Aristo, after years of requests, has upgraded the flangeway depth on
the frogs for their Wide Radius switches.
(They make 3 styles, a very tight "R1" switch, a Wide Radius switch
(matches 10' diameter curves) and a #6 switch.
These frogs are for the WR switches only.
They are only a buck, and the flangeway is 3.33 mm deep, and they seem
to also have improved the problem where the frog was higher than the
If you have any of these switches, order some frogs now.