Meccano models for model railways can be pure meccano, or meccano mechanicals for a body in another materials.
A test rig using a meccano no. 1 motor. It worked fine but the length of operation is a bit limited.
An early attemtp at a powered chassis. This time using an electric motor, belt drive and batteries.
How small could one go with Meccano parts. It worked but no progessed with.
O gauge chassis
Using Meccano 6 volt motors couple in series this test ring ran pretty well on old O gauge tinplate track with a centre rail power supply.