To hold the bottom frame tubes exactly where they should be
I cut 2 pieces of 1x3" steel wide enough to clear the frame tubes and then
some. I scribed a center line then measured where the center of the tubes
should be on either side of the center line. these 1x3 tubes measured almost
exactly 3 inches and the frame tubes were modeled parallel to the ground and exactly
3" to the bottom of the tubes. So I milled a couple of tabs with a
1-3/8" end mill to make saddles to locate the tubes on top of the 1x3's.
In the Bridgeport it was easy to get the depth accurate and scribe a line to
line up with the locating lines I had scribed on the 1x3's. once the saddles
were tack welded to the 1x3's I measured the distance from the front swing arm
pivot and with the large square located the 1x3's on the frame jig. All in all
it is very well lined up.
HAH! The title of this post made me chortle. :) Glad to see things are really coming together on this, man.
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