|From the side - modeled with a flat board.|
The board was designed around a motor and batteries I already had. I don't totally remember but a top speed target of 20 seemed pretty reasonable and realistically I'll go about 15 anyway. Safety first?
|Closeup of pulleys/tensioner. 7.5" belts is what SW came up with. 5:1 ratio|
|Obligatory 'the top comes off' picture. Battery assembly will be 3D printed.|