A Classic Chris Olsen design the Upset was the culmination of years of development is is still an excellent performer in vintage aerobatic competition.
The Belair parts set will make building the Upset much easier and quicker, as all the shaped balsa and plywood parts such as fuselage sides, bulkheads, formers, wing ribs, braces, tailplane ribs, fin/rudder and the complex spars are all supplied ready to use, plus many smaller items.
62 inch model suits 4 channel and 61 size motor.
Plan and Canopy now included in parts set package.