DR4B is not lifting

VEX V5 General Discussion
1

Hi, my team built our first dr4b (22W, 70 rpm)

we used rubber bands quite extensively but it doesn’t lift even without a claw on it

is 70 rpm too little? we assumed more torque would be the way to go

PXL_20260714_165852776.MP
PXL_20260714_165852776.MP1920×1446 520 KB

PXL_20260714_165858329.MP
PXL_20260714_165858329.MP1920×2550 603 KB

Thanks