Avian CHEETAH 160 Owner'S Manual Download Page 1

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CHEETAH 160

Owner's Manual

BHPA certificate of airworthiness

numbersCheetah 160 Race (Mylar / Matrix):

0106161

Serial Number

......................

Before flying your glider please read this manual completely, check all your battens

against the batten profile (adjusting them if necessary) and do a thorough pre-flight

check.

AVIAN LTD.

Summary of Contents for CHEETAH 160

Page 1: ...rthiness numbersCheetah 160 Race Mylar Matrix 0106161 Serial Number Before flying your glider please read this manual completely check all your battens against the batten profile adjusting them if nec...

Page 2: ...3 PLEASE NOTE 3 OPERATING LIMITS 4 SPECIFICATIONS 4 RIGGING THE CHEETAH 5 PRE FLIGHT CHECKLIST 8 FLYING THE CHEETAH 10 POST FLIGHT INSPECTION 11 DE RIGGING 11 VB VARIABLE BILLOW 13 VB MAINTENANCE 13 T...

Page 3: ...Cheetah 160 Owner s Manual TROUBLE SHOOTING 22 OWNERSHIP 24 APPENDIX LOSING THE KINGPOST THE DIFFERENCES 25 APPENDIX GLIDER OPTIONS 27 APPENDIX ASSEMBLY DRAWINGS 28 APPENDIX CHECKING WASHOUT 32 3...

Page 4: ...blems with your glider DO NOT FLY We have a section on trouble shooting in this manual that features some of the more common problems that pilots have encountered and our recommended solutions If you...

Page 5: ...nge Pitch trim The hang loop is attached straight to the keel and should be within the following range Distances measured from the front of the keel without plastic bung to centre of hang loop Max for...

Page 6: ...e trailing edge damage 4 As you open out the wings the inner washout rods are moved out automatically Sometimes they might need lifting over the cross tubes Make sure that their ends are aligned under...

Page 7: ...nose batten in the glider when packed If you do this don t forget to check its profile when you check the profile of the other battens 14 NB The VB must not be pulled on if the glider is laid flat on...

Page 8: ...e battens Do not put in the last four battens or compression strut Leave the tip socks on 9 Make sure you have opened the wing as far as possible Check that the inner washout rods are under the span w...

Page 9: ...ensioner nose catch check the clevis pin and split ring as well tip compression struts correctly located on the leading edge quick pins and rings secure on bottom bar outboard leading edge section ful...

Page 10: ...ttention to the base bar quick pins As the glider is moved and placed on the ground the safety rings in the base bar quick pins may contact the ground Long grass seems most likely to cause the problem...

Page 11: ...IS WET Wet gliders do not fly nearly as well as dry gliders This is because the water droplets on the leading edges disturb the airflow over the wing The result is that the glider does not perform so...

Page 12: ...cross tube tension and swing the wings in a few feet Remove the remaining battens Remove all the battens smoothly Pulling battens out excessivly quickly will increase wear of batten ends and batten p...

Page 13: ...s to lie them alongside the leading edges Pull the sail between the leading edge and keel so that it is all above the leading edge Roll it carefully and tuck it inside the leading edge One side can be...

Page 14: ...ith little loss of handling For flying fast or for best glide performance for example flying between thermals use more VB With full VB be aware that the roll rate of the glider is significantly reduce...

Page 15: ...en key The black plastic tip caps are infinitely adjustable They have a line marked on them and there is another line marked on the leading edge These references are aligned for initial assembly The l...

Page 16: ...owever it should be emphasised that large movements are not beneficial To check the ideal tip cap setting The glider should be flown clear of the ground and all other aircraft with the VB on The under...

Page 17: ...hecking the profile The best place to check the profile of your battens is at home on a flat surface It is very difficult to do on the hill with no flat surfaces and the wind blowing the paper profile...

Page 18: ...mmend that the Cheetah has a factory inspection every year or 100 flying hours which ever is the sooner This is a sensible precaution to take and is offered by Avian at special prices in the months of...

Page 19: ...Check for cable damage along the length but the main failure area lies immediately adjacent to the swaged fitting Look carefully for signs of strand fracture at this position Corrosion shows itself a...

Page 20: ...ss both during flight and rigging they may lose their shape It is essential that they are checked against the template at frequent intervals and re profiled if necessary See Section Battens and Batten...

Page 21: ...torage Removal of the outer leading edge The outer leading edge section slides inside the inner leading edge It locates on a clevis pin which stops it rotating The outer section can be removed without...

Page 22: ...t the nose can be replaced The eyelets should line up with the screw holes though it may be necessary to rotate the sail slightly first 8 Tighten the Allen bolts at the wing tips These should only be...

Page 23: ...important to keep the glider out of the sun when not in use as exposure to UV radiation damages the sail Use the thick bag supplied and if at all possible store in the dark TROUBLE SHOOTING The tensio...

Page 24: ...der If de rigging on the keel the weight of the wings is transferred to the keel This stops the cross tube junction from sliding so easily on the keel when the tension is released See above The easy r...

Page 25: ...main loop when flying Free the backup loop so that you are sure it is loose in flight The short under surface batten has been put in the long under surface batten pocket You can sometimes do this acc...

Page 26: ...ss This is important so we can let you know about upgrades or in the unlikely event recall components or gliders Please keep a record of all work done on your hang glider Please let us know of any ide...

Page 27: ...cross tubes and resist downwards bending of the keel e g When pulling the nose to lift the keel off the ground prior to flight When rigging or de rigging on the keel the wings are held up by the cross...

Page 28: ...d as Orthotropic which means they exhibit the same mechanical properties in all directions CFRP can be made Quasi orthotropic similar to orthotropic by running fibres in all directions There is often...

Page 29: ...ore frequently In addition without a protective plastic coating it is highly recommended that a pilot using these wires flies with suitable face protection i e Full Face helmet and gloves Gloves may a...

Page 30: ...Cheetah 160 Owner s Manual Appendix ASSEMBLY DRAWINGS NOSE ASSEMBLY 30...

Page 31: ...Cheetah 160 Owner s Manual CROSS TUBE LEADING EDGE JUNCTION 31...

Page 32: ...Cheetah 160 Owner s Manual CROSS TUBE CENTRE JUNCTION VARIABLE BILLOW VB OR VARIABLE GEOMETRY VG 32...

Page 33: ...an wise battens should be checked for straightness The glider should be rigged flat on a very flat surface without the speed bar Check that the washout rods are correctly positioned and the cords are...

Page 34: ...Cheetah 160 Owner s Manual CHECKING WASHOUT GLIDER MINIMUM REQUIREMENTS 34...

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