Headline: Insane Axle Torsion: Aluminum U-Joints vs. Long 6.5L Plastic Output Axle 🌀⚠️

:​Yo, fellow builders! I need some serious technical advice. I’m working on a high-torque RWD rally build (approx. 800g) powered by Dual Mould King Buggy Motors. ​I’ve just upgraded to Aluminum U-Joints, but I’m running into a massive torsion issue. Here is my current drivetrain layout: ​Buggy Motor ⮕ Aluminum U-Joint ⮕ 2L Axle (with a 0.5 bush) ⮕ Second Aluminum U-Joint ⮕ 6.5L Plastic Axle ⮕ Wheel. ​The Problem: The aluminum joints are rock solid, but because the output axle (the 6.5L one...