Ali Machinchy flies the 50 Bill Hempel Pitts of Simon Bartlett at the Joe Nall Week 2019 Model Data: Wingspan: 2. 8 m, 110 Lenght: 2. 62 m, 103 Weight: 30. 5 Kg, 67. 2 pounds Engine: KOLM M360FT 6 Cylinder Boxer 4 Stroke Propeller: Fiala 36, 14 (needs a bigger 38, 16) Cortex Pro by bavarian DEMON Jeti Centralbox 400