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Making A Silk Purse From A Sow's Ear
The 4130 cross tube had to lengthened. Cut the cross tube on a 60 degree angle, then make a sleeve from the next size up 4130 tube of equal wall thickness, cut its ends also on a 60 degree angle. TIG weld together in a jig.
Comment
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Comment by Bob McDonald on April 15, 2012 at 5:03pm
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I had a friend who is a welder repair / rework it for me. When I dealt with Zenair on the messed up CH750 motor mount I learned that "Zenair never makes a mistake you must have not built the firewall correctly"... this on a CNC built CH750 built with Mark Townsend who was the Zenith dealer at the time. Zenair did not make it right the first time... I don't have time to show them how its done correctly.... that is why I posted pictures with the measurements so they can figure it out.
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Comment by Mark Maltais on April 15, 2012 at 4:54pm
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Did Zen do this as a repair or did you do it yourself Bob?
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