Its high time my suspension and my wheels got connected to a chassis . We need a place to house all the electronics and general payload of the robot . I used Fusion360 to put together some rough designs that used 2020 extrusions and milled plates to build a chassis.
The basic layout so far looks like this, with plates I am going to mill on the Shapeoko and then I will connect these plates with the extrusions. The suspension will mount to the middle sections with some 3d printed components.
At this point a few things are starting to glare me in the face:
this robot is wider than it is tall (doesn’t look cool)
it has ground clearance challenges because the suspension protrudes lower than the hubs
the plates don’t attach well to the extrusions, and there is a lot of flex
This badly shot video shows how well it scales over objects:
Not willing to stop doing a bad design to death I wanted to at least get some forward motion happening and try and learn all I could from this platform. I added back the steppers so I could try moving the robot
Here’s a look at the underside
and here’s a side profile
I am very proud of what I’ve made here, but it is not perfect. So I think I am in for some pondering. I need to decide where I go from here. I have some ideas, and I’ll reuse some of my parts here but I think my next post will have things starting to look a lot different.