Finally, there is the question of lossless snubbers. One way of looking at them is that the lossless snubber circuits can be viewed as miniature switching-mode powers supplies and much of the some thinking applies. I did not answer your questions , but used it as as a sounding board for some ideas. If Ridley's page didn't answer it, then other readers may be more helpful. Others may have a different perspective on this topic.
Comments are always welcome.
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