BGA glider data sheet - T.21b (Sedberg) Data source: Flight Manual Date of issue: Manufacturer: Slingsby Phone:01751 432474 Fax: 01751 431173 Link to mandatory mods: Weighing Data: Max weight (dry) BGA concession non-aerobatic max weight (dry) [+3%] Kg Pounds 476 1050 491 1082 Max pilot weight (max seat load 102 225 on each seat) Forward C of G limit (aft of datum) Aft C of G limit (aft of datum) Pilot position (aft of datum) mm 597 775 32 inches 23.5 30.5 1.25 Control deflections in inches Up Down Distance - hinge to measuring point Ailerons 5.4 3.6 Measured ±0.25 ±0.25 at root Elevator 7.6 7.6 Measured ±0.25 ±0.25 at root Max free play Trim Rudder Spoiler Left 15 ±1 7.5 ±1* Right At TE 15 ±1 Measure from TE top of spoiler to back top of cutout in wing (spoilers fully open). *½ inch max difference between wings. Longitudinal datum: Wing root LE Horizontal datum: Top longeron of rear fuselage horizontal. Maximum speeds Knots Kph VNE 92 170 Aerotow Rough air 65 120 Winch / auto tow Manoeuvre 65 120 Spoilers open Knots 65 55 Kph 120 102 Max winch weak link standard hook: 1000 lb (BGA figure 500 Kg Tost white) Max winch weak link with BGA belly hook modification: 600 Kg (Tost blue) Tyre pressure:43 - 47 psi Semi aerobatic - Cloud flying permitted Notes: Span 16.5 meters This sheet compiled by: Tim Macfadyen Last update 2 Nov 2007 Pilot position in mm corrected Previous update 20 Oct 2006 Belly hook Mod. info added Page 206 of 224