WINCH OPERATORS MANUAL Revised Edition
Contents
1. The cable assembly is attached to the glider s release mechanism by means of a circular steel link which is attached to the launch strop via a larger steel link Any wear or distortion of either the link or of the release mechanism renders the cable release unserviceable It is October 2002 Web Edition Page 20 of 22 Winch Operators Manual also desirable that the release mechanism and the attachment links should be of the same make The use of Ottfur cable rings is no longer recommended due to the risk of permanent distortion or failure when employed at loads in excess of 1650 Ibs n Recommended cable configuration Weak link in section ot Na i v ence ja a WR N us MOP 4 5mm launch cable e Small strop UN i made of fy br shroud line material heme ba Ha Special chute j Canopy diameter 11 Canopy length 5 Shroud lines 8 Quick release hook amp ring Winch cable Tost rings P haere cde October 2002 Web Edition Page 21 of 22 Winch Operators Manual October 2002 Web Edition Page 22 of 222. On ALL OUT signal accelerate smoothly to retrieve speed Do not move cables if a stop light is showing Monitor the winch during the retrieve for a STOP signal If you stop the tow out before reaching the launch point do not start again without a signal from the winch driver Drive in a straight line to the launch point Aim to arrive approximately a vehicles width beside the wing tip of the upwind glider If a weak link breaks during the retrieve then continue with the other cable to the launch point BUT ONLY IF NO STOP LIGHT IS SHOWING Treat as for a cable break If the cable run deviates from a straight line then inform the Duty Instructor and the winch driver before the next launch It is important not to launch with a risk of crossed cables Avoid excessive use of the brakes to stop at the launch point This helps prevent the winch drums from over running Allow the drag of the cables to bring the vehicle to a halt Back up the retrieve vehicle to relieve tension in the cables Allow swivels to stop rotating before removing the cables For the safety of personnel the launch strops must be flaked or coiled at the launch point not laid out Cable breaks Discuss possible action with winch driver Carry a tyre on the retrieve vehicle to attach to the live winch end of the cable Return the broken end to the winch only after receiving an all clear UP SLACK signal from the signals controller or after making sure that bot
3. See below 10 When cables have been pulled out a Apply winch drum brake s b Ensure transmission is dis engaged c Warm up winch engine to operating temperature October 2002 Web Edition Page 4 of 22 Winch Operators Manual 4 DAILY INSPECTION OF CABLES AND PARACHUTES SAFETY NOTE While work is being carried out on a cable the engine should not be run nor should any cable retrieve mechanism be used Note This daily inspection is MANDATORY The purpose is a visual inspection to ensure serviceability of the whole length of cable to be used CABLES 1 Cut out short lengths of unserviceable cable worn ferrules and closely spaced joins and replace using the procedure described under Cable Repair Procedures See page11 2 If a new section of cable is required refer to Cable Renewal See page 12 PARACHUTES STROPS AND WEAK LINKS BGA Operational Regulation 4 4 states The glider end of all launching cables must be fitted with linked rings designed to fit the release mechanism of the glider Distorted or cracked rings may not be used 1 Inspect the parachute canopy for wear tear and security of shroud attachments 2 Check for tangled twisted or broken shroud lines If the parachute is defective obtain a replacement and enter replacement in the Defect Log 3 Inspect all connectors shackles and quick release units for security wear and damage and ensure that they function freely and correc
4. dua ME cuni 18 APPENDIX F CABLE CONFIGURATION inno nino tror riu c un i raa 20 October 2002 Web Edition Page 1 of 22 Winch Operators Manual 1 Introduction This manual deals with the theory and practice of launching gliders by winch and is an updated version of the original edition published in June 1997 This web version omits the theory section this can be found in the printed version available from the BGA office There has been a marked resurgence of interest in winch launching at BGA member clubs for both financial and environmental reasons If the gliding movement is to recruit younger members flying training has to be provided at an affordable price Winch launching offers a low cost safe and reliable method of getting airborne Environmental pressures are steadily increasing and an environmentally friendly and virtually noiseless method of launching gliders is for many sites the only option acceptable to the Planners The development of efficient high powered high acceleration winches has revolutionised the technique of winch launching both for the pilot and for the winch operator The safe exploitation of such equipment has involved a great deal of reorganisation and re training at many clubs This manual aims to condense some of the knowledge and experience gained from the practical operation of modern high powered Tost winches at the Southdown Club at Parham and the RAFGSA at Bicester It also e
5. to ensure correct operation but at a minimum frequency a as recommended by the winch manufacturer b after any repairs to the guillotine Operate guillotine system from the winch cab Ensure that the cable is severed cleanly If the cable is not severed completely dismantle the guillotine system clean and if necessary replace worn or defective parts with sound parts reassemble and carry out a further functional test A record of guillotine inspection and testing should be kept on the daily log sheets see Appendix A October 2002 Web Edition Page 16 of 22 Winch Operators Manual APPENDIX D SUPPLEMENT BEST PRACTICE RECOMMENDATIONS FOR ENSURING THE SAFE AND EFFECTIVE OPERATION OF WINCH CABLE GUILLOTINES D 1 D 2 D 3 D 4 D 5 D 6 D 7 NB Reliance upon an axe or bolt cutters as the sole method of cutting cables should be discontinued as this is an impractical and dangerous practice particularly when the cable is moving highly loaded and vertical the glider having overflown the winch Operational Regulation 4 8 Laws and Rules for Glider Pilots June 2003 states that all winches must be fitted with approved cable cutting guillotines As a minimum requirement guillotines should be able to sever a moving 5 mm diameter multistrand steel cable or a 3 5 mm diameter single strand high tensile steel cable which is not under tension Guillotine systems should be maintained in accordance with the ma
6. WINCH OPERATORS MANUAL Revised Edition October 2002 Web Winch Operators Manual 1 INTRODUCTION se xd anion Geo D nera e cf a 2 2 DAILY INSPECTION Dl tveai nisa epe nin e d aea ar ad da ag 3 3 SEXTING GP THE WINCH RE Rad nix die RE d Gre Ce xa a us 4 4 DAILY INSPECTION OF CABLES AND 5 5 SIGNALS OPERATOR do curas dai da eae bcn EK laka x 6 6 CABLE RETRIEVE INSTRUCTIONS FOR RETRIEVE DRIVERS 7 7 LAUNCH PROCEDURES Es Pa du Read an ebd aine cL ua d DG dw a vi naar 8 8 EMERGENCY PROCEDURES icu iihakcoonedis eas pel CK nuu p us R a NU IUS KE CEPI kaia 9 9 CABLE REPAIR PROCEDURES odo col e d 11 10 CLOSEDOWN innt nnn tenen innt 12 11 CABLE RENEWAL change aar epu os FE pui He RR RE E od EV 12 APPENDIX A DAILY LOG SHEET ebria Prid enira Coi dica aeg REED 13 APPENDIX B MONTHLY 14 APPENDIX ANNUAL 15 APPENDIX D GUILLOTINE SYSTEM ROUTINE CHECKS 16 APPENDIX D SUPPLEMENT iciciceund nnda ennt nnb ac o en n aaan 17 APPENDIX E TOST WEAK LINK esi dames natur da nak Seo RUM o
7. achute is attached to the weak link assembly using another strop of shroud material The weak link assembly incorporates a link to suit the glider being launched see Appendix E and this remains with the parachute assembly At some sites a selection of weak links suitable for launching each of the glider types in the club s fleet may remain permanently attached to the parachute assembly This is convenient but calls for extra care in ensuring that the correct link is chosen for each launch N B The Tost weak link system is designed for use either with a single link or with double links If the double link system is employed it is essential that the links are of different design the main link having round holes and the reserve link having slotted holes Using two weak links each of the same design doubles the breaking load and renders the whole assembly ineffective Because of the risk of assembling two weak links incorrectly the single link assembly is recommended as the more foolproof system A quick release coupling attaches the launch strop to the weak link assembly The launch strop is constructed either of steel cable shrouded in plastic hose or of heavy hemp rope It is essential that the strop does not store energy or it may catapult back to the glider following a launch failure The length of the strop must be such that it cannot foul any of the control surfaces of the glider following a failure of the cable or the weak link
8. e 2 of 22 Winch Operators Manual 2 DAILY INSPECTION DI BGA Operational Regulation 4 2 states All equipment used for launching including the wire rope or cable must have been inspected and approved as serviceable each day before being used Winches and tow cars shall as a minimum be checked for sufficient fuel oil and water for the proposed launches and for serviceability of the cable cutting or releasing mechanism Before the first launch of the day all winches and prime movers are to be given a daily maintenance in accordance with the following schedule Item Fuels Coolant Oils Brakes Warning Lights amp beacons Prime mover and winch cabs Pay on gear all rollers and pulleys Cable cutting and joining equipment Tyres Guillotine General Safety Note Safety Check D 1 Book Action Check Ensure contents are sufficient for the day s operation Replenish as necessary Check coolant level No obvious leaks Check levels in engine and transmission Check operation and brake fluid level Check warning lights and gauges for correct indication and function Check clear of broken cable and debris All controls accessible and free Check serviceability and freedom of movement Examine Ensure serviceable and adequate cleats for day s operation Visual Check Operational and checked within last month Check for oil leaks from engine s transmission drums pay on gear and brakes Check fuel
9. eak or an instructor simulated break the winch driver may require an all clear take up slack signal before pulling the cable back to the winch The broken end is towed to the winch for repair In either case in cooperation with the winch and retrieve vehicle drivers use the established communication system to ensure safe movement of the cables Be especially watchful during this procedure and keep people clear of the cables etc After the Launch Cable is clear In a multi cable winch ensure that the first cable is clear and it is safe to handle the second cable Do not allow the second cable to be handled while the first is live as there is always a risk of the two cables becoming entangled and the second cable thus becoming live also Confirm to the launch point when the cable is clear October 2002 Web Edition Page 6 of 22 Winch Operators Manual 6 CABLE RETRIEVE INSTRUCTIONS FOR RETRIEVE DRIVERS BGA Recommended Practice RP 8 states 10 Cables get crossed easily on a multiple pull out If the pull out has not been straight or it is suspected that the cables are close together they should be separated before the start of the launch Wait in a safe area until launching is completed Attach the tow out weak links 350 Ibs to the retrieve vehicle On signal TAKE UP SLACK Move gently forward Do not snatch the cables The winch driver should use the drum brakes to tension the cables clear of the ground
10. eering linkage Checking the amount of free play at the steering wheel will indicate the degree of wear in the steering box and linkage Rectify faults to ensure safe vehicle handling Check all steering ball joints for lift or excessive free play Rectify faults to ensure safe vehicle handling Check brake pads Adjust and carry out functional checks October 2002 Web Edition Page 15 of 22 Winch Operators Manual APPENDIX D GUILLOTINE SYSTEM ROUTINE CHECKS The Guillotine is a vital safety feature of any winch and it is essential that the cable cutting equipment is maintained so that it will work efficiently if needed in an emergency There is a wide range of types and it is vital to protect and preserve the cutting edge in order to maintain effective operation SERVICEABILITY CHECK To ensure correct operation the guillotine should receive a serviceability check as and when required It is advised that this check is performed at least once every month The frequency of this check is dependent amongst other things upon the dirt and debris collected upon the guillotine mechanism from the passing cable it will therefore vary according to the state of the ground over which the cable passes Check full range of movement and operation of the guillotine assembly and mechanism without cutting cable FULL FUNCTIONAL TEST WITH CABLE The guillotine full functional test is to be carried out as often as considered necessary
11. erating details in the Winch Log Book CABLE RENEWAL Cable should be taken from the top of the cable drum to the top of the winch drum or from the bottom of the cable drum to the bottom of the winch drum Initial Launches The first series of launches with a new cable are critical to its life at least 20 launches must be carried out observing the following conditions 1 No low or simulated launch failures 2 No release under tension 3 Maintain a normal cable load during the launch October 2002 Web Edition Page 12 of 22 Winch Operators Manual APPENDIX A DAILY LOG SHEET DATE DAY D I SIGNATURE MINOR DEFECTS RECTIFIED DEFECTS OUTSTANDING RECTIFIED BY OTHER NOTES OR INFORMATION NO OF LAUNCHES SIGNATURE October 2002 Web Edition Page 13 of 22 Winch Operators Manual APPENDIX B MONTHLY MAINTENANCE At the beginning of each calendar month all winches and prime movers are to be given monthly maintenance in accordance with the following schedule Item Action Daily maintenance Carry out daily inspection See page 3 Guillotine operation Carry out monthly check See Appendix D Transmission Check bolts for security Brakes Check operation Adjust as necessary Radiator Check cooling ducts free Battery Check electrolyte level and replenish with distilled water Check battery stowage mounting and terminals General Clean winch thoroughly General lubrication as necessary Or more frequently i
12. f specified by the manufacturers October 2002 Web Edition Page 14 of 22 APPENDIX C Winch Operators Manual ANNUAL MAINTENANCE All winches and prime movers are to be given annual maintenance according to the following schedule Item Daily Maintenance Monthly Maintenance Brakes Drum Roller guides Engine Oil and Air Systems winch and prime mover Ignition system Pay on gear Fuel system winch and prime mover Engine Cooling System Belt drives Guillotine Structure and Bodywork Prime mover steering linkage Prime mover ball joints Prime mover wheel brake Action Carry out daily inspection DI See page3 Carry out monthly maintenance appendix B Strip and Inspect Adjust as required Check security of drum nuts Tighten as necessary Clean complete unit Check all roller guides for smooth running Replace all worn bearings and grooved rollers Lubricate Change engine oil and filter Service air filter Check serviceability Replace spark plugs or service injectors Check drive belt wear and tension Check the fuel filters Clean or replace as necessary Check specific gravity of the antifreeze Check hoses water pump and radiator ducts Tension belts and renew as necessary Carry out Guillotine Full Functional Check See appendix D Inspect body and chassis for damage corrosion and loose paint Restore paint surface use primer undercoat and finish coats Check st
13. h the cable and parachute are clear October 2002 Web Edition Page 7 of 22 Winch Operators Manual 7 LAUNCH PROCEDURES SAFETY NOTE If there is any jerk or hesitation in power at the commencement of the launch the winch or car driver must terminate the launch and wait for a fresh set of signals before re starting If the pilot suspects over running or other failure at the start of the launch he should release the cable at once and treat as a launch failure INTRODUCTION The objective is to accelerate the glider smoothly and rapidly to its optimum launch airspeed whilst avoiding any snatching which overstresses the cable or tail banging which overstresses the glider METHOD 1 10 Ensure that the engine is warmed up in accordance with the manufacturer s manual Confirm with the launch controller which cable is to be used On receipt of TAKE UP SLACK Engage drive Release brake and adjust revs slowly to take up slack in cable On receipt of ALL OUT Open the throttle smoothly and progressively to the MAXIMUM SETTING FOR THE GLIDER TYPE AND CONDITIONS Maintain the power setting until the glider is established in the climb and then adjust to suit glider type signals from the glider and general impression of speed rate of climb etc Reduce power as the glider approaches the top of the launch and close the throttle fully to ensure that the launch is terminated well before the vertical position is reached I
14. mbodies some original thought and clear explanations of the theory involved in the form of articles written for Sailplane amp Gliding by John Gibson and P J Goulthorpe John Gibson has also written a special contribution on the mechanics of the winch launch The purpose of this manual is to provide information and guidance to all those involved in the daily operation and maintenance of the club winch It does not attempt to deal with the instructional aspects of winch launching which are covered more fully in the BGA Instructors Manual The manual has been compiled from first hand experience from manufacturers data and from qualified expertise Although aimed primarily at the Tost winch the principles involved are applicable to a wide range of modern winches and clubs may wish to add their own notes and appendices to apply to specific equipment Throughout the text we have endeavoured to explain the principles upon which advice is given and recommendations are made However none of those recommendations is a BGA Operational Regulation unless approved by an AGM of this Association and specifically referred to by number in this manual We shall be grateful for comments and further advice on winch operation which can be incorporated into subsequent revised editions Finally our sincere thanks are due to all those who have assisted with this publication Roger Coote Development Officer October 2002 October 2002 Web Edition Pag
15. mmediately the glider is seen to release smoothly increase power sufficiently to deploy the parachute maintain a slight tension in the cable and prevent the cable from touching the ground This ensures a clean wrap onto the drum with no loose looping Adjust the power to fly the parachute back to the winch clear of the ground Once on the ground the parachute may be drawn closer to the winch VERY SLOWLY Disengage drive Advise launch controller CABLE CLEAR if appropriate Note on engine handling After winding in the cable allow the engine to idle for twenty seconds and then switch off Repeat sequence for other cables Retrieve cables to launch point October 2002 Web Edition Page 8 of 22 Winch Operators Manual 8 EMERGENCY PROCEDURES The winch driver is responsible for understanding how to use the emergency cable cutting equipment In certain circumstances an immediate reaction is essential to ensure the safety both of pilots and glider Emergencies can be considered under the following four categories l Launch failures including simulated launch failures 11 Failure of the glider to release on completion of the launch Hl Launch obstruction IV Winch power failure LAUNCH FAILURES Provided that the cable daily inspection has been completed correctly and that there has been no incident which has caused a cable fault the majority of launch failures wiil be due to failure of the weak link This mean
16. nufacturers instructions which ideally should require them to be cleaned lubricated and have a low load serviceability check every cable change 3 000 launches or every month whichever is the shorter interval Guillotines should have a full load functional test once a year followed by a sharpening of blades and checking for wear mis alignment and damage as recommended at Appendix D in the BGA Winch Operators Manual More frequent full load testing is to be discouraged on account of the accelerated wear this would cause to the mechanism Guillotines should be fitted with operator protection guards and a foolproof inhibiting system Existing guillotine systems should be properly qualified against the requirements defined above D 3 Those systems not measuring up should be replaced by an approved system D amp M Engineering at Shrewsbury 01743 874427 have developed a new guillotine system capable of cutting 3 off 5mm dia multistrand cables and ferrules for the Skylaunch winch The unit is modular and should be capable of easy fitting to a variety of winch designs October 2002 Web Edition Page 17 of 22 Winch Operators Manual APPENDIX E TOST WEAK LINK DATA BGA WINCH AOTO TOW WEAK LINKS LAST REVISED SEPTEMBER 1996 TOST COLOUR CODING Black No 1 1 000 daN 2 200lbs Brown No 2 850 1 870lbs Red No 3 750 1 650lbs Blue No 4 600 1 320lbs White No 5 500 1 100lbs Yellow No 6 400 880lbs Orange N
17. o 7 300 660lbs N B If in doubt Tost apply a factor of 1 3 X Max all up weight of the glider to determine weak link strength for winch autotow 1 1daN 1kg 2 2lbs Not exceeding KP Not exceeding KP Astir s Single 600 No 4 Dart 15 17 500 No 5 Twin Astir 845 No 3 Delphin 700 No 4 ASH 25 900 No 2 Diamant 16 5 18 935 No 2 ASK 14 830 No 3 Discus 650 No 4 ASK 15 500 No 5 DG 100 200 600 No 4 ASK 17 600 No 4 DG 400 600 No 4 ASK 19 600 No 4 DG 300 600 680 No 4 ASK 20 600 No 4 Doppleraab 800 No 3 ASK 21 1000 No 1 Eagle 600 No 4 ASK 22 900 No 2 EON Primary 500 No 5 ASK 23 680 No 4 EON Baby 600 No 4 ASK 24 600 No 4 ELF S 2 540 No 5 AV 36 600 No 4 Falcon 500 No 5 Austria Std 670 No 4 Fauvel 500 No 5 Bergfalke 2 970 No 2 Fauvette 905 600 No 4 Bergfalke 3 1070 No 1 3 4 5 720 No 4 Bergfalke 4 750 No 3 Geier 11 765 No 3 Bijave WA30 600 No 4 Glasfugel 604 850 No 2 Blanik 630 No 4 Goevier 111 1030 No 1 Bocians 1000 No 1 Grunau 5 540 No 5 Breguet 905 600 No 4 Gull 1 3 4 500 No 5 BG 135 600 No 4 Harbinger 500 No 5 Cadet Mk 1 amp 2 500 No 5 Hornet 500 No 5 Cadet Mk 3 T 31 500 No 5 Hutter 17 500 No 5 Caproni A21 600 No 4 Iris D 77 500 No 5 Capstan 600 No 4 IS 28B2 600 No 4 Carman JP15 600 No 4 IS 29 30 32 600 No 4 Centrair 101 600 No 4 Jantar Std 630 No 4 Cirrus 860 No 2 Jantar 2 600 No 4 Cirrus Std 600 No 4 Jantar 3 600 No 4 Cumulus 540 No 5 Janus B 600 No 4 Cobra 600 No 4 Janus C 750 No 3 Condor 1000 No 1 Ja
18. or fouled during a launch a full inspection should be carried out on the cable s in question This may appear to be time consuming but the delay ensures continuing cable integrity October 2002 Web Edition Page 9 of 22 Winch Operators Manual Il FAILURE OF GLIDER TO RELEASE THE CABLE Providing that the throttle is closed to terminate the launch at the appropriate point the cable should back release before it is carried to the vertical position by the glider Once the cable has reached or passed vertical it may be assumed that the glider is unable to release the cable If this happens Operate appropriate guillotine Apply brake Dis engage drive Stop engine STAY INSIDE CAB UNTIL EMERGENCY IS OVER LAUNCH OBSTRUCTION If at any time there is reason to believe that there is an obstruction or the risk of an obstruction by people animals or vehicles the launch should immediately be stopped and no further cable movements made until confirmation is received from the launch controller that it is clear to proceed SAFETY NOTE A stationary or falling cable does little damage A running cable is potentially lethal IV WINCH POWER FAILURE If any loss of power is experienced during a launch the cause should be investigated before another launch is attempted October 2002 Web Edition Page 10 of 22 Winch Operators Manual 9 CABLE REPAIR PROCEDURES 1 Cable repairs must be carried out at the winch using Tallu
19. rit or Intall cleats or ferrules and a hydraulic press 2 Check that the press has been set up with the correct dies and the correct sized ferrules are stowed in the ferrule box PROCEDURE 1 Clean cut each end of the cable with the cable cutters provided 2 Thread on two ferrules and overlap the cable by 125 150 mm 5 6 inches as shown in the diagram below BEFORE AFTER s Arte v D Diameter of cable 3 Place the ferrule and cable between the dies vertically and centrally 4 Tighten the release valve and operate the hand pump until the swage faces just meet 5 Unscrew the release valve to release the ram and extract the formed swage 6 Repeat for second ferrule N B Time can be saved between pressings by allowing the swages to open only sufficiently to allow the ferrule to be inserted or extracted ATTENTION WARNINGS DO NOT APPLY MORE PRESSURE THAN IS REQUIRED TO BRING THE SWAGES FACE TO FACE DO NOT OVER TIGHTEN RELEASE VALVE DO NOT PRESS FLASH BACK INTO SPLICE DO NOT USE ANY FERRULES OTHER THAN THOSE PROVIDED October 2002 Web Edition Page 11 of 22 Winch Operators Manual 10 CLOSEDOWN PROCEDURES 1 2 11 Engine OFF Drive DISENGAGED Retrieve cables by rotating drums by hand and stow parachutes Secure free end of cables Apply winch brakes ON Switch accessories OFF Stow chocks and earthing spike Disconnect telephone cable etc if appropriate Enter any defects and op
20. s oils antifreeze battery acid and chemicals stored in accordance with COSHH recommendations Guards Fire extinguisher s First Aid kit Earth Stake Wheel chocks Communication equipment Radio telephone bats etc Complete and record any defects A glider DI book is adequate for this purpose October 2002 Web Edition Page 3 of 22 Winch Operators Manual 3 SETTING UP THE WINCH SAFETY NOTE If cable runs are near to each other such that it may be possible for cables to cross then a Only one glider may be attached to a cable at any one time and b After every launch the used cable must be drawn in to the winch or cleared from the area before another cable is used 1 Advise the Duty Instructor of the winch status and determine his requirements regarding the positioning of the winch and condition of the airfield before moving out 2 Drive the winch slowly to site and align with the launch point 3 Apply the hand brake firmly on the prime mover and select first gear 4 Securely position the wheel chocks 5 Press the earth stake firmly into the ground in a position such that it will not be a hazard 6 Connect and carry out functional communications check T Ensure the retrieve driver is fully aware of the pull out and cable break procedures See page 9 8 Obtain Duty Instructor s permission to pull cables out to launch point 9 Carry out cable and parachute daily inspection
21. s that the parachute assembly will remain attached to the live cable and will deploy when the break occurs Some tension will be maintained in the cable and the cable will lie straight A break elsewhere in the cable will mean that due to spring back there will be an unknown length of dead cable complete with parachute that has floated down somewhere between the launch point and the winch There will also be a length of live cable still attached to the winch As subsequent actions are dependent upon where the break has occurred it is important that this should be quickly identified If possible the launch controller should advise if a simulated cable break exercise is to be carried out especially if planned to occur below 200 feet Launch Failure Procedures a Because it is often difficult to determine whether the failure is a weak link or cable break reduce power immediately to bring the cable to rest and avoid any possible conflict between the glider and the cable parachute assembly On no account should the cable be winched in until it is safe to do so b If a weak link has failed the cable should be winched in for weak link replacement at the winch c If the cable has failed the cable retrieve crew will retrieve the broken end and return it to the winch for cable repair Note It is strongly advised that following any cable break which involves cable looping or kinking or if the second cable has been caught
22. skolka 500 No 5 October 2002 Web Edition Page 18 of 22 Winch Operators Manual Not exceeding KP Not exceeding KP Javelot 500 No 5 Peak 100 600 No 4 Junior 600 No 4 Petrel 500 No 5 JP 36A 500 No 5 Phoebus all 1000 No 1 KA 1 amp 3 450 No 6 PIK 20E 600 No 4 KA 2 600 No 4 PIK 16 20 530 No 4 KA 4 900 No 2 Pilatus B4 500 No 5 KA 6 650 No 4 Pirat 600 No 4 KA 7 1080 No 1 Prefect 500 No 5 KA 8 668 No 4 Puchacz 750 No 3 KA 13 1080 1 Rheinland 500 No 5 Kestrel 17 19 630 No 4 Rhonlander 2 500 No 5 Kite 1 2B 500 No 5 Rhonlerche 2 900 No 2 Kranich 11 111 960 No 2 Rhonsperber 500 No 5 Kranjanek 500 No 5 Sagitta 600 No 4 LAK 12 600 No 4 SB 5 600 No 4 Libelle 201 600 No 4 SF 26 650 No 4 Libelle H301 670 No 4 SF 27A 750 No 3 LS 1 500 No 5 SF 34 600 No 4 LS 3 600 No 4 S G 38 300 No 7 LS 4 600 No 4 SHK 700 No 4 LS 6 600 No 4 SIE 3 700 No 4 LS 7 600 No 4 Silene E78 600 No 4 LO 100 650 No 4 Sky 500 No 5 M 100 500 No 5 Skylark 1 2 3 4 600 No 4 M 200 600 No 4 Spatz 520 No 5 Meise 670 No 4 Sperber 1030 1 ME 7 500 No 5 Suid 111 500 No 5 MG 19A 950 No 2 Swallow 500 No 5 Mosquito 650 No 4 Swift 500 No 5 Moswey 650 No 4 T 21 500 No 5 Minimoa 500 No 5 T 31 500 No 5 Mucha Std 820 No 3 T 53 YS 53 750 No 3 MU 13 535 No 5 Torva 500 No 5 Nimbus 2 600 No 2 Tutor 500 No 5 Nimbus 3 750 No 3 Vega 600 No 4 Nimbus 3 24 amp 3D 1040 No 1 Ventus 650 No 4 Nimbus Mini 600 No 4 Viking V G C 500 No 5 Olympia 1 amp 2 500 No 5 Wa
23. ssamer W A 26 500 No 5 Olympia 460 463 500 No 5 Weihe 670 No 4 Olympia 419 600 No 4 Zugvogel 1 amp 2 720 No 4 Zugvogel 3 742 No 4 Zugvogel 4 690 No 4 1 1daN 1kg 2 2165 October 2002 Web Edition Page 19 of 22 Winch Operators Manual APPENDIX F CABLE CONFIGURATION Notes on the correct attachment of parachutes weak links and towing strops General Principles 1 The relative position of the component parts is critical The weak link should always be positioned between the glider and the parachute leaving the parachute attached to the cable when the weak link fails 2 No part of the parachute assembly and strops should be capable of storing energy Any elasticity in this assembly can result in damage to the glider 3 The assembly should contain the minimum number of metal parts to reduce weight and potential impact damage 4 The assembly must not be able to damage obscure or become entangled with the glider at any time especially following a cable break or weak link failure 5 All sections should be capable of quick and easy assembly and detachment The Component Parts Attachment to cable The end of the cable is fashioned into an eye by swageing the cable round a thimble which protects the strands from wear The shackle holds the ends of a fabric strop which gathers together the shrouds of the parachute Fabric is employed to minimise friction and wear on the parachute shrouds The canopy of the par
24. tly 4 Inspect the STROP for wear and fraying and check that the shackle attachment to the parachute is serviceable 5 Inspect the linked rings for wear and or distortion and their attachment to the strop for security Replace where necessary Attach parachute assemblies to the cables 6 Check the WEAK LINK assembly and that the weak link has not been stretched or distorted Replace as necessary The assembly should contain only one weak link at a time See Appendices E amp F October 2002 Web Edition Page 5 of 22 5 Winch Operators Manual SIGNALS OPERATOR Ensure communication between launch point and winch driver Confirm launch and emergency procedures with the winch driver Check with winch driver that it is clear ahead amp ready to launch Confirm which cable to use and glider type Look and see that field is clear ahead Where would the cable fall following a cable break Monitor launch point for safe operation Is the correct cable being attached Are persons clear of the glider Are persons clear of the second parachute and cable On up Slack signal path still being clear Relay the signal to the winch driver Repeat verbal signals as required Be ready to give a STOP signal On All Out signal Relay the signal to the winch driver Continue the signals until you are sure that the winch driver can see the glider Launch Failures Following a weak link br
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