I just got mine done tonight and anxious to try it out tomorrow. I really like the trailer jack idea but after buying steel for 6 projects I needed to keep cost down and I had the all-thread and bushing stock on hand.
Here's the end result. Still have to bore a couple of holes but want to try it out first; maybe there are different locations that aren't apparent now. This is set at furthest extension so I can swivel the blade 360 degrees.
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Parts
I used 2x3x3/16 for the outriggers
2x2 "receiver stock" (not 2 1/2 x 2 1/2 x 1/4 standard which has the internal seam that has to be ground down) Receiver stock is a little more money but worth it.
2x2x3/16 extension arms
1" dia all-thread with 1"ID x 1 3/8"OD bushing stock
1/4" plate wheel foot
HF 8" pneumatic wheel - I'll silicone the ball bearing pivot race like someone here suggested (for a dust cover) and hope for the best.
Here are parts for one side
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One of the most difficult process was jigging up to weld the outriggers onto the RB pivot. Lots of alignments to look at.
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This was a very tight welding spot (below the blade pivot plate). Can't say I got any penetration because my angle was so low but I was able to get a bead in here. Other welds are 6011 1/8" root and 7018AC 1/8" over that.
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This is the hight adjuster
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And the wheel detail. The bushing was welded and gusseted to the 1/4" plate then the all thread was plug welded to the plate.
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Welding done w/old Lincoln AC tombstone and Lincoln Weld Pack 100 HD wire feed, rosin core.
BTW - I too have a HF bandsaw. I've cut a fair amount of steel the past year. Motor is still OK. But I do have trouble getting it to cut (down) square with the table. I normally have to place my stock on the table shimmed 1/8"+/- (side to side) to get a plumb cut. This is especially noticeable once the blade has any wear. New blades are better but I can't replace them as often as it seems to need.