BGA glider data sheet - Ventus c 15, 16.6 & 17.6 M (Non turbo)

Data source: Manufacturer’s Flight & Maintenance Manuals

Date of issue: June 1987

Manufacturer: Schempp Hirth, Flugzeugbau GmbH, Postfach 1443, D-73222 Kirchheim/Teck, Germany

Phone: 00 49 7021 7298-0

Fax: 00 49 7021 7298-199

www.schempp-hirth.com

UK Agent: Southern Sailplanes Phone: 0148 871774

Fax:

Weighing Data:

Control deflections in mm

Max weight 15M

Kg Pounds 525 1157

Up

Down

Distance - hinge

to measuring

point

Max weight 16.6 & 17.6 M

500 1102

Ailerons ( 41 ± 4

32 ± 3

172 Check with flaps at -1

Max weight of non lifting components 241 (everything except wings)

531

Elevator

40 ± 4

47 ± 4

157

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

253 110

558 242

Max baggage compartment load

2 4.4

Rudder

Left & right 160±20

340

Flaps -2 Up 15 ± 2

172

-1 0 ± 2

Check with

L Down 46 ± 2

ailerons neutral

Max free play between inner & mid ailerons ± 2. Max free

play between mid & outer ailerons ± 1

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

mm Inches 200 7.87 325 12.8 518 20.4

Max fore & aft play at the wing tip 30mm.

Max free play

Each elevator Rudder Inner ailerons Mid ailerons Outer ailerons Tip ailerons 16.6 & 17.6

±3 Nil ± 3 at root See above See above See above

Weight kg
0.67 - 0.85 4.43 - 4.97 2.31 - 2.95 2.0 - 2.3 1.02 - 1.30 0.14 - 0.18

Moment kg cm 2.6 - 3.3 0 - 2.4 9.7 - 12.3 1.8 - 3.0 3.2 - 4.1 0.3 - 0.4

Longitudinal datum: Wing root LE

Maximum speeds

Knots

VNE

146

Rough air

97

Manoeuvre

97

Aerotow

97

Winch / auto tow

81

Flaps 0, +1, +2 & L

86

U/C extension

97

Horizontal datum: Rear fuselage top 1000:44 tail down

VNE at altitude

Kph Height (meters) Height (feet) Knots

270 3 000

9840

144

180 4000

13 100

137

180 5 000

16 400

130

180 6 000

19 680

123

150 7 000

22 960

116

160 8 000

26 240

110

180 9 000

29 520

103

10 000

32 800

97

12 000

39 360

84

Kph 267 253 240 227 215 203 191 180 156

Max winch weak link:667 Kg (Tost blue)

Semi aerobatic without water, cloud flying permitted

The wheel is 100mm aft of datum, the tail skid is 4096mm aft of the main wheel, (tail wheel 4066mm aft of main wheel).

The 2 kg (4.4 lb) nose weights each reduce min cockpit weight by 5 kg (11 lb).

Put a maximum of 1 kg of water in the fin tank for every 30 kg of water in the wings.

Tyre pressure: Up to 330 Kg (727 lb) AUW 3,5 bar (50 psi). Over 330 Kg (727 lb) AUW 4,7 bar (67 psi). Tail wheel 2 bar (28 psi)

The ASI is connected to the static vents under the wings. The nose and rear fuselage statics are connected together for varios.

This sheet compiled by: Tim Macfadyen

Last update: 10 April 2009 (minor clarifications)

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