LEGO 60052 Cargo Train Review

LEGO 60052 Cargo Train Review
And well, after my review of the 60051 Passenger Train, here I am today with the review of the 60052 Cargo Train. This LEGO Train is the spiritual successor of the 7939 Cargo Train and it is very similar to the old Maersk Locomotive release a few years ago but in a darker blue. Let’s ...

LEGO 60051 Passenger Train Review 14

LEGO 60051 Passenger Train Review
Woo! I thought it will never happen but here they are, the brand new LEGO Trains that replace 7938 Passenger Train and 7939 Cargo Train. I have bought both ( whatelse! ) but today I am going to review for you the 60051 Passenger Train. Time to review! By the way, I haven’t bought yet ...

The Best LEGO Lord of the Rings & The Hobbit Sets

The Best LEGO Lord of the Rings & The Hobbit Sets
Do you want to feel like a little hobbit wearing the most powerful weapon ever created to the the place it was forged so it can be destroyed? Surely you don’t… but you will enjoy like one building these sets. If you are interested in buying some of them you better hurry up because many ...

What happens when a Robot has different size wheels?

What happens when a Robot has different size wheels?
This article is another spin-off of the Differential-drive robot calibration. If you remember the article at the end you found that wheels are most of the times of different sizes with differences of around 0.01% but that are big enough to affect movement over 1 meter. So… What happens when you move one meter straight ...

HOWTO Calibrate a differential robot: UMBMark Explained 13

HOWTO Calibrate a differential robot: UMBMark Explained
This article is just a follow-up of drawing squares with leJOS where the problem of calibrating correctly your differential robot appeared. So, if you recall our squares drawing robot, we needed to travel around the four legs of a square turning 90 degrees on each corner so that we ended in the initial position using ...