One of the 4 Kassel wheels I’m going to be rolling has a damaged flange. Before pursuing repair I figured it’d be wise to throw it on an axle and spin it while recording via stationary camera to see if it was still relatively straight. The axle moved upwards slightly on the upswing (you can see it move) but to my eye it looks like its still true.
Also the site has a YouTube channel now so that’s thing I guess.