Peggy Sue. Radio control spoart aerobatic model, for .30 size four-stroke engine.
Quote: "Around Christmas time, a little bird whispered in my ear that Super Custom were about to manufacture a .30 size four stroke - and I knew that I just had to have one. In hopeful anticipation, I spent quite a lot of time over the festive period designing a model to suit. The specification I decided upon was for a fully aerobatic design, which would be very sleek and pretty, and with a fancy colour scheme.
The final design owes a lot to a rather beautiful biplane that I designed many years ago (and never published!), and not a little to the full size Monocoupe which is one of my favourite aircraft.
While the construction may look a little more complicated than most sports models, the bonus is the resulting lightness: the complete model only weighs 3lbs 5oz. The extra construction time also pays off in a rather more attractive shape than your average slab-sider.
Fuselage. Build two fuselage sides flat on the plan. Use hard 3/16 in square stock for the longerons and medium wood for the uprights and diagonals. Note the two pieces of wood that form the slot for the tailplane. Do not cut the stern post at this time Cut and fit the wing seat: this is made from 3/16 sheet and can be medium to soft wood.
When the sides are complete fit the 1/64 ply doublers on the insides, this only extends up to the lower edge of the windows. Cut out the formers and bend up the undercarriage. Bind the latter to F2 with wire and solder the joints thoroughly. Do not solder the lower ends of the legs together yet - this undercarriage prevents rearward movement and yet the rear leg does not get bent in an 'arrival'.
The undercarriage legs are bent to allow the fitting of the rear wheel fairings, if you do not intend to use these, you could make the legs straight. The 16 swg arms are soldered to the legs at the same time as the lower ends are joined - I suggest that you leave this until the model is almost complete, as those prongs could do some damage to you or parts of the model. Wheel fairings are more practical than spats, and are shaped from scrap 1/2 in sheet before being epoxied onto the 16swg support arms... "
Peggy Sue, Aviation Modeller International, July 2000.
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