSULATED frog or a LIVE frog.
In an insulated frog, the tip of the "vee" is usually made of plastic and insulates the opposing currents (+ and -) thus preventing a short circuit.
In a live frog, all the frog is made of metal and to prevent short circuits, an isolating rail joiner (known as FISHPLATES in the real world) should be used.
Of course, the electrical problem does not exist in the real world (or not as far as I know!)
