Mini Ripsaw Robot tank tracked lower cover

thingiverse

https://www.youtube.com/watch?v=_eqha5_EZJs mini robot tank from aliexprees with 800kv brushless outrunners upgrade motors: below 800kv is better for direct drive projects. https://hobbyking.com/en_us/2213n-800kv-brushless-motor.html just reverse the shaft. if you build your own hub/coupler you can adjust to specific lenght for align sprocket with other wheels. i choose these motors while they are extremly lightweight. but you can use better motors:https://hobbyking.com/en_us/ntm-prop-drive-28-36-750kv-265w.html with 3mm shaft. or these motors more heavy:https://hobbyking.com/en_us/ntm-prop-drive-28-36-750kv-265w.html with 4mm shaft so you can use following hubs/coupling hubs, coupling.https://fr.aliexpress.com/item/freeshipping-2pcs-Aluminum-metal-coupling-for-tank-chassis-tracked-vehicle-motor-connector-model-fitting-diy-rc/32604718325.html?spm=2114.13010608.0.0.i4yKfb dual 30a HK esc's: they are perfect for smooth startup with high poles outrunners motors. programm card is needed for tune timing settings to medium or high, and startup power, while the motor is at the limit for smooth startup in direct drive, without reduction gear.https://hobbyking.com/en_us/hobbykingr-tm-brushless-car-esc-30a-w-reverse.html/?___store=en_us