I mixed small amounts as it cures quicky and you dont want to waste the stuff. I applied it to the entire wheel with a tongue depressor. During the process, my wife (Mrs. McGyver) accidentally wandered down into the work shop and saw the mess and just shook her head telling me that I ruined that poor wheel...Yee of little faith.
Once it cured I sanded it to a rough round shape, looked for low spots, and reapplied it about five or six times. Here are a couple of in-progress shots:
