Reply by bayspt

A 1” roundover bit is about 2 1/2 ” diameter. Not sure on the rule but that should be getting close the the diameter that one would need to slow down. However I think you could do it with a fixed speed router freehand if you where carefull especially on the end grain. I sure wouldn’t try to climb cut with it though, and I would take very narrow passes. An offset router base might make it more safe, and can be made for free if you got the scraps. Just me .02

-- Jimmy, Oklahoma "It's a dog-eat-dog world, and I'm wearing milkbone underwear!"