I used to think I had no use for recurve sharpening. I did not, and still do not, have any recurve knives. I was wrong.
The first twelve minutes of the recurve class have some excellent background information on preparing the grinding wheel. I highly recommend watching it.Here is a link:
https://www.youtube.com/live/aw4vJSUPXmk?si=REqO_BTvEpVjnxKJ
Ken
PS The rest of the class is informative, also.