- Designer: Traplet
- Wingspan: 79″ / 2000 mm
- Power Source: Speed 600 & gearbox
- Radio Functions: 4 – 6
- Weight: 4 lb / 1.8 kg
This model reproduces the original STOL characteristics, with a geared 600 size motor and 9.6-12v battery pack. Designed by Norbert Ladenburger, the construction is for the more experienced builder.