BGA glider data sheet - DG 300 & DG 300 /303 Elan

Data source: Manufacturer’s Handbook

Date of issue: May 1984

Manufacturer: Glaser-Dirks Flugzeugbau GmbH

Web site dgflugzeugbau.de

UK Agent: Bob McLean

Phone: 01904 738653

Fax: 01904 738146

Link to mandatory mods: http://www.dg-flugzeugbau.de/tech-mitteilungen-e.html

NOTE AD 2007-0100-E & TN359/24 reduce the speed and weight limits pending structural inspections. The new limits are given in red where they differ from the original figures. BGA extended weight concessions are also withdrawn until these inspections have been carried out.

Weighing Data:

Control deflections in mm

Kg Pounds

Max weight with water
Max weight dry - only applies to models without water ballast

525 450 385

1157 992 849

Ailerons

Up Down 62±3 31±3

Distance hinge to measuring point

Controls mass & moments

120

3 - 5,7 Kg 8 - 9,9 Kg cm

BGA concession non-aerobatic max weight dry (+3%)
Max weight of non lifting components (everything except wings)

396 N/A
246 240

874 N/A
542 529

Elevator 63±1 36±1 150

1,6 - 2,2 Kg 6,7 - 8,7 Kg cm

without pushrod

The elevator is neutral with a straight edge on top

of the elevator and rear part of the TP.

BGA concession non-aerobatic
max weight of non lifting components [+5%] Max pilot weight (seat load)

258 570 N/A N/A
110 242

Rudder 215 ± 5 left 414 2,5 - 4 Kg

and right

4 - 6 Kg cm (with mass ball)

Controls max free play (controls central)

Water ballast capacity
Forward C of G limit (aft of datum) Aft C of G limit (aft of datum) Pilot position (forward)

190 mm 160 325 549

419 Inches 6.3 12.8 21.6

With the elevator & both ailerons fixed 3 mm total at the top of the stick, fore & aft and side to side.
2 mm at one aileron with the other fixed.
Negligible play in the elevator connector.
Rudder axial play at top hinge 0,5mm.

Longitudinal datum: Wing root LE Horizontal datum: Rear fuselage sloping rear down 36.7: 1000 With a standard 2.16 Kg weights on the right of the panel, min cockpit weight is reduced 3.6 Kg per weight. Maximum fin ballast 5.5 Kg (12 lb). Fin ballast is 4180mm aft of datum. Max baggage 15 Kg (33 lb). Put a maximum of 1 Kg of water in the fin tank for every 28 Kg in the wings.

Maximum speeds

VNE at altitude

Knots

VNE
Rough air
Rough air
DG303 ELAN

146 135 108 95
96 95

Kph
270 250 200 175
178 175

Manoeuvre
Aerotow
Wheel down Winch / auto tow

Knots
108 95 108 95 108 70

Kph
200 175 200 175 200 130

Feet 6-10 000
10-13 000
13-16 000 16-20 000

Meters Knots 2 - 3 000 138
3 - 4 000 131

Kph 256
243

4 - 5 000 124 5 - 6 000 117

230 218

Max winch weak link: 680 daN (Blue)

Tyre pressure:

Main 49 psi (3.5 bar), rear 28 psi (2 bar)

Semi aerobatic without water. Non Aerobatic. Cloud flying permitted, without water.

This sheet compiled by: Tim Macfadyen

Last update 6 Feb 2008 (AD 2007-0100-E speeds and weights added)

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