Replacing the two bolts with one longer one and a spacer replaces two bolts in single shear (not the best) with one bolt in double shear, which is far better. Although I knew it already, I relearned that lesson when I checked my flaps after 930 hours and found the oilite bushings elongated and some slop in the flap...because I'd used two short pins in each hinge rather than one longer one (due to clearance reasons). Simply replacing the two with one longer one eliminated the slop. All the spacer does in between two WAF fittings is enable you to tighten the bolt up without pinching the WAF fittings together and breaking some wooden stuff. I did the single bolt and spacer thing when I revamped my wing tips, added the gas tank, and put my WAFs in double shear. I guess I should conjure up a picture to show the point...
Mark Langford N56ML "at" hiwaay.net website at http://www.N56ML.com --------------------------------------------------------
