One note... lookig at the detail pic of the rudder linkages.... I note the use of crimped wire pull-pull cables.

Not sure how much pull is on those cables.. but for the crimped ends on C/L lines I always took the free end (a bit longer than the loose ends seen..) and ran them around the tube sleeve and back through again before crimping. the effect is the wire almost has to break befre it can pull free of the crimped sleeve.

Sullivan pre-made control lines have the crimp just as seen... and every one I tested FAILED at less than 1/8 the rated strength of the lines after one drop of fuel was put on the crimp.

Something to think about. Watch the crimped ends. Exhaust oil might allow some slippage (which could be disastrous.)

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He's also lost a screw on one of the elevtor horns...