Testing Lego-compatible Universal Joints (max torque, max angle, etc)

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Lego plastic vs CaDA aluminum/copper vs MTP steel. Lego-compatible U-joints tested. Enjoy!

0:07 Max torque
2:04 Max angle
2:26 Length
2:49 Diameter
3:10 Axle connection
3:44 Close-up
4:05 Weight
4:18 Price (May 2025)
4:30 RESULTS SUMMARY

Tested parts:
Lego universal joint 3L 62520c01
CaDA universal joint 3L JT6001
MTP universal joint

The aluminum gears, beams and axles used in the max torque test bench were also made by MTP (Metal Technic Parts)