In article 36,
Patriarch wrote:

That looks to be about the level of engineering I'd like to attempt. Do
you know if it scales up well to handle say a Shaker chair rail, at 1.75"?
Or am I stuck with the skate wheel design?

I don't know why it wouldn't work just fine at the diameter you're
looking to do. All you're really trying to do is limit horizontal
movement from the centerline axis.

--
Owen Lowe

Northwest Woodturners,
Cascade Woodturners,
Pacific Northwest Woodturning Guild
___
Safety Tip'o'th'week: Never grind aluminum and steel or iron on the same
machine or workstation - Thermite.
http://www.hanford.gov/lessons/sitell/ll01/2001-36.htm