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Pilot Operating Handbook

H3 EasyFlyer Sport

SECTION 5

PERFORMANCE

Dynali_POH_H3 EasyFlyer Sport Rev. 2.5

– Issue date 30.10.2020 Page

43

5.6

ENGINE PERFORMANCE

Please refer to Rotax 912ULS engine manual to find performance curves.

Performances Rotax 912ULS

Max. power (5 minutes)

100 HP / 73,5 kW @ 5800 RPM

Max. power (continuous)

95 HP / 70,0 kW @ 5500 RPM

Max. torque

128 Nm @ 5000 RPM

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Summary of Contents for H3 EASYFLYER SPORT

Page 1: ...Pilot Operating Handbook Dynali H3 EasyFlyer Sport Ultralight Helicopter Dynali_POH_H3 EasyFlyer Sport Revision 2 5 Issue date 30 10 2020 Copyright by Dynali Helicopter Company Thines Belgium ...

Page 2: ... trademarks or registered trademarks of Dynali registered in Belgium and other countries Other company and product names mentioned herein may be trademarks of their respective companies Mention of third party products is for informational purposes only and constitutes neither an endorsement nor a recommendation Dynali assumes no responsibility with regard to the performance or use of these product...

Page 3: ...VISION LOG SECTION Inserted by Rev N Date 1 Dynali SPRL 2 4 12 11 2017 2 Dynali SPRL 2 4 12 11 2017 3 Dynali SPRL 2 4 12 11 2017 4 Dynali SPRL 2 4 12 11 2017 5 Dynali SPRL 2 4 12 11 2017 6 Dynali SPRL 2 4 12 11 2017 7 Dynali SPRL 2 4 12 11 2017 8 Dynali SPRL 2 5 30 10 2020 9 Dynali SPRL 2 4 12 11 2017 10 Dynali SPRL 2 4 12 11 2017 ...

Page 4: ... the flight envelope indicated by the instruments and by the contents of this manual This flight manual is designed as an operational guide for the pilot and includes all necessary information required by the regulations It cannot be considered in any case as an instruction manual It also includes additional information provided by the manufacturer It is the responsibility of the pilot to ensure t...

Page 5: ...SION LIMITATIONS 16 2 7 WEIGHT LIMITS 18 2 8 CENTER OF GRAVITY CG LIMITS 19 2 9 LOAD FACTOR LIMITS 19 2 10 AUTHORISED OPERATION 20 2 11 NOISE LEVEL 20 2 12 PLACARDS 21 SECTION 3 EMERGENCY PROCEDURES 22 3 1 ENGINE FAILURE AUTOROTATION 22 3 2 FORCED DITCHING 25 3 3 EMERGENCY EVACUATION 25 3 4 TAIL ROTOR OR TRANSMISSION FAILURE IN TRANSLATION 26 3 5 TAIL ROTOR OR TRANSMISSION FAILURE IN HOVER 26 3 6 ...

Page 6: ...AND BALANCE 47 6 4 WEIGHT SHEET 49 6 5 LATERAL BALANCE 50 SECTION 7 SYSTEMS 51 7 1 CHASSIS UNDERCARRIAGE 51 7 2 ENGINE ENGINE MOUNT 52 7 3 MAIN TRANSMISSION 53 7 4 MAIN TRANSMISSION GEARBOX MTG 55 7 5 MAIN ROTOR 55 7 6 TAIL ROTOR 56 7 7 FLIGHT CONTROLS 56 7 8 RADIATORS 58 7 9 STABILIZERS 58 7 10 FUEL CIRCUIT 59 7 11 CABIN 59 SECTION 8 HANDLING AND MAINTENANCE 60 8 1 GENERAL 60 8 2 OBLIGATORY DOCUM...

Page 7: ... for flight and for operation of the aircraft with in compliance with the procedures and limitations set out in this manual It is the owner s operator s responsibility to have this helicopter registered and insured according to country specific regulations The aircraft owner operator is also responsible for maintaining the helicopter in airworthy condition Maintenance instructions are provided in ...

Page 8: ...rocesses for this helicopter by means of ground tests flight tests and detailed analysis 1 4 DEFINITION OF TERMS This manual uses WARNING CAUTION and NOTE in bold capital letters to indicate especially critical and important instructions Additionally the color of the panel red yellow and grey shading highlights the significance of the instruction Definitions for each term are given below WARNING A...

Page 9: ...Pilot Operating Handbook H3 EasyFlyer Sport SECTION 1 GENERAL Dynali_POH_H3 EasyFlyer Sport Rev 2 5 Issue date 30 10 2020 Page 9 1 5 3 VIEW DRAWING OF THE H3 EASYFLYER SPORT ...

Page 10: ...ed by two carbon tail struts The tail rotor blades are formed in carbon and are controlled by push pull cables The cabin cell and the stabilizer are made from vacuum infused carbon fiber and the canopy is in perspex 1 7 TECHNICAL CHARACTERISTICS GENERAL Airframe length 6 20 m Maximum Length including main rotor 8 00 m Height 2 50 m Height on wheels 2 60 m Interior cabin width 1 30 m Width of under...

Page 11: ...ion MTG 3 55 1 Freewheel 6 6kN 6 rollers Rear transmission and Rear Transmission Gearbox RTG Rear transmission Shaft Rear transmission gearbox RTG 90 conic spiral gearing Reduction ratio RTG 2 1 Reduction ratios Engine main transmission shaft 2 9 1 Engine engine gear 2 4 1 Engine main rotor 10 6 1 Tail rotor main rotor 7 3 1 ROTAX ENGINE CONFIGURATIONS 4 cylinder four stroke spark ignition engine ...

Page 12: ... oil Type Synthetic oil with anti friction additive for 4 stroke engine Capacity 3 2 L Recommended oils Motorcycle 5W40 Consumption 0 1 L h maximum Oil MTG Type Hypoid SAE 70 to 90 SWEPCO 201 Capacity 0 8 L Oil RTG Type Hypoid SAE 70 to 90 SWEPCO 201 Capacity 125 ml Oil in the free wheel Type Anti friction additive oil FUCHS RENOLIN MR30 VG100 Capacity 40 ml SECTION 2 LIMITS IN USE 2 1 GENERAL Thi...

Page 13: ...copter has been designed and tested for a safe design load at maximum gross weight Flying at high speed in turbulent air especially in combination with aggressive manœuvres or a steep turn can easily create higher loads on the aircraft NOTE This helicopter does not comply with the terms of the international authority for civil aviation ICAO There is no international common regulatory system for ul...

Page 14: ...kts Maximum tailwind component for take off and landing 30 km h 16kts Maximum demonstrated operating altitude 10 000 ft Slope landing 8 longitudinal 4 lateral WARNING Do not consider flying in the likelihood of severe weather Thunderstorms may develop rapidly with the risk of heavy precipitation or hail severe turbulence with strong vertical air movements and lightning strikes If despite proper fl...

Page 15: ...operating range 2 4 LIMITATIONS Max speed 140 km h Speed to never exceed VNE 155 km h Speed to never exceed VNE without windows 80 km h Green arc 70 km h 140 km h Yellow arc 140 km h 155 km h Red arc 155 km h WARNING The VNE must never be exceeded WARNING Depending on installed optional equipment VNE may be lower WARNING Sudden or large forward input on the controls must be avoided at all means ev...

Page 16: ...c Yellow arc 580 106 6000 Red arc Red mark 600 109 Red mark CAUTION After engine start the engine RPM will rise to between 2500 and 3000 RPM Clutch should only be engaged with engine idling 2 6 ENGINE AND TRANSMISSION LIMITATIONS Engine limits as found in the Rotax manual or its appendices take priority over information provided in this manual for information purposes Battery voltage Minimum volta...

Page 17: ...l Pressure Low oil pressure warning light 1 bar Low oil pressure caution range 1 1 8 bar Normal range 1 8 5 bar High oil pressure caution range 5 7 bar Maximum oil pressure 7 bar Main Transmission Gearbox Oil Temperature Normal range 60 110 C Caution range 110 125 C Maximum 125 C Fuel Type Regular fuel EN 228 Super min RON 98 or UL91 Occasional fuel AVGAS 100 LL N B Green fuels such as Ethanol are...

Page 18: ...pe Approval Data Sheet NOTE Minimum crew is one pilot ALWAYS on the left seat Harness in the RH seat must be fastened and tight if seat is not occupied In most countries the law prohibits flights with dual controls except in training flights accompanied by a qualified instructor Without an instructor it is necessary to remove the cyclic stick on the passenger side CAUTION The flight controls must ...

Page 19: ...tested in flight Between the forward and aft balance limits all variations are authorised insofar as the maximum takeoff weight is not exceeded Datum point Rotor mast Extreme forward balance authorised from the mast 136mm Extreme aft balance authorised from the mast 136mm WARNING SOLO PILOT ALWAYS ON THE LEFT SEAT SOLO PILOT ON THE RIGHT SEAT IS PROHIBITED 2 9 LOAD FACTOR LIMITS Limit of safe oper...

Page 20: ... result in a loss of control Always maintain adequate load on the rotor and avoid aggressive forward control input performed from level flight or following a pull up Aerobatic flight is prohibited NOTE Manœuvres involving bank angles of more than 60 are considered to be aerobatic flight Flight in icing conditions is prohibited NOTE Icing may occur even at temperatures above freezing Operation in s...

Page 21: ...ust be installed by the customer distributor depending on the applicable regulation SOLO PILOT IN LEFT SEAT HEAVIEST PASSENGER IN LEFT SEAT However if the pilot on the right seat weighs up to maximum 20 kg more than the one on the left seat the helicopter remains perfectly manoeuvrable MAX MASS SOLO PILOT 125 KG MIN MASS SOLO PILOT 50 KG VMAX 140 KM H VNE 155 KM H FUEL SP98 SP95 UL91 ...

Page 22: ...higher risk of engine failure than with a certified aircraft engine with the associated risks of damage or injury as the result of an unplanned landing Therefore strict compliance with the engine manufacturer s maintenance schedules operational procedures is essential The helicopter must always be flown with the risk of engine failure in mind and must not be flown over any large bodies of water wh...

Page 23: ... completely and immediately initiate autorotation Cut the throttle and push the left pedal down Maintain the speed around 70 to 100 km h with 100 rotor RPM Use collective to maintain rotor RPM Select landing point facing into wind Approaching the ground act on the cyclic stick to flare and reduce rate of descent WITHOUT RISING THE COLLECTIVE At around 10ft push the cyclic forward to bring the mach...

Page 24: ...ting on the cyclic without touching the collective Maintain heading to ensure that on impact with the ground there is no sideways movement In completing flare flatten out and start to provide lift with the collective without causing the machine to climb NOTE This is the most common safety procedure that must be performed naturally It is strongly advised to learn to perform this operation as often ...

Page 25: ...nces occupants should never leave the helicopter while the rotors are turning If abandoning the aircraft in an emergency the pilot should turn off the engine and turn the master switch OFF if this can be done without endangering the occupants If leaving the aircraft with the rotor turning the occupants should follow a path in line with the nose of the helicopter to minimise the risk of being injur...

Page 26: ...N HOVER Sudden yaw to the left cannot be controlled with the right pedal Keep machine horizontal and raise collective to cushion impact Cut the throttle immediately 3 6 ENGINE FIRE SMOKE ON GROUND Both magnetos OFF and master switch OFF to shut down engine and fuel pumps Evacuate the aircraft Extinguish the fire with an extinguisher a fire hose or a woollen blanket sand or earth 3 7 ENGINE FIRE SM...

Page 27: ...E Use the throttle to maintain rotor RPM manually and land using an average angle approach The throttle control must be used to ensure full power and RPM WARNING The pilots must be trained to control the throttle manually 3 11 ALARM AND WARNING LIGHTS General Red The GEN light indicates that there is no voltage being supplied from the regulator circuit to the battery In general it means that there...

Page 28: ... provide 15min of reserve power to supply the aircraft fuel pumps instrumentation avionics and fans after which time electrical systems including fuel pumps may cease to function The TCU Turbo Control Unit will not be powered anymore and will remain in whatever position it was when power was lost so mixture and manifold pressure control will also be lost Take care to use minimum power required to ...

Page 29: ...d in the main transmission gearbox Land within 5 minutes no emergency RTG Orange This warning lights up if metallic particles are detected in the rear transmission gearbox Land within 5 minutes no emergency ECU Red Rotax 912ULS I Injection system NOTE This indicator lights up at start up for 3 seconds for the internal check It can light up undifferently when Air intake temperature exceeds 60 C Coo...

Page 30: ...icator lights up when Fan 1 thermo switch has closed and Fan 1 is activated Monitor engine instruments and register the higher electrical power consumption If possible reduce engine power and increase speed Fan 2 Green This indicator lights up when Fan 2 thermo switch has closed and Fan 2 is activated Monitor engine instruments and be aware of the higher electrical power consumption If possible re...

Page 31: ... check list items consist of visual checks and does not replace professional mechanical inspection and maintenance The following check list applies for the all versions of the H3 EasyFlyer Sport with notations covering the engine variants Note that depending on optional equipment installed it is recommended for the owner operator to add any appropriate items to suit his specific configuration 4 1 ...

Page 32: ...y attached dry without any trace of leak or fuel and the collars are tight Rotax 912ULS 914UL The throttle and choke Rotax 912ULS Rotax 914UL springs are in perfect condition The turbocharger is properly attached Rotax 914UL The intake butterfly is properly attached Rotax 912ULS I No trace of wear on the drive pulley on engine Check inner and outer condition of the drive belts and check that no fo...

Page 33: ...h on rotor blades Test the full travel of the rear rotor control cables Check the six studs and their locking wire Check the attachment of the cable bracket Station 6 engine LH side On the fuel tank check the fuel level filler cap closed both taps open filters clean no trace of leak bottom dry Check that there are no leaks below the Main Transmission Gearbox Check the Telatemp Check the three cont...

Page 34: ...de Check the absence of cracks and the correct attachment on the mast of the drive collar Check the absence of leaks at the blade roots if any clean 4 2 STANDARD CHECKLIST FOR H3 EASYFLYER SPORT BEFORE ENGINE START CHECKLIST HELICOPTER CONDITION AIRWORTHY FUEL QUANTITY _______LTS GAL RANGE CALCULATED WEIGHT BALANCE CHECKED DOCUMENTATION PREPARED CANOPY CLOSED AND LATCHED CABIN NO LOOSE OBJECTS SEA...

Page 35: ...TO 100 RPM NEEDLE SPLIT FREEWHEEL CHECKED SWITCH LOW RPM ON CHECK LIGHT HORN LOW RPM ENGINE RPM INCREASE TO 100 RPM WARNING LOW RPM OFF GOVERNOR PUSH ON 5500 5800 CHT MIN 70 C MAX 120 C OIL T MIN 60 C MAX 130 C NOTE In very cold climatic conditions the engine should be run up with rotors turning at 100 to heat the transmission before takeoff TAKE OFF CHECKLIST WARNING LIGHTS ALL OFF AVIONICS ON FU...

Page 36: ...n the height speed diagram should be constantly kept in mind Both on takeoff and landing the areas indicated in the diagram should be avoided CRUISE CHECKLIST COLLECTIVE ADJUST CYCLIC KEEP IN HAND INSTRUMENTS CHECKED EXTERNAL PERMANENT VIGILANCE RPM MONITOR LANDING CHECKLIST WIND DIRECTION CHECKED WARNING LIGHTS ALL OFF INSTRUMENTS ALL GREEN FUEL CHECKED AIRSPEED 80 100 km h AFTER TOUCHDOWN COLLEC...

Page 37: ...survey the aircraft s surroundings and hold the cyclic to prevent the rotor swinging over WARNING Mind the spinning rotor close to obstructions or persons A fast turning rotor is almost invisible Do not vacate the helicopter until rotor is at a complete stop It is mandatory to keep controls neutral during rotor deceleration CAUTION Having shut down the engine observe the time that it takes for the...

Page 38: ...egative effect on performance 5 1 GENERAL WARNING Always keep at least 1 inHG MAP in relation to atmospheric pressure NOTE Satisfactory engine cooling has been demonstrated at outside air temperatures up to 35 C If needed for hotter climates an additional oil radiator can be installed The owner operator must remain within the normal operating temperatures Duration of hover flight is limited by the...

Page 39: ...Pilot Operating Handbook H3 EasyFlyer Sport SECTION 5 PERFORMANCE Dynali_POH_H3 EasyFlyer Sport Rev 2 5 Issue date 30 10 2020 Page 39 5 2 ALTITUDE DENSITY DIAGRAM ...

Page 40: ...Pilot Operating Handbook H3 EasyFlyer Sport SECTION 5 PERFORMANCE Dynali_POH_H3 EasyFlyer Sport Rev 2 5 Issue date 30 10 2020 Page 40 5 3 HOVER IN GROUND EFFECT ...

Page 41: ...Pilot Operating Handbook H3 EasyFlyer Sport SECTION 5 PERFORMANCE Dynali_POH_H3 EasyFlyer Sport Rev 2 5 Issue date 30 10 2020 Page 41 5 4 HOVER OUTSIDE GROUND EFFECT ...

Page 42: ...t and speed avoid area in blue where a safe landing may not be possible in case of an engine failure Take offs and landings should always be conducted according to the recommended flight profile provided as blue dashed line Rate of climb and glide ratio Rate of climb 450 kg VY 1100 ft min Speed for best angle of climb VX 80 km h Speed for best rate of climb VY 85 km h Best glide ratio 450 kg 80km ...

Page 43: ...yFlyer Sport Rev 2 5 Issue date 30 10 2020 Page 43 5 6 ENGINE PERFORMANCE Please refer to Rotax 912ULS engine manual to find performance curves Performances Rotax 912ULS Max power 5 minutes 100 HP 73 5 kW 5800 RPM Max power continuous 95 HP 70 0 kW 5500 RPM Max torque 128 Nm 5000 RPM ...

Page 44: ...r Sport SECTION 5 PERFORMANCE Dynali_POH_H3 EasyFlyer Sport Rev 2 5 Issue date 30 10 2020 Page 44 Performances Rotax 912ULS I Max power 5 minutes 110 HP 81 kW 5800 RPM Max power continuous 105 HP 77 kW 5500 RPM Max torque 133 Nm 5000 RPM ...

Page 45: ...yer Sport SECTION 5 PERFORMANCE Dynali_POH_H3 EasyFlyer Sport Rev 2 5 Issue date 30 10 2020 Page 45 Performances Rotax 914UL Max power 5 minutes 115 HP 85 kW 5800 RPM Max power continuous 111 HP 77 kW 5500 RPM Max torque 144 Nm 5000 RPM ...

Page 46: ... must be measured for each Dynali H3 EasyFlyer Sport helicopter once assembly is completed The empty weight may not in any case except for options exceed the standard reference empty weight as indicated in this manual Maximum takeoff weight at sea level 450 kg UL 600 kg Standard empty weight 285 kg Datum Rotor mast Forward balance limit in relation to datum 136 mm Aft balance limit in relation to ...

Page 47: ...___kg 6 3 CALCULATION OF WEIGHT AND BALANCE For each part of a helicopter there is an associated weight expressed in kilos and a moment in relation to the datum point the rotor mast expressed in kg m This moment corresponds to the weight of the part multiplied by the distance from the centre of gravity of the part by reference to the datum Before each flight you should Check that the position of t...

Page 48: ... 136 38080 Passenger WPAX 606 WPAX x 606 Useable fuel 0 7 kg l WFUEL 170 WFUEL x 170 CAUTION The solo pilot must weigh at least 50 kg Below this weight the rear balance limit is exceeded Below this weight ballast must be added to maintain an equivalent of 50 kg minimum on the passenger seat CAUTION The maximum weight of the solo pilot is 125kg WARNING THE SOLO PILOT MUST IMPERATIVELY TAKE THE LEFT...

Page 49: ...DATE N AIRFRAME S N REGISTRATION OWNER NAME ADDRESS PLACE OF WEIGHING METHOD OF WEIGHING EMPTY WEIGHT kg POSITION EMPTY CG DATUM at mm in front of wheel axles mm rear of axis of rotor mast Datum axis of rotor mast mm NOTES The empty CG measured at mm aft of the mast axis i e forward of aligned with aft of the standard CG of the H3 Sport located at 136 mm behind the mast axis delete where not appli...

Page 50: ...rust of the tail rotor is 13 kg more on the left hand seat so that the rotor mast is vertical in hover However the aircraft remains maneuverable although listing This explains the obligation for the solo pilot to take the left hand seat WARNING Minimum weight of solo pilot in left hand seat 50kg Maximum weight of solo pilot without ballast in right hand seat 125 kg When flying with two people onbo...

Page 51: ...he chassis is around 25kg In addition and mostly for check a pressure indicator is located at the aft of the chassis As long as the green indicator can be seen there is pressure in the chassis If it disappears it means that there is a loss of pressure in the chassis Nominal pressure 3 bar Pressure lost The possible leak can come either from the valve or in the worst case from a crack in the chassi...

Page 52: ...ed in the H3 all based on the 900 series of BRP ROTAX From this engine Dynali can offer three different engine configurations The Rotax 912ULS 100HP which is suitable for pilots who have a sound mastery of power management This engine is equipped with two carburettors and is well known and very popular on account to its simplicity and reliablity However the useful payload is limited due to the red...

Page 53: ...The Rotax 900 series are among the best engines in the world However Rotax does not guarantee its engines when these are used in rotary wing aircraft WARNING Rotax engines are not certified for being installed in light helicopters because of their inherent transmission system using pulleys and belts Instead of axial loads generated by an aircraft propeller the drive pulley of a helicopter generate...

Page 54: ...disconnect the engine to the transmission system When disconnected it allows the engine to start with the rotor stationary ensuring the safety of those on the ground during warm up Once ready for takeoff the rotor is engaged by the pilot using a switch on the instrument panel The V belts are sloted for better power transmission Adequate tensioning is mandatory The adequate tension can be easily ch...

Page 55: ...ould be emptied every 50h to filter the oil or renew it and also the magnetic plug should be surveyed Every 250h the main transmission gearbox should be opened in order to inspect the conical gear and the bearings 7 5 MAIN ROTOR The rotor mast is made of Cr Mo steel and designed to bear a load of 22G The blades are made of extruded high resistance aluminum As a safety precaution their service life...

Page 56: ...Only the rollers of these bearings must be greased and all surplus grease is immediately evacuated by the 1kg of centrifugal force The rollers dry and sometime corrode rapidly but no intervention is required as long as the rudder pedals do not show stiffness All that has to be done then is to dismantle clean with gasoline and grease the corroded rollers without necessarily changing them The rear t...

Page 57: ...ev counter During take off and climb for more power the governor is engaged at 5800RPM Later during the flight the governor can be slowed down to 5500RPM There are two different types of governors Variable governor Keeps the RPM selected by the pilot at the moment is has been switched on It is thus possible to fly at any selected RPM Pre selected governor Keeps 5500 RPM or 5800 RPM If the governor...

Page 58: ...light for long periods without over heating without the requirement for periodic circuits to cool the engine oil One or two for hot climates oil radiators are positioned on the coolant radiator and provide the same high efficiency performance Two large fans equipped with thermo switches allow for the automatic independent regulation of coolant and oil temperatures at ideal levels 7 9 STABILIZER Th...

Page 59: ...BIN This helicopter has one large undivided glazed canopy locked with two lateral hinges on the left and right hand side A gas strut in the front allow for the canopy to stay open during boarding The locking mechanism can be operated from the Inside and outside by moving a steel locking device The door is properly locked when both hinges are in upper position In option two adjustable fresh air ven...

Page 60: ...ould inform the new owner operator of the manuals that he requires and suggest that he contact Dynali SPRL or the authorised distributor Furthermore the internet website www dynali com regularly shows new information made available to everybody Under the regulations the responsibility for the maintenance of an ultralight helicopter lies exclusively with the builder owner operator of the helicopter...

Page 61: ...perform this after having followed a training course with an authorised distributor 3 Every 100h This operation must be performed in an authorised maintenance center by a qualified technician 4 Every 300h This operation must be performed in an authorised maintenance center by a qualified technician 5 Every 600h This operation must be performed in an authorised maintenance center by a qualified tec...

Page 62: ...30 10 2020 Page 62 8 5 MAINTENANCE TRACKING H3 EasyFlyer Sport Registration Serial N Delivery date Observations Owner Name First name Address Telephone Maintenance calendar Hours Date Place of flight Technical operation Remarks Technician Visa 25 50 75 100 125 150 175 200 225 250 275 300 325 350 375 400 425 450 etc ...

Page 63: ... Operating Handbook H3 EasyFlyer Sport SECTION 8 MAINTENANCE Dynali_POH_H3 EasyFlyer Sport Rev 2 5 Issue date 30 10 2020 Page 63 8 6 SCHEDULED MAINTENANCE Refer to Maintenance Manual published by Dynali SPRL ...

Page 64: ...oth hands on the controls especially when close to the ground it is prohibited to release the controls Be attentive at all times and beware of overconfidence Never fly if you are not feeling in perfect shape In no case when you are influenced by alcohol lack of sleep or stress There is a high danger if there is an obligation to fly to perform demonstration flights or to fly from point A to point B...

Page 65: ... compared with a fixed wing aircraft which will still be provided with thrust for a moment by its propeller The governor system may hide the early stages of icing Keep up your speed and never remain hanging on your engine it may fail Never fly in a helicopter which is not adjusted for autorotation To keep in training descend as often as possible in autorotation stopping short of the ground Always ...

Page 66: ...ovide a warning to ground personnel Leaving them on in flight is also advisable since the helicopter may be difficult for other aircraft to see Rotors can be extremely dangerous Never attempt to start the engine until the area around the rotor is completely clear of any persons or objects Do not start the engine while standing beside the helicopter Be sure ground personnel or onlookers don t walk ...

Page 67: ...s lost Remember a precautionary landing in a helicopter will always be safer than a flight with impaired or no visibility Carrying passengers Take the time to get familiar with your H3 Carrying a passenger increases the difficulty of managing the power 30 hours of solo flight is recommended for beginners and 5 hours for experienced pilots before carrying a passenger Beware of any stiffening in the...

Page 68: ...y by reaction without conscious thought Those reactions may well be based on his greater experience i e the reactions developed flying airplanes For example in an airplane his reaction to an engine failure would be to immediately and considerably go forward with the stick In a helicopter application of inadequate forward stick could result in a low G situation or if the engine failure occurred dur...

Page 69: ...n large control input in the wrong direction even the most experienced instructor may not be able to recover control Instructors are usually prepared to handle the situation where the student loses control and does nothing but they are seldom prepared for the student who loses control and does the wrong thing Before allowing someone to touch the controls of the aircraft they must be thoroughly bri...

Page 70: ...he frame It is in the cabin that noise is amplified Tough an insulated carbon fiber reduces noise but causes additional weight The origin of the transmission noise is erroneous The sound seems to come from each of the elements that are listened The noise coming from the belts at startup is inevitable because ribbed belts are noisier than smooth ones but they are more powerful The pilot has to get ...

Page 71: ...dwing jump be heard Vibration level Horizontal vibration Unproper rotor balancing Vertical vibration Rotor tracking Worn tilt bearing Shimmy or vibration in the cyclic A misaligned blade in his root Blade bearing deteriorated After a hard landing The chassis can not be repaired if damaged It must be replaced The angle between main transmission shaft main rotor mast and tail boom must be checked Th...

Page 72: ...ording to the instructions in the current manuals in force at the time of the occurrence of the failure ii The servicing of the products have been implemented in compliance with the instructions contained in the service manual supplied with the products at the time of delivery as well as with any updates of service bulletins published by Dynali prior to the failure of the part iii No modification ...

Page 73: ...nization other than Dynali or a Dynali approved distributor iii Make available to Dynali or an authorised Dynali representative at their registered address the defective part within 15 days of notification of the defect 3 It is understood that some adjustments may be necessary during the first hours in flight following the entry to service These adjustments are normal and are not covered by warran...

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