Jan 31, 2017 · I Climbing over the narrow, wing-root walkway and stepping on to the cushioned seat of the tandem, two-place, blue and yellow fabric-covered open-cockpit Boeing PT-17 Stearman registered N55171 in Stow, Massachusetts, I lowered myself into position with the aid of the two upper wing trailing edge hand grips and fastened the olive-green waist and shoulder harnesses.. United States, WA, Washougal. Joined May 2013. 172 Posts. Build Log. Balsa USA 1/3 Stearman - Pt-17. Previously I built a 27% Waco from blown up plans, scratch. Too heavy. Wing loading of about 35 per and it was a job to fly unless you flew way faster than looked proper. Anyhoe I dismantled it in disgust, never being happy with the build.