A Lego Technic multi mode crab Steering at mini scale, with free building instructions….
42100 Model B – Vibroseis Vehicle
An alternate model of the #42100 Lego Technic set, featured motorized drive and articulated steering, operated vibrator, fake engine with speed control, pendular tracks and central articulation, with openable elements, remoted control with PoweredUp or Brickcontroller2 app and building instructions….
New instructions for the Trial Crawler !
My Trial Crawler, a creation from 2012 has now its high quality PDF building instructions. It features drive, steering, winch, suspensions, gearbox, and fake engine.
Article and building instructions