BGA glider data sheet - DG 505 Elan Orion (17.2, 18 & 20 meter un-flapped) Data source: Manufacturer’s flight & maintenance manuals Date of issue: 1995 Manufacturer: Glaser-Dirks Flugzeugbau GmbH Web site dgflugzeugbau.de UK Agent: Bob McLean Web site: Phone: 01904 738653 Fax: 01904 738146 Link to mandatory mods: http://www.dg-flugzeugbau.de/tech-mitteilungen-e.html Weighing Data: Control deflections in mm Max weight (take off & landing) Kg Pounds 750 1653 Up Down Distance - Max hinge to free measuring play point Fully aerobatic max weight 625 1378 Ailerons 75 ± 3 38 ± 3 144 ± 1.5 Max weight (dry) 17.2 Meter Max weight (dry) 18 Meter 645 1422 650 1434 Ailerons 60± 3 modified as TN 348-11 30 ± 3 144 ± 1.5 Max weight (dry) 20 Meter 657 1448 Elevator 99 ± 1 91 ± 1 227 ±2 Max weight of non lifting components (everything except wings) BGA concession non-aerobatic max weight of non lifting components [+5%] Max front pilot (seat load) 445 981 467 1030 110 242 Rudder Left & Right 217 to 212 420 1 top hinge The aileron free play is measured at the aileron root with the stick locked. The elevator play is measured at the stick with the elevator locked. Max combined front and rear pilot weights (seat loads) Forward C of G limit (aft of datum) Aft C of G limit (aft of datum) Front pilot position (forward) Rear pilot position (forward) 210 mm 185 480 1350 240 463 Inches 7.28 18.9 53.15 9.45 Controls Moments & Moment weights cm Kg Rudder 7 - 10 Elevator 13 - 16 Inner aileron 5 - 7.08 Outer aileron 0.8 - 1.2 Weights Kg 4.4 - 5.1 4.3 - 5.1 4.0 - 5.0 0.4 - 0.6 Weighing Longitudinal datum: Wing root LE. Horizontal datum: Top of rear fuselage 1000: 33 tail down. The fin battery weighs 4,3 kg & is 5306mm aft of datum. The 3 nose ballast weights weigh 2,2 kg each and are 1920mm forward of datum, each reduces min front cockpit load by 2,9 kg. Tail tank A (wing water compensation) is 5032mm aft of datum, it holds 6.6 kg. Tail tank B (pilot weight compensation) is 5160mm aft of datum, it holds 12,3 kg. Maximum speeds Knots Kph Knots Kph VNE at altitude Knots Kph VNE 146 270 Aerotow 103 190 0-6600 feet 146 270 Rough air 103 190 Winch / auto tow 76 140 6600–10 000 138 256 Manoeuvre 103 190 U/C down 103 190 10 000–13 000 131 243 13 000–16 000 124 230 Notes :- 16 000-20 000 117 218 Max winch weak link: 1000 Kg (black) Tyre pressures: Nose wheel 2.5 bar, 36 psi. Main wheel 3 bar, 44 psi. Tail wheel 4 bar, 58 psi Semi aerobatic (“utility”) Cloud flying permitted, 750 Kg AUW (+5,3, -2,65 G at VA & +4 & -1.4 G at VNE). Aerobatic (Inverted flight) +7, -5 G at all speeds. Max AUW 625 Kg, 17.2 & 18M only, no water ballast. Max 3,5 G with airbrakes extended in all configurations. Replace the elevator rubber cord (bungee) every 5 years. Replace the brake fluid every 4 years with DOT 3, DOT 4 or SAE J 1703 fluid. Annual leak check of wheel brake system - hold full brake for 2 minutes. German (LBA) Type certificate number 348 This sheet compiled by: Tim Macfadyen Last update (aileron deflection change) 21 April 2007 Page 55 of 223