BGA glider data sheet - LAK 12 Data source: BGA Data sheets & Manufacturer’s Manual Manufacturer: Sportine Aviacija UK Agent: Web site: Date of issue: Phone: Fax: Weighing Data: Max weight with water Max weight (dry) Kg Pounds 650 1433 430 948 BGA concession non-aerobatic max weight (dry) [+3%] Max weight of non lifting components (everything except wings) BGA concession non-aerobatic max weight of non lifting components [+5%] Max water Max pilot weight (seat load) Forward C of G limit (aft of datum) Aft C of G limit (aft of datum) Pilot position (forward) 443 976 190 420 mm Inches 236 9.29 365 14.37 689 - 27.0 856 33.7 Control deflections in mm Up Down Max free play Max 0,5mm at all hinges Ailerons 23° ± 1° 12° ± 1° 2,5mm at TE (Flaps neutral) Elevator 18° ± 1° 18° ± 1° 2mm at TE Rudder 30° ± 2° left & right 5mm at TE Flaps -7° ± 1° -4° ± 1° 0° ± 1° +5° ± 1° +11° ± 2° +15° ± 2° 2,5mm at TE The TP max free at the tip is 5mm up/down and 5mm fore/aft. Max movement of the whole TP fore and aft is 0,5mm. Longitudinal datum: Wing root LE Horizontal datum: Top of rear fuselage 1000:31.2 tail down Maximum speeds Knots Kph Knots Kph VNE 135 250 Aerotow 75 140 Rough air 95 175 Winch / auto tow 75 140 U/C extending 75 or retracting 140 Flaps down 95 175 +5°, +11° & +18° Max winch weak link: 600 Kg (Blue) Tyre pressure:Main 38 psi (2.6 bar) Semi aerobatic & cloud flying permitted without water ballast Span 20.42 meters This sheet compiled by: Tim Macfadyen Last update 3 May 2008 (Flap max deflection corrected) Page 130 of 226