BGA glider data sheet - Ventus 2c 15 & 18 meter (non Turbo) Data source: Flight Manuals Date of issue: Nov 1995 Manufacturer: Schempp Hirth, Flugzeugbau GmbH, Postfach 1443, D-73222 Kirchheim/Teck, Germany Phone:00 49 7021 7298-0 Fax: 00 49 7021 7298-199 www.schempp-hirth.com UK Agent: Southern Sailplanes Weighing Data: Phone: 0148 871774 Fax: Control deflections in mm Kg Pounds Up Down Distance - hinge to measuring point Max weight with water 525 1157 Elevator 54±2 50±4 161 Max weight dry 15 M 430 948 Ailerons 34±3 26±3 131 Max weight dry 18 M 441 972 Free-play - inboard ailerons ±2, between inboard and mid ailerons ±2, between mid and outboard ±1. Max weight of non lifting 250 components (everything except wings) BGA concession non-aerobatic max weight of non lifting components [+5%] 262 551 579 Rudder Left & Right 340 160±20 Flaps S1 31 ± 2 up 0° 0 ± 2 L 24 ± 2 down 131 Max mass baggage compartment 2 4.4 Weight kg Moment kg cm Max water capacity (approximately) 174 383 Elevator half 0.72 - 0.88 2. 5 - 3.5 Max pilot weight (seat load) 110 242 Rudder 4.0 - 5.0 -2.0 - 2.1 Flap/inner aileron 1.4 - 1.85 6.5 - 8.5 mm inches Mid aileron 2.0 - 2.5 2.7 - 3.5 Forward C of G limit (aft of datum) 200 7.87 Outer ailerons 15m 0.54 - 0.66 1.5 - 1.9 Aft C of G limit (aft of datum) 340 13.39 Outer ailerons 18m 0.7 - 0.9 2.1 - 2.7 Pilot position (forward of datum) 520 20.47 Tip ailerons 18m 0.18 - 0.23 0.45 - 0.55 Longitudinal datum: Wing root LE Horizontal datum: Rear fuselage top tail down 1000:44 Max fore & aft play at the wing tip 30mm. The water in the wings is 179mm aft of datum. Distance datum to wheel (a) 100mm. Distance wheel to tail skid/wheel (b) 4145mm. Fin water & battery are 4275mm aft, nose weights are 1740mm forward, battery at panel is 1095mm fwd. The three nose weights each weigh 2.1 kg (4.6 lb). Each reduces minimum cockpit load by 5 kg (11 lb). Maximum speeds VNE at altitude Knots Kph Height (Meters) Height (feet) Knots Kph VNE 146 270 3000 10 000 139 257 Rough air 97 180 4 000 13 000 132 244 Manoeuvre 97 180 5 000 6 500 125 232 Aerotow 97 180 6 000 20 000 119 220 Winch / auto tow 81 150 7 000 23 000 112 208 Flaps 0, +1, +2 & L 86 160 8 000 26 000 106 196 U/C down 97 180 9 000 30 000 100 185 10 000 33 000 89 164 12 000 40 000 81 150 Max winch weak link: 750 daN (Tost Red) Early models may be different, check flight manuals. Tyre pressure: 4 bar (58 psi). Tail wheel 2 bar (29 psi) Category “Utility” - Semi aerobatic and cloud flying permitted in 15 span and without water only. LBA Type certificate number 349 The hydraulic wheel brake takes Dot 3/Dot 5 brake fluid. This sheet compiled by: Tim Macfadyen Last update: 23 July 2009, winch weak link strength corrected Previous update: 10 April 2009, applicability to Turbo version removed Page 220 of 227