BGA glider data sheet - Diamant 16.5 meter

Data source: Manufacturers flight manual

Manufacturer: Flug-und Fahrzeugwerke AG, Alternrhein 9422, Staad SG, Switzerland

Link to mandatory mods:

Weighing Data:

Control deflections in mm

Kg Pounds

Up Down

Max weight with water

408 900

Measuring point

Max weight dry

390 860

BGA concession non-aerobatic max weight (dry) [+3%]

402

Water capacity

Max weight of non lifting 220 components (everything except wings)

886 485

BGA concession non-aerobatic max weight of non lifting components [+5%] Max pilot weight (seat load)
Forward C of G limit (aft of datum) Aft C of G limit (aft of datum) Pilot position (forward of datum)

231 509
mm Inches 241 9.5 406 16 610 24.0

Elevator

63.5± 5 63.5±5 TE at centre

Rudder

196 ± 10 left & right

TE at top

Ailerons Flaps neutral Flaps full + (+15°) Flaps full - (-12°)

44 ± 4 31 ± 4 48 ± 4

Flaps set +15° - 12° 0° 0°

Ailerons set Neutral Neutral Up Down

19 ± 4 31 ± 4
8±4

Outer ends

Flap travel 43 ± 3 Down 35 ± 3 Up 13 ± 2 Up 17 ± 2 Down

Measure flaps at their inboard ends.

Longitudinal datum: Wing root LE

Horizontal datum: Fuselage top immediately behind the canopy tail down 35 mm over first meter.

Nose weights are 65 inches (1650mm) forward of datum

Maximum speeds

Knots Kph

VNE

130 240

U/C down

Rough air

90 165

U/C operation

Manoeuvre

90 165

Airbrakes open

Aerotow

84 155

Flaps fully positive

Winch / auto tow 65

120

Always use full negative flaps above 110 Knots (204 Kph)

Knots 130 81 130 84

Kph 240 150 240 155

Max winch weak link: 923 Kg (Brown) Tyre pressure: 2 bar (30 psi). Semi aerobatic. Cloud flying is permitted. The rudder hydraulic damper must always be completely full of hydraulic fluid - ESSO UNIVIS J43
This sheet compiled by Tim Macfadyen Date 7 May 2003

Page 44 of 165