Testing the wall-to-wall U-turn diameter (turning radius) of different steering systems. Aiming for a sharp U-turn. The length and width of the vehicle stay the same throughout the video. Enjoy!

Base rules for all vehicles:
-length is 35 Lego studs (28 cm)
-width is 18 Lego studs (14.4 cm)
-only Lego parts used

0:00 front-wheel steering & rear-wheel drive
0:17 differential
0:37 rear-wheel steering & drive
0:58 4-wheel steering
1:23 articulated steering
1:55 differential steering
2:17 differential steering + trailer
2:51 transforming vehicle

Radio control was done with BuWizz 2.0, PS4 controller and BrickController 2 app
https://buwizz.com/shop/1-buwizz-2/?ref=212
https://www.playstation.com/en....-fi/accessories/dual
https://play.google.com/store/....apps/details?id=com.