Ok, I finally made some really good progress on the drive sprockets. I cut out all 4 (2 for each drive wheel). I had to spend a little time making a homemade router table for my router, but once I finished that, I was in business.
So, after being cut out, due to the bending of jigsaw blade, they needed some cleanup done on them. So I put a straight bit on the router, and just used it to shave the jagged edges, like this:
Then I put a chamfering bit on the router, which cuts a diagonal edge. Before on the right, after on the left:
Here they are, they turned out great.
All I have left to do now, is drill the holes to bolt it to the drive wheels, and drill a 1-3/8″ hole in the center for the bearing to fit it. Here’s the bearing I’m using:
Also, finished both hubs for the drive wheels, so they are almost done. Once the drive wheels are finished, that is huge, cause I will be able to start working on the tracks, since I’ll know the exact spacing for the treads on the tracks.
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