BGA glider data sheet - Discus 2cT Data source: Flight Manual Date of issue: January 2005 Manufacturer: Schempp Hirth, Flugzeugbau GmbH, Krebenstraße 25, D-73230 Kirchheim/Teck, Germany Phone:00 49 7021 7298-0 Fax: 00 49 7021 7298-199 www.schempp-hirth.com UK Agent: Southern Sailplanes Phone: 0148 871774 Weighing Data: Control deflections in mm Kg Pounds Max weight (with water) 15M 525 (=Max landing weight) 18M 565 Max wt baggage compartment 2 1157 1246 4.4 Ailerons Up Down 63±3 30±3 Distance hinge to measuring point Max free play 152 ±3 Max weight of instruments 10 22 Max pilot weight (seat load) 110 242 Max weight of non lifting 305 671 components (everything except wings) Elevator 44 44 141 ±3 +3 -2 +3 -2 Rudder Left & Right 330 160 ± 20 Max freeplay between inboard and outboard ailerons ±1 Note:- There is no BGA concession on the max weight of non lifting components. Because this (turbo) glider is non aerobatic it is not possible to increase its weight and reduce its category to non aerobatic. Forward C of G limit (aft of datum) Aft C of G limit (aft of datum) mm 280 420 Inches 11.02 16.54 Pilot position (forward of datum) 500 19.69 For the controls weight and balance see manufacturer’s handbook Longitudinal datum: Wing root LE Horizontal datum: Rear fuselage top 1000:44 tail down. Distance wheel behind datum (a) 128mm. Main wheel to tail wheel/skid (b) 4145mm Max fore & aft play at the wing tip 30mm total. Max play between inner & outer ailerons ±1 mm. Maximum speeds VNE at height Knot Kph s Height (meters) Height (feet) Knots Kph VNE 151 280 3 000 9 843 144 267 Rough air 103 190 4 000 13 123 137 253 Manoeuvre 103 190 5 000 16 404 130 240 Aerotow 97 180 6 000 19 685 122 227 Winch / auto tow 81 150 7 000 22 966 116 215 U/C lowering or raising 97 180 8 000 26 247 110 203 Engine extended ign on Engine extended ign off Extending engine (max) Min speed extending engine 81 97 65 49 150 180 120 90 9 000 10 000 29 528 32 808 103 191 97 180 Max winch weak link: 735 Kg (Blue) Tyre pressure: 4 bar (58 psi), tail wheel 2.5 Bar (36 psi). Cloud flying permitted at max weights of 410 Kg (904lb) 18 meter and 455 Kg (1003 lb) 15 meter. Non aerobatic with the engine in, semi aerobatic with the engine out & max AUW 410 Kg. Each (2.2 kg) lead weight in the nose reduces min cockpit load by 5 kg (weights are 1760mm forward of datum). Fill 1 litre of water in the tail tank for each 23 litres of water in the wings. This sheet compiled by: Tim Macfadyen Date: 14 April 2009 Page 68 of 227