Tracked vehicles try to pass different obstacles. Which vehicle is the best one? Enjoy!

0:00 Obstacle 1: gap (14 cm)
00:20 Obstacle 2: step (10 cm)
00:52 Obstacle 3: u-turn (20 cm wide)
01:25 Obstacle 4: Czech hedgehogs fence
01:57 Obstacle 5: triangle valley (40 deg inclination)
02:42 Obstacle 6: Dragons tooth on a bridge

List of vehicles:
1. Dual-Pivot Vehicle
2. Articulated Vehicle
3. Basic Tracked Vehicle
4. Mark V
5. Long Track

Non-Lego parts used in the vehicles:
-CaDA Battery Box JV1031 (obsolete) https://decadastore.com/products/cada-750mah-battery-box-jv1031?ref=bec
-CaDA 2.4G Radio Control JV8011 https://decadastore.com/products/cada-2-4g-radio-control-v8011?ref=bec