3 truck shay phoenix sound

[tom p]

I am sure this has been covered a million times, but could someone tell me where to put magents on the wheels for chuff? there appears to be no room as what is exposed adding anything will get caught in the switches. Or is there another solution such as the gear shafts?

[Mike M]

Tom there are wires in the tender -third truck for the chuff contacts in the cylinders on the engine
Mike