Wishbone jigs
Looking af Fig 5.15 on page 65
The length of the plate is given as 465mm, Now asuming that an extra 10mm is required ( Ammended book spec )
The length of plate needed, will now be 475mm.
The 25X25 box is welded on top & at each end of the jig plate.
This will give you wishbone length of 425mm.
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