powered sailplanes
TRANSCRIPT
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THE GLIDING FEDERATION OF AUSTRALIA
POWERED SAILPLANESA manual for pilots converting to powered sailplanes from gliders, ultralights
and general-aviation light aircraft
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INTRODUCTION 5
GLOSSARY OF TERMS AND ABBREVIATIONS USED IN THIS MANUAL 6
1. DEFINITIONS (FROM CAO 95.4) 7
1.1. POWERED SAILPLANE 7
1.2. POWER-ASSISTED SAILPLANE 7
1.3. PLACARDS 7
2. POWERED SAILPLANE VARIETIES 82.1. Front-engine, fixed pitch propeller 82.2. Front engine, variable pitch feathering propeller 92.3. Retractable engine and propeller 102.4. Fixed engine, retractable propeller 122.5. Non-retractable engine on a stalk 132.6. Rear-mounted engine, folding propeller blades 142.7. “TOP” conversions 142.8. Jet powered 14
3. DAILY INSPECTION AND PRE-FLIGHT CHECK 15
3.1. INTRODUCTION 153.1.1. The engine 153.1.2. The propeller 153.1.3. The fuel system 153.1.4. The electrical system 16
4. POWERED SAILPLANE CHARACTERISTICS 17
4.1. THE EFFECT OF UNDERCARRIAGE DESIGN ON HANDLING 174.1.1. Glider-type undercarriage 174.1.2. Aircraft-type undercarriage 174.1.3. “Nosedragger” design 174.1.4. “Taildragger” design 184.1.5. Ground-handling and taxying techniques 19
4.2. THE EFFECT OF THE ENGINE ON HANDLING 194.2.1. The effect of the engine on aircraft trim 194.2.2. The effect of the engine on directional control on take-off 204.2.3. The effect of the engine in the climb 21
4.3. ENGINE, FUEL SYSTEM AND PROPELLER MANAGEMENT 224.3.1. Engine management 224.3.2. Engine shut-down - all types 244.3.3. Induction icing 244.3.4. Density altitude 26 4.3.5. Soft ground 27
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4.3.6. Tug-assisted launches 274.3.7. Fuel management 274.3.8. Propeller management 284.3.9. Engine starting in flight 304.3.10. Mixture control 314.3.11. Powered sailplane landing characteristics 324.3.12. Landing with engine extended but stopped 33
5. TRAINING AND CONVERSION REQUIREMENTS 34
5.1. ALL-THROUGH TRAINING IN POWERED SAILPLANES 345.1.1. General 345.1.2. Syllabus of basic powered sailplane training 34
5.2. CONVERSION FROM GLIDERS TO POWERED SAILPLANES 35
5.3. CONVERSION FROM POWERED AIRCRAFT AND ULTRALIGHTS TO POWERED SAILPLANES 35
6. BASIC NAVIGATION 36
6.1. GENERAL 36
6.2. MAPS, CHARTS AND OTHER ESSENTIAL DOCUMENTS 366.2.1. The World Aeronautical Chart 366.2.2. En-Route Chart, Low (ERC Low) 366.2.3. Visual Terminal Chart (VTC) 36
6.3. TRACK, DRIFT, HEADING 376.3.1. Track 376.3.2. Drift 376.3.3. Heading 37
6.4. AIRSPEED AND GROUNDSPEED 37
6.5. THE TRIANGLE OF VELOCITIES 38
6.6. CORRECTING FOR DRIFT 39
6.7. USE OF THE COMPASS 39
6.8. WHAT IF YOU GET LOST? 40
USEFUL TIPS TO PREVENT GETTING LOST 40
7. HAZARDOUS WEATHER 41
7.1 GENERAL 41
7.2. OROGRAPHIC CLOUD 41
7.3. FOG 437.3.1. Radiation fog 437.3.2. Advection fog 43
7.4. THUNDERSTORMS 43
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8.1. UNLANDABLE TERRAIN 46
8.2. INSUFFICIENT TERRAIN CLEARANCE 46
8.3. INTENTIONAL LOW FLYING 46
9. INSTRUCTING IN POWERED SAILPLANES 47
9.1. TAKEOFF EMERGENCIES 47 9.1.1. Aborted take off 479.1.2. Engine failure during climb out 47
9.2. ENGINE OFF PERFORMANCE 48
9.3. CIRCUITS, APPROACHES AND LANDINGS 489.3.1. Engine-off circuits and landings 489.3.2. Joining the circuit in exactly the same way as a glider does 49 9.3.3. Touch and go landings 49
9.4. CROSS-COUNTRY AND OUTLANDING TRAINING 50
9.5. SIMULATED LAUNCH EMERGENCIES 50
9.6. PARTICULAR TIPS FOR CONVERTING POWER PILOTS TO POWERED SAILPLANES51
9.6.1. Use of lift and sink. 519.6.2. Use of spoilers/airbrakes. 519.6.3. Use of aiming point. 519.6.4. Coordinating between elevator and spoiler/airbrake. 529.6.5. Throttle creeping open. 52
10. POWER-ASSISTED SAILPLANES 53
11. TOWING GLIDERS WITH POWERED SAILPLANES 54
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