LEGO Rover 8x8 UPGRADE - snow experiment & evolution off-road AWD RC 4-motor separate axes vs tracks

LEGO Rover 8x8 UPGRADE - experiments & evolution of highly off-road vehicle RC car with 4 motors in snow & overcoming various obstacles, lots of all-wheel drive wheels on independent axes vs caterpillar.

The evolution of technical improvement highly off-road vehicle from LEGO Technic with 4 motors all 8 whell at 4 independent axes drive RC-car (IR remote control).
Different types (eight wheels, tracks on wheels, four triangular tracks, single large tracks, raised caterpillar, toothy tracks) of several designs experiments.
Which is better at overcoming obstacles - wheels or caterpillars?
Test runs on a flat surface, obstacles, snow and rags.

Video content:
00:00 - Intro
00:15 - Assembling the base of the body structure
02:30 - The first model 8 x 8 wheel AWD
03:22 - Test in snow
04:13 - Demonstration of independent axes
04:36 - Drive upgrade and wheel replacement
05:17 - Infrared remote control panel demo
05:37 - Passage through the arm
05:49 - The second model on ice
06:16 - Putting tracks on top of wheels
06:47 - The third model overcomes snowy hills
07:10 - Pulling off the caterpillar during a tank U-turn
07:18 - Replacing wheels with roller gears with teeth for tracks
07:58 - The fourth model shows a U-turn in place
08:16 - Upgrading the drives to high (lowering the speed, but increasing the torque)
09:20 - The fifth model drives slowly
09:49 - Combining tracks into a single tank
10:30 - The sixth model failed on a test drive
10:43 - Improving the design to a stronger
11:42 - The seventh model successful speed tests
12:27 - Even more toothy
13:20 - The eighth model ride through the rags
13:43 - Overcoming a deep snowdrift
14:14 - Goodbye

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