BGA glider data sheet - DG 500 Trainer (18 meter un-flapped)

Data source: Manufacturer’s flight & maintenance manuals Date of issue: 1995

Manufacturer: Glaser-Dirks Flugzeugbau GmbH

Web site dgflugzeugbau.de

UK Agent: Bob McLean Web site:

Phone: 01904 738653

Fax: 01904 738146

Link to mandatory mods:

Weighing Data:

Control deflections in mm

Max weight (take off & landing)

Kg Pounds 615 1356

Up Down Distance hinge to measuring point

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

633 1397

Ailerons

75 ± 3 38 ± 3 144

Elevator

99 ± 1 91 ± 1 227

Max free play
± 1.5
±2

Max weight in baggage compartment
Max weight of non lifting components (everything except wings)
BGA concession non-aerobatic max weight of non lifting components [+5%]

15 33 435 959 457 1007

Rudder

Left & Right 217 to 212

420

1 top hinge

The aileron free play is measured at the aileron root with the stick locked. The elevator play is measured at the stick with the elevator locked.

Also, with both ailerons locked (central) the maximum free play at the stick is ± 2 mm.

Max front pilot (seat load)

110 242

Max combined front and rear pilot weights (seat loads)
Forward C of G limit (aft of datum) Aft C of G limit (aft of datum) Front pilot position (forward) Rear pilot position (forward)

210
mm 185 480 1350
240

463
Inches 7.28 18.9
53.15 9.45

Controls Moments & Moment

weights

cm Kg

Rudder

7 - 10

Elevator

13 - 16

Ailerons

5-7

Weights Kg
4.4 - 5.1
4.3 - 5.1
4.0 - 5.0

Weighing Longitudinal datum: Wing root LE. Horizontal datum: Top of rear fuselage 1000: 33 tail down. The fin battery weighs 4,3 kg & is 5306mm aft of datum. The 4 nose ballast weights weigh 2,16 kg (4.76 lb) each and are 2455mm forward of datum, each reduces min front cockpit load by 3.7 kg (8.16 lb).

Maximum speeds

Knots Kph

Knots Kph

VNE at altitude

VNE

146 270

Aerotow 111

205

Altitude - feet

Meters

Knots Kph

Rough air 111

205

U/C down 111

140

0 - 6600

0 - 2 000 146

270

Manoeuvre 111

205

Winch / 76

205

6600 – 10 000 2 - 3 000 138

256

auto tow

10 000 – 13 000 3 - 4 000 131

243

Notes :-

13 000 – 16 000 4 - 5 000 124

230

Max winch weak link: 1000 Kg (black)

16 000 - 20 000 5 - 6 000 117

218

Wing oscillating frequency approximately 150 cycles per minute.

Tyre pressures Nose wheel 2.5 bar, 36 psi. Main wheel 2,5 bar, 36 psi. Tail wheel 4 bar, 58 psi

Semi aerobatic (“utility”) & cloud flying permitted without water (+5,3, -2,65 G at VA & +4 & -1.4 G at VNE).

Aerobatic (Inverted flight) +7, -5 G at all speed without water ballast.

Max 3,5 G with airbrakes extended in all configurations.

Replace the elevator rubber cord (bungee) every 5 years. Hydraulic disk brake - replace the brake fluid every 4 years

with DOT 3, DOT 4 or SAE J 1703 fluid. Annual leak check of wheel brake system - hold full brake for 2 minutes.

German (LBA) Type certificate number 348. Retracting U/C (with disk brake) & water ballast are options.

This sheet compiled by:

Tim Macfadyen

Date: 24 Sept 2002

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