He also has vids on angles for internal turning
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Perhaps this might fit the bill
I had to bolt some 3mm steel sheet paneling for my traction engine to 10mm square in the angles. I first drilled both 3mm & the bar for 3mm tap (...
Fit a carb off another commercial engine. OS or Irvine- but do not use MDS they are useless carbs. You may have to make a sleeve adaptor to fit...
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