Lego NXT Rocker-Bogie Suspension

One of my many Lego NXT project ideas is to build a Rocker-Bogie system similar to the Mars Sojourner, Spirit and Opportunity rovers. It turns out a similar mechanism is ipresented by Brian Bagnall in his book titled Maximum Lego NXT: Building Robots with Java Brains. While I wait on that book to move from…

Lego Mindstorms NXT Split Chassis Steering

Here is an idea I have been playing with for a little while. Instead of simply doing a car with regular steering, I wanted to try a split chassis design where the front of the car rotates in the direction you want to turn. Here are two attempts, but I abandoned any further design after…

Lego Mindstorms NXT Segway

The other night I was researching building a balancing Segway like robot with the Lego Mindstorms NXT kit. I wanted a robot that could balance on two wheels and could move forward and backward. I also wanted the robot to recover when “pushed”. I was familiar with Steve Hassenplug’s Legway built on the Lego RCX…

Four Tank Treads

I have gone back into the RobotThoughts Lego Robot Database and pulled out some of my favorite Robot designs. This Lego Mindstorms chassis was one of my favorite and most versitle. It had good clearance and lots of tourque.