Grob Astir CS G102, Flight Manual

Page 1: ...r Serial Number Manufactured by Burkhart Grob Flugzeugbau 86874 Tussenhausen Mattsies Flugplatz Mindelheim Mattsies Telephone 08268 998 0 e mail productsupport grob aerospace de Germany Owner Publishe...

Page 2: ...Page 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 28 11 2005 28 11 2005 28 11 2005 28 11 2005 28 11 2005 28 11 2005 28 11 2005 28 11 2005 28 11 2005 28 11 2005 28 11 2005 28 11 2005 28 11...

Page 3: ...Record of weight alterations and weighing 7 Placards to be displayed in the cockpit 9 Notes on Flying the Glider 13 Emergency Procedures 16 Minimum equipment 18 Weight and center of gravity positions...

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Page 5: ...d 250 155 135 A S I Colour Code 33 92 kts Green Border 60 170 km h 92 135 kts Yellow Border 170 250 km h At 135 kts Red Strip bei 250 km h Weights lbs kp Empty Weight circa 560 255 Maximum permitted w...

Page 6: ...C of G 310 mm behind D L 12 20 in Maximum rearward position 480 mm behind D L 18 90 in Loading Limitations ASTIR CS Empty weight of glider and maximum cockpit load see page 7 Minimum cockpit load 154...

Page 7: ...28 Nov 2005 7 Record of weight alterations and weighing ASTIR CS Works Number Date of weight alteration Weighing by List of accessories Date Empty Weight lbs Empty Weight C of G position behind D L m...

Page 8: ...FLIGHT MANUAL ASTIR CS Rev 9 28 Nov 2005 8...

Page 9: ...ed limits km h rn p h knots Never exceed 250 155 135 in rough air 250 155 135 Manoeuvring 170 105 92 On aero tow 170 105 92 On winch tow 120 74 64 Airbrakes 250 155 135 Gear extended 250 155 135 Weak...

Page 10: ...NUAL ASTIR CS Rev 9 28 Nov 2005 10 Ballast Weight Pilot Weight Incl Parachute Quantity Total kg lbs 55 120 6 60 130 4 65 145 2 70 100 155 220 0 Cover of the container has to be closed tight Ballast we...

Page 11: ...anel left hand Cable Release In front of the stick on the left YELLOW knob DOWN Under carriage UP Handle moves in Slot on right of cockpit Trimmer On left of cockpit GREEN lever Air brakes On the left...

Page 12: ...Nov 2005 12 Graph of True v Indicated Airspeed showing the effect of Position Errors When the A S I is connected to the following pressure sources A S I Pitot head in tail fin static vents side of th...

Page 13: ...lifted off with 37 40 kts indicated the glider climbs on its own The undercarriage can be retracted whilst still on tow The yellow release knob is positioned on the left in front of the stick and shou...

Page 14: ...eight as a standard 2 seat glider when loaded with water ballast and a full cockpit load The slow flight and stalling characteristics of the fully loaded glider are a little different from one flown w...

Page 15: ...g root connecting pipes Stalling Characteristics Warning of the stall occurs at a speed of 32 35 kts depending on wing loading when the top of the tail unit begins to shudder If the stick is pulled ba...

Page 16: ...ntralizing all of the controls The height lost in returning to the normal flying position after a single rotation spin is about 220 ft If the glider fails to stop spinning immediately the controls hav...

Page 17: ...nd the glider ATTENTION Landing circuit check Height 500 ft Airspeed 50 kts WHEEL DOWN AND LOCKED Flying in rain A thin layer of water or ice on the wings leads to no deterioration in the flying chara...

Page 18: ...ty weight C of G positions and the Loading Limitations Chart are adhered to then the C of G of the loaded glider will lie within the permitted range Serial No 1001 1437 Serial No 1438 1536 Empty C of...

Page 19: ...FLIGHT MANUAL ASTIR CS Rev 9 28 Nov 2005 19 ASTIR CS Serial No 1438 1536...

Page 20: ...FLIGHT MANUAL ASTIR CS Rev 9 28 Nov 2005 20 Performance 350 kp 450 kp Best Glide Angle 37 3 95 38 105km h Minimum Sink m sec 0 6 75 0 7 85 km h Circling speed 80 85 90 95 km h...

Page 21: ...age Weight on main wheel G1 lbs Weight on tail skid G2 lbs Empty Weight GL G1 G2 lbs Displacement of main wheel a mm Displacement of tail skid b mm Empty Weight C of G G2 x b X a mm behind Datum Line...

Page 22: ...should be released and by moving the wing back wards and forwards they too can be made to snap into place To ensure that the wing fuselage joint is safely secured turn the socket catches towards the...

Page 23: ...ng the following check must be carried out to check the connections are secure After connecting the quick lock couplings make a visual check that the collar is extended forward over the bearing far en...

Page 24: ...oth and into the two fuselage bolts The unit is then locked in place when the metal pin in the front of the fin springs upwards and covers the long narrow slot Checks to be made after assembly 1 Check...

Page 25: ...le The following instruction has to be carried out Inspection of the airbrake locking levers for cracks in one of the 3 legs For a better inspection the Plexiglas pane can be removed for easier access...

Page 26: ...to ASTIR CS Registration Number Serial Number Manufactured by Burkhart Grob Flugzeugbau 86874 Tussenhausen Mattsies Flugplatz Mindelheim Mattsies Telephone 08268 998 0 e mail productsupport grob aeros...

Page 27: ...Nov 2005 2 List of effective pages Chapter Page Date Reference Maintenance Manual Cover Page 2 3 4 5 6 7 8 9 10 28 11 2005 28 11 2005 28 11 2005 28 11 2005 28 11 2005 28 11 2005 28 11 2005 28 11 2005...

Page 28: ...Nov 2005 3 Contents Contents page List of effective pages 2 Contents 3 Addenda 4 Maintenance 5 Annual Inspection 7 Life limited parts 8 Weights and moments of the control surfaces 9 Inspection Proced...

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Page 30: ...to contamination from dirt Therefore it must be inspected frequently for damage also regularly clean and b grease When the seat well is removed the hook can easily be taken out Remove the connecting w...

Page 31: ...d at the control connections of aileron and airbrakes at the wing fuselage joint and at the elevator connection to the pushrod The diameter of the swivel has to be measured at different points by a mi...

Page 32: ...the ball diameter When ordering advise the measured diameter D 0 1 mm Also advise gap width S as measured Remove spherical bolt from elevator Check bolt for cracks Upon re installation apply correct t...

Page 33: ...ing instructions may be ordered from GROB Life limited parts Mandatory Service Bulletin MSB 306 38 introduced the annual inspection and if required the exchange of the spherical bolt 102 3500 21 Manda...

Page 34: ...eron 16 00 kgcm 12 4 10 kg 12 The moments must be measured with the control surfaces removed To determine the moment M P x r the surface should be mounted at the hinge line with the minimum friction p...

Page 35: ...nspection program must be repeated when the glider has reached a service time of 6000 hours If the results of this inspection are positive or if any defects found have been duly repaired the service t...

Page 36: ...The results of the inspections have to be recorded in an inspection test report wherein comments are required for each inspection instruction If the inspections are done outside the manufacturer s fac...

Page 37: ...to ASTIR CS Registration Number Serial Number Manufactured by Burkhart Grob Flugzeugbau 86874 Tussenhausen Mattsies Flugplatz Mindelheim Mattsies Telephone 08268 998 0 e mail productsupport grob aeros...

Page 38: ...05 2 List of effective Pages Chapter Page Date Reference Repair Instruction Cover Page 2 3 4 5 6 7 8 9 10 11 12 28 11 2005 28 11 2005 28 11 2005 28 11 2005 28 11 2005 28 11 2005 28 11 2005 28 11 2005...

Page 39: ...ed parts 9 Repair of GRP laminate parts 9 Paint Work 9 Repair of Metal Fittings 11 Major Repairs 11 Construction details of additional equipment attachment fittings 12 Foreword The glider ASTIR CS is...

Page 40: ...ouble Twill Double Twill Chain Reinforced 161 390 433 92 110 92 140 92 146 Wings Double Twill Double Twill Chain Reinforced 161 276 433 92 110 92 125 92 146 Elevator and Rudder Double Twill 276 92 125...

Page 41: ...erial for Resin Microballoons Brown Lackfabrik Bader KG 7300 Esslingen Schlie fach 25 Cotton Flock Schwarzw lder Textil Werke Type FL 1 f 7623 Schenkenzell Postfach 12 Paint PE Schwabbellack Lesonal W...

Page 42: ...Conticell 60 8 mm Inner laminate 1 Layer 92125 2 Rumpf Von au en nach innen 1 Lage 92110 l ngs 1 Lage 92146 l ngs 3 Lagen 92140 diagonal Fuselage From outside to inside 1 Layer 92110 lengthwise 1 Laye...

Page 43: ...remaining glass fibres can be counted and identified Splicing and grinding are time consuming Grind away as much as necessary so that the added patches do not protrude from the contour If it is neces...

Page 44: ...piece of thin plywood support may be glued onto the inner skin with construction glue the cloth patch of the inner laminate can then be positioned The hole will then be filled in with resin and micro...

Page 45: ...tone With large damage a underlying support plywood should be used Wet laminate should not bridge a gap of more than 20 mm unsupported The plywood support can be held in place with glue and nails e g...

Page 46: ...Abb 3 Fig 3 Abb 4 Fig 4 Microballoons Kern Core Conticell 60 min 20 mm min 20 mm Au engewebe Outer cloth D nnes Sperrholz Microballoons Styroporkugeln Styropor balls Rumpfschale Fuselage skin 1 Lage 9...

Page 47: ...back to the original position c Main wing fuselage connecting rods The main connecting rod between wing and fuselage 4x in the fuselage contains 6 steel balls 6 mm in each fitting A sliding cover forc...

Page 48: ...ufacturer Other fitting points may be installed as shown Figure 5 The fitting shall be made as shown in the drawing so as to take the weight of the additional equipment Under loads of up to 10g no pie...