Thread: Discussion Variable Wiggle Drive.
View Single Post
Old Jan 28, 2013, 06:57 PM
MattK_NZ is offline
Find More Posts by MattK_NZ
Obsessed with all things CNC.
Joined Jan 2013
18 Posts
Very nice catch, Craig, you must have watched that video more times than me or you have a better eye for detail.

I've been mulling this stuff over in my head for the past week and my current point of view is that these systems need to be designed around the type of thrust bearing available. For water contacting fin applications... A pair of ceramic angular contact bearings is required although a pair of ceramic tapered roller bearings would be better, if such a thing is ever manufactured. Unfortunately, outside China a pair of angular contact ceramic bearings will cost $USD240 for each drive.

For winged applications I'm quite sure a pair of needle thrust bearings will be best because of their low weight and their ability to be purchased / used without races so that the needles roll on the inner surfaces of the VWD.
MattK_NZ is offline Find More Posts by MattK_NZ
Reply With Quote