Bright-Way 11230 Power Strip

this week I was gifted a circular saw the circular saw I was pathetic so it was nice to get a new one that could actually maybe cut through some wood it's a seven and a quarter two and an eighth horsepower Black & Decker from I'm guessing probably twenty to thirty years ago I stopped to look up the part number but when I first turned it on the thing was sparking like crazy at the back end I before I started it I had twisted the armature to make sure that the motor was you know not seized and it wasn't but I decided to take it apart and see exactly what the problem was so this is the armature from inside and I've already started sanding this down used to be pretty black but the other thing you'll notice you can see here there's a burn mark and I'm guessing that at some point during this tools life I was either run through something that was a little bit too rough and it bound the blade t