BGA glider data sheet - Standard Cirrus (fixed TP & elevator model)

See separate sheet for the all moving TP model.

Data source: Flight Manual

Date of issue: May 1986

Manufacturer: VTC Yugoslavia UK Agent: Southern Sailplanes

Phone: 0148 871774

Weighing Data:

Control deflections in mm

Kg Pounds

Max weight (with or without water)
No tips, non aerobatic, non cloud flying
Max weight 15M semi aerobatic & cloud flying

390 330

860 728

Up
Ailerons 6176

Down 28-38

Distance hinge to measuring point

Max free play

147 3

Max weight 16 meter (B version) & 15 meter version with winglets Max weight of non lifting components (everything except wings)
Except 16 M “B” version, see below
BGA concession non-aerobatic max weight of non lifting components [+5%] Except 16 M “B” version, see below Max pilot weight (seat load)

350 240 252 110

mm

Forward C of G limit (aft of datum) 280

Aft C of G limit (aft of datum)

420

Pilot position (forward of datum) 440

772 529 555 242

Elevator 44- 44-54 162 54

Rudder

Left Right 130- 180155 210

350

Max for & aft play of wing tip 30 mm total. Fit washers at root 13,95 mm ID 0,3 - 0,5mm thick.

The Max weight of non lifting parts with 16 M span is increased from the original 220 Kg to 233 Kg if 1.25 Kg weights are added to each wing, see TN 278-39. The BGA 5% non aerobatic concession will then apply.

Longitudinal datum: Wing root LE

Horizontal datum: Rear fuselage top 1000:51 tail down

Distance “a” main wheel aft of datum 122mm. Distance “b” main wheel to tail skid 3960mm.

Maximum speeds

Knots Kph

Knots Kph

VNE

119 220 Winch / auto tow 65 120

Rough air

119 220 Airbrakes open 119 220

Rough air G81 90

167 Manoeuvre

92 170

Aerotow

81 150

Max winch weak link: 500 Kg (BGA figure 600 Kg, Blue) Tyre pressure:

36 psi, 2,5 bar

Semi aerobatic and cloud flying permitted without water ballast, 15M span (no winglets) & max weight 330 Kg (728 lb). Otherwise non-aerobatic and no cloud flying.

Use under-wing statics for the ASI. Use nose statics for varios.

As far as is known only VTC/Jastreb in Jugoslavia made Standard Cirruses with fixed TPs, which they called the Standard CirrusG/81. This “G” is not to be confused with Grob built gliders which had serial numbers with a “G” suffex.

This sheet compiled by: Tim Macfadyen

Last update: 2 Jan 08 (TN 278-39 weight changes)

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