BGA glider data sheet - Puchacz SZD-50-3 Data source: Flight Manual Date of issue: Dec 1985 and TCDS Manufacturer: PZL (Poland) UK Agent? Weighing Data: Control deflections in mm Kg Pounds Up Down Measuring point Max weight 570 1256 BGA concession non-aerobatic max weight [+3%] 587 1294 Ailerons 108/120 54/60 Inboard end Max weight inverted 540 1190 Elevator 198/213 146/159 Inboard end Max pilot weight (seat load) 110 242 Rudder 513/540 Both ways Base Max front pilot weight inverted 95 209 Max load in luggage compartment 20 44 BGA concession non-aerobatic max weight of nonlifting components +5% on handbook values Trim 32/38 Up to serial No 1081 72/78 Inboard end mm Forward C of G limit (aft of datum) 92 Forward C of G limit inverted (aft of datum) 133 Trim 28/30 From serial No 1082 73.5/75.5 Inboard end Aft C of G limit (aft of datum) 333 Aft C of G limit for flick rolls (aft of datum) 204 Front pilot pos. (forward of datum)* Rear pilot pos. (forward of datum)* 1270* 137* *The flight manual, pages 2-9 & 2-10 quotes different pilot positions for different pilot weights with and without cushions (“pillows”). The figures quoted here are for general use and assume no cushions and a minimum weight front pilot, the most safety critical case. Longitudinal datum: Wing root LE Horizontal datum: Datum points on rear fuselage or wing root rib level, using a clear plastic tube filled with water as a level. Maximum speeds Knots Kph Knots Kph VNE 116 215 Aerotow 81 150 VNE inverted 97 180 Winch / auto tow 59 110 Rough air 86 160 Airbrakes open 116 215 Manoeuvre 81 150 Max winch weak link: 758 Kg (Tost Red) Tyre pressures: Front 17 psi (1, 2 Bar), main 43 psi (1, 9 Bar), rear 36 psi (2,5bar) Semi/fully aerobatic - see weight limits Cloud flying permitted CAIR Aviation “Ottfur” hook(s) may be fitted in place of the original hooks. This sheet compiled by: Tim Macfadyen Update, 9 April 2009, pilot positions corrected. Update 27 April 2009 CAIR Aviation hooks added. Updated 20 Dec 2010. Minor corrections to C of G limits & BGA concession on non-aerobatic max weight of non-lifting components added (previously omitted in error.) Last update 28/11/11 Control deflections corrected as per the TCDS Page 183 of 228