Custom Mini 4WD Runs On Steam

See the original posting on Hackaday

Tamiya’s Mini 4WD toy line primarily consists of small 1:32 scale toy cars powered by AA batteries, which have no remote control and are guided around a plastic track by horizontally oriented drive wheels. Tuning and racing these cars is popular in many parts of the world, but this build is a little different.

After initial experiments with a modified Tamiya chassis are unsuccessful, a fresh build using a bespoke aluminium chassis is begun. A sturdy boiler is created, feeding into a piston which is used to drive all four wheels through a series of driveshafts.

It’s interesting to watch …read more