Our First Swerve

[asid61]

Originally Posted by matthewdenny

Thanks for the kind words. We will probably make this in inventor soon.

We had considered a single wheel. But can't center it because the gearbox is the center of rotation. If we build this we will experiment with removing one of them for sure.

The pulleys are actually 35 chain on the top and 25 chain on the PG motor. We are more familiar working with chain so we decided to stick with that.

The box tube is from http://www.metalsdepot.com

We don't have thrust bearings or washers. We were hoping for some insight from CD on where they should go and what type of thing to get.

For the center box, you have miter gears in there, no? Look up some of the other coaxial swerve designs to see how you can get the miter gear above the wheels and have two shafts there. That way, you have only one wheel, and it's right below the center of rotation.

Good thing on the chain. Chain is easier for me too because of the loosish tolerances. You can use #25 in both areas if you want.

Thrust bearings, washers, screws, (expensive) metals, springs, etc. etc. can all be has at mcmaster.com. It's one of the biggest suppliers for mechanical parts that I know of.

For plate stock and stuff, you could try onlinemetals.com. They offer sales very often, so sign up for their mailing list. You get 5% off any order or 10% any order over $100 each month and they send out coupon codes pretty often. However, they don't have as much variety as mcmaster.