Grob TWIN-ASTIR Flight Handbook Download | Manualshive

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N8485W

3250

Utah Soaring Association

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Summary of Contents for TWIN-ASTIR

Page 1: ...at atl times Jt refers to the TWIN ASTIR Sailplane Registration Factory Serial Number Owner German edition of operating instructions are approved under 12 2 of LuftGerPO Published Approval of transla...

Page 2: ...be carried on board at all times lt refers to the TWIN ASTIR TRAINER Sailplane Registration Factory Serial Number Owner German edition of operating instructions are approved under 12 2 of LuftGerPO P...

Page 3: ...w Control Levers 1 10 78 3 18 New Control Levers 1 10 78 4 25 Check of wing 1 10 78 5 25a Fittings 1 10 78 6 1 28 Service Butletin 28 09 92 315 50 7 1 25 25a TM 315 58 04 11 96 8 1 7 1 1 As a 315 64 3...

Page 4: ...11 5 Flight envelope 7 11 6 Weight limits 8 11 7 Centre of gravity position 8 11 8 Load scheme 8 11 9 Tow hooks 10 11 10 Weak link strength 10 11 11 Tire pressure 10 11 12 Cros swlnds 10 11 13 Requir...

Page 5: ...peed flight 22 IV 8 Cloud flying 22 IV 9 Simpre Aerobatics 23 IV 10 Approach and landing 24 IV 11 Flying with waterballast 24 V Rigging and derigging V 1 Rigging derigging 25 V 2 Storage 26 V 3 Transp...

Page 6: ......

Page 7: ...FLIGHT HANDBOOK TWIN ASTIR 5 I...

Page 8: ...remarks In the flight handbook and the maintenance handbook concerning retractable undercarriage and water tanks do not apply to the TWIN ASTIR TRAINER The wheel brake of the TWIN ASTIR TRAINER is a...

Page 9: ...eight 650 kg 14351bs Maximum Wing Loading 36 5 kg m1 7 841bs ft 2 The LFSM Lufttuchtigkeitsforderung fUr Segelflugzeuge und Motor segler published 23 10 1975 are the basic rules and requirements for t...

Page 10: ...the maximum speed at which full control deflec tions may be used At maximum speed VNE the control deflections should be restricted to 1 3 of the full range Air speed indicator markings 51 105 mph 44 9...

Page 11: ...the payload distribution specified in the loading plan 11 8 The exact position of the centre of gravity at flying weight can be calculated according to VI 5 11 8 Load scheme TWIN ASTIR Minimum load in...

Page 12: ...G H T HANDBOOK TWI N ASTIR 9 Date of Equipment Position of Maximum wetghlng list used Empty cg empty total carried out for weighing Weight behind refe payload by dale kg lb9 rence kg lbs mm inches r 1...

Page 13: ...0 launches which ever occurs first at which time they are to be recertified by the manufacturer 11 10 Wuk link ttrength recomme if f AI t Z J t A Winch launch and aerotow 0 kg 1323 66 lbs ie Tost weak...

Page 14: ...m in Front cockpit for all flight Less must be compensated with ballast secured in the seat Maximum load front Maximum load back Simple aerobatics air speeds Recommended entry speed Loop Stall turn Sp...

Page 15: ...it Canopy Jettison and Emergency Exit Pull red handles on right and left of canopy fully back together Push canopy up and away with the left hand Release safety harness Stand up and get out over left...

Page 16: ...FLJGHT HAND6 0 0 K TW JN AS T I R 11 14 Symbols IOJ 13 Undercarriage retract Canopy open CanopyJeUson Waterballaat Jetlson Trim Airbrakes Wheelbrake...

Page 17: ...F Ll G HT HA N D B 0 0 K TW I N AS T t R Symbols ti QQ Cable release Air vent Top left of front Instrument panel Pe al adjustment Top right of front Instrument panel Total energy compensation tube 14...

Page 18: ...right side depending on the attitude d When using a manual parachute grip release handle and pull firmly to full extent after 1 3 seconds Ill 3 Landing with retracted undercarriage lt is possible on h...

Page 19: ...side of the cockpit The original certification was carried out using a Winter 6FMS4 2 and a PZL PR 400 S Airspeed indicator A similiar FAA approved airspeed indicator to meet TSO C 2 reading to 300 k...

Page 20: ...ls Front Seat 1 Stick 5 Undercarriage lever 2 Rudder pedals 6 Release knob 3 Airbrake lever and wheelbrake 7 Canopy jettison 4 Trim lever 8 Water ballast jettison Ventilator top of Instrument panel le...

Page 21: ...FLIGHT HANDBOOK TWIN ASTIR IV 1 Cockpit and controls Back seat 1 Stick 4 Trim lever 2 Rudder pedals 5 Undercarriage lever 3 Airbrake lever and wheelbrake 6 Release knob 7 Canopy jettison 18...

Page 22: ...ons for condition freedom of movement and play c Check alrbrakes for condition locking and fit 3 Check fuselage for damage especially on the underside 4 Check tall unit for correct assembly and that s...

Page 23: ...FLIGHT HANDBOOK TWIN ASTIR I N Preflight Inspection Checkpoints compare IV 2 20...

Page 24: ...ncy to balloon up or to swing on the ground One should push forward slightly on the stick below about 100 metres 330 ft in the case of fast launches from a powerful winch When the cable slackens pull...

Page 25: ...h With Airbrakes 75 km h 40 5 kts 47 mph With Airbrakes 90 km h 49 kts 46 mph If the stick is pulled back further the glider goes into a controllable high rate of sink during which rudder and aileron...

Page 26: ...try speed 180 km h 97 kts 111 mph At 140 km h 76 kts 87 mph slowly apply rudder Shortly before the top apply opposite aileron Note The stall turn is difficult to carry out because of the high moment o...

Page 27: ...ging the alrbrake setting during the roundout to avoid heavy landing IV 11 Flight with waterballast The water tanks are In the front of the wings and can hold about 50 I 11 gal per wing The tanks are...

Page 28: ...elease the safety catches on the left hand fuselage fittings and by gently moving the wing to and fro they too can be made to snap into place Original wing fuselage connection To secure the wing fitti...

Page 29: ...he locking 2 The aileron and brake connections lie behind the spar The short connecting rods in the fuselage are fitted with quick lock fasteners which must be coupled onto the balls on the linkages t...

Page 30: ...l If necessary the wing bolt has to be turned a 1 4 turn to suit Derigging is carried out in the opposite order and the wing bolt is turned anticlockwise and pulled fully out Checks to be made after a...

Page 31: ...block with a minimum length of 300 mm and height of 400 mm The mounting must be padded with felt 3 Tailplane Either horizontal on padded supports with the upper surface downwards and secured with stra...

Page 32: ...t For further details the manufacturers manuals should be consulted The cables and pulley for the nose and belly hooks should be checked tor wear during the yearly inspection The main wheel tire press...

Page 33: ...t 2 Best glide Angle 37 0 37 5 38 0 at a speed of 95 51 105 57 110 60 km hr kts Minimum sink 0 62 2 03 0 68 2 23 0 73 2 3 m sec ft sec at a speed of 75 40 80 43 90 49 km hr kts VELOciTY Jkts 0 10 w oo...

Page 34: ...nding or corrosion 6 The controls Including the brakes should be submitted to a func tional test and the control deflections checked 7 If the controls do not move free throughout their range search fo...

Page 35: ...maintenance and examination of the release hooks One Is bound by the Maintenance Manuals for the nose hooks E 72 and E 75 published In May 1975 and the Maintenance Manual for the belly hooks Europa G...

Page 36: ...r fuselage Weigt t on main wheel Weight on tail skid Empty Weight Gl Gt Dtstance to main wheel Distance to tail sl id Empty Weight C of G X Gt G2 G2 a b j kg I lbs kg lbs kg I lbs mm 1 inches mm inche...

Page 37: ...28 50 430 948 682 26 85 720 28 35 lt should be noted that to make use of the maximum load the maximum admissable load for non lifting parts must not be exceeded The weight of the non liftlng parts Is...

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