BGA glider data sheet - Speed Astir II & Speed Astir II B

Data source: Manufacturer‟s Handbook

Date of issue: Oct 1979

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: Max weight with water

Kg Pounds 515 1135

Max weight (dry)

400 882

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

412

Max pilot weight (seat load)

110

Max weight of non-lifting 260 components (everything except wings)

908
242 573

BGA concession non-aerobatic max weight of non-lifting components [+5%]

273 602

C of G limits (aft of datum)

Up to serial Forward C of G limit

4038

Aft C of G limit

mm 320 490

From serial Forward C of G limit

4039 on

Aft C of G limit

265 435

Pilot position (forward) Speed Astir II 578

Pilot position (forward) Speed Astir II B 620

Inches 12.60 19.29 10.43 17.13 22,8 24,4

Control deflections in mm

Up Down Distance - Max

hinge to measuring point

free play

Ailerons 55 27 150

Flap 0° ±6

±3

Elevator 66 59 166

±6 ±6

Flaps Rudder

26±3 37±4 set at set at -7° +10° Left & Right 170+5 -10

200 320

Control surface moments & weights

Moment cm Kg

Weight Kg

Elevator Rudder Ailerons Flaps

7,6 ± 5%

3,8 ± 12%

9,0 ± 12% 3,3 + 8% - 12% 32 ± 12%

3,0 ± 12% 6,1 ± 12% 4,2 ± 12%

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 Knots Kph - feet

VNE

146 270 Winch / auto tow 65 120 6500-10000 137 256

Rough air 102 190

10000-13000 130 243

Manoeuvre 102 190

13000-16500 124 230

Aerotow 92 170 Positive flap 102 190 19000 +

117 218

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

Tyre pressure:50 PSI 3.5 Bar (tail wheel 22-26 psi)

Semi aerobatic and cloud flying permitted (without water).

The Speed Astir IIB was made from serial no. 4028, this changed and elongated the forward fuselage.

This sheet compiled by: Tim Macfadyen

Previous update: 31 Dec 2007 (minor clarifications)

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

TCDS

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