Gearbox and water pump are not new things in this channel, but I was thinking to make the best, most powerful, and insane soo far what I have ever done. Well, here it is. Gearbox with eight engines what is driving water pump what is attached at the front.
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MY PATREON PAGE:   / letsprintyt  
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If u wanna build this on your own, then feel free to do soo, all .stl files are free.
Everything is printed out with ABS but PLA or some other materials will work fine also.

Bearings 688zz: https://www.banggood.com/custlink/Dvm...
12V DC motors: https://ali.ski/zKwdh

.stl for gearbox: https://thangs.com/Lets-Print/V8-GEAR...
.stl for water pump: https://www.thingiverse.com/thing:460...

Acetone vapor video:    • How and How NOT To Do Acetone Vapor  
Storage box on my table: https://cults3d.com/en/3d-model/gadge...
Name sign on my table:    • 3D Printed Name Sign With LED Lights ...  
Facebook: https://www.fb.me/letsprintyoutube