BGA glider data sheet - Club Astir III, IIIb & Std Astir III

Data source: Manufacturer‟s Handbook

Date of issue: Jan 1981/1983

Manufacturer: Grob Present Type Certificate holder: LTB Lindner, website www.ltb-lindner.com.

UK Agent: Soaring Oxford Email: soaring.oxford@virgin.net Phone: 01636 525318 Fax: 01636 525287

Link to mandatory mods: www.ltb-lindner.com/g-102-ad-sb.html

Weighing Data:

Control deflections in mm

Max weight (dry)

Kg Pounds 380 838

Up Down Distance Max - hinge to free measuring play
point

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

391 863

Ailerons 67/83 38/50 168

Max weight with water (Std) No water in the Club III & IIIb

450 992

Elevator 60/72 53/65 166

Max landing weight
Max weight of non lifting 250 components (everything except wings)

551

Rudder Left & Right 370 182/197
Control surface weights & moments

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

262 579 110 242

Elevator

Moment cm Kg

Weight Kg

12,1 ±10% 2,6±12%

C of G limits

mm Inches

Forward C of G limit (aft of datum) 310 12.2

Rudder

8,0 + 4% - 15%

5,6 + 8% - 10%

Aft C of G limit (aft of datum)

480 18.90

Pilot position (forward of datum) 552 21.73

Ailerons serial numbers 5501 to 5529 Ailerons serial numbers 5530 onwards

8,0 + 8% - 15%

4,8 ± 15%

10,6 + 4% 4,0 ± 15% - 15%

Longitudinal datum: Wing root LE (not the fairing).Horizontal datum: Rear fuselage top 1000:43.3 tail down

Maximum speeds

Knots Kph

Knots Kph

VNE at altitude - feet Knots Kph

VNE

135 250 Winch / auto tow 65 120 6500-10000

128 237

Rough air 92

170

10000-13000

121 225

Manoeuvre 92

170

13000-16500

115 213

Aerotow 92 170

19000 +

109 202

Max winch weak link: 550 Kg (BGA figure blue, 600Kg)

Tyre pressure:36 PSI 2.5 bar. All wheels.

Semi aerobatic, cloud flying permitted without water.

Notes: -

The Club III has a nose wheel, fixed main wheel & tail wheel. The Club IIIb has a fixed main wheel & tail wheel. The Standard III has a retracting main wheel and water ballast. The Club versions do not have water ballast.

The standard 8,6 Kg ballast weight on the left of the stick reduces minimum pilot weight by 15 Kg.

This sheet compiled by: Tim Macfadyen

Previous update 31 Dec 2007 (Minor clarifications)

Last update 29 May 2011 Type Certificate holder changed & rough air speed reduced as per the TCDS

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