Thank you Mark. I was actually in the process of drawing up the WAF's in SolidWorks to illustrate the difference, but you nailed it right there. Cheers. Pete.
On 3/10/2010 13:30, Mark Langford wrote: > 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