At 05:15 PM 9/18/2006, JC Smith wrote:
>Hi Joe,
>
>If you really want to run a mast all the way to the bottom of the tower I'd
>go find a used thrust bearing (the kind that's designed to support both
>axial and radial loads) at the junkyard for it to set on and use a rotor
>shelf, which you can use later when you get a real rotor, to secure it to
>the bottom of the tower. That steel ball sounds a little hokey to me.
>You'll need to design some sort of decent brake to keep it from wrapping up
>your coax. Why not just buy a decent rotor? Can't add too much to the cost
>of the project when you figure in all that extended mast stuff.
Old car rear axle and differential takes a pretty good thrust load.
Welding to the brake drum is a bit of a challenge, but usually, you
can modify a pipe flange or similar by drilling it for the lug nut pattern.
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