GUYS, my son is trying to find the magizine articles on the two that we know of reviews on the sta ryan and in one of the articles or even in the prior posts on rcu thiers and article on the tail wheel mod, what iam thinking of doing is a mod to set in a different tail wheel assy, Ive got a jerry cotters tail wheel assy that has leaf spings and fork for the tail wheel, dont like the idea of rudder controling the ground steering and transfering the shock to the rudder hindges, but in this article that person i think made a removable hatch, grooved out the area and installed a ply piece with t-nuts for mounting, just cant remember and son has not located the mags yet and ive looked thru the posting here and not found it. also theres an article on the exhaust os120 inverted and ordering from os a ninty degree elbow rhat allows the exhaust to stay inside the cowl. has any body tried slimlines inverted pitts style muffler? lots of questions for a old arf believe its around 3 years now, thanks JIM