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Jonker Sailplanes JS3 Flight Manual Supplement Download Page 36

 

JS-3 Jet Sustainer 

Flight Manual Supplement

 

JS03-AFM-00-002 
Issue: 00.32JS 

 

Rev. 00.32JS 

Rev. Date: 08.02.2019 

Page 4

–5 

 

4.5  Modes overview 

The main  operating  modes  for  the  jet  sustainer  are  selected  using  the 
JDU Jet Control toggle switch. The primary modes are: 

 

Retracted mode 

 

Extended mode 

 

Run mode 

 

 

 

 

 

 

 

 

 

The transition modes (not directly selectable by the pilot) are: 

 

Starting 

 

Extending 

 

Retracting 

 

Cooling 

 

 

Figure 4-2: Modes Overview 

Extended 

mode

 

RUN mode

 

Retracted 

mode

 

Starting 

Extending 

Cooling 

Retracting 

Summary of Contents for JS3

Page 1: ......

Page 2: ......

Page 3: ...ent number JS03 AFM 00 002 Title JS 3 Jet Sustainer Flight Manual Supplement Issue 00 Date of issue 08 02 2019 Responsible for content Issue 00 of this JS 3 Aircraft Flight Manual is in the approval p...

Page 4: ...JS 3 Jet Sustainer Flight Manual Supplement JS03 AFM 00 002 Issue 00 32JS Rev 00 32JS Rev Date 08 02 2019 Page ii Intentionally left blank...

Page 5: ...Manual Supplement JS03 AFM 00 002 Issue 00 32JS Rev 00 32JS Rev Date 08 02 2019 Page 0 1 0 Document Management 0 1 Record of Revisions Issue Date Reason for Change 00 32JS 08 02 2019 Draft issue submi...

Page 6: ...ce 0 00 08 02 2019 6 Initial Issue 1 00 08 02 2019 4 Initial Issue 2 00 08 02 2019 10 Initial Issue 3 00 08 02 2019 6 Initial Issue 4 00 08 02 2019 22 Initial Issue 5 00 08 02 2019 22 Initial Issue 6...

Page 7: ...JS 3 Jet Sustainer Flight Manual Supplement JS03 AFM 00 002 Issue 00 32JS Rev 00 32JS Rev Date 08 02 2019 Page 0 3 0 3 Record of Amendments Date of Issue Revision Date of Insertion Signature...

Page 8: ...1 1 1 5 Technical Data 1 2 1 6 Engine System Illustration 1 3 2 Limitations 2 1 2 1 Introduction 2 1 2 2 Airspeed limits 2 1 2 3 Airspeed indicator markings 2 1 2 4 Power plant fuel and oil 2 2 2 5 Po...

Page 9: ...isplay 5 1 5 1 Status Indicators 5 1 5 2 Error messages 5 7 6 Performance 6 1 6 1 Engine performance 6 1 6 2 Flight performance 6 2 7 System description 7 1 7 1 Kinematic system 7 1 7 2 Electrical sys...

Page 10: ...6 Refueling Defueling Placard 2 9 Figure 2 7 Fuse Box Layout Placard 2 9 Figure 4 1 JDU Primary Controls 4 3 Figure 4 2 Modes Overview 4 5 Figure 4 3 Quick Connector for Refueling 4 18 Figure 5 1 Sta...

Page 11: ...2 RPM Limitations Display 5 4 Table 5 1 3 Temperature Limitations Display 5 4 Table 6 2 1 Range from Saw tooth Profile for Different RPM Settings at 400 kg SI units 6 3 Table 6 2 2 Range from Saw toot...

Page 12: ...tes used in this Flight Manual Supplement WARNING means that the non observation of the corresponding procedure leads to an immediate or important degradation of the flight safety CAUTION means that t...

Page 13: ...00 RPM Idle speed 30 000 RPM Thrust at maximum rotary speed 35 daN at MSL and ISA conditions Consumption at maximum rotary speed 60 kg h Thrust at idle speed 3 N Consumption at idle speed 7 47 kg h Ai...

Page 14: ...JS 3 Jet Sustainer Flight Manual Supplement JS03 AFM 00 002 Issue 00 32JS Rev 00 32JS Rev Date 08 02 2019 Page 1 3 1 6 Engine System Illustration Figure 1 1 Jet System Illustration...

Page 15: ...JS 3 Jet Sustainer Flight Manual Supplement JS03 AFM 00 002 Issue 00 32JS Rev 00 32JS Rev Date 08 02 2019 Page 1 4 Intentionally left blank...

Page 16: ...d their operational significance are shown below Speed IAS Remarks VPOmax Maximum power plant extension retraction speed 140 km h 76 kts Do not extend or retract the engine above this speed VPE Power...

Page 17: ...Synthetic two stroke oil complying with specification API TA API TB API TC or JASO FC Fuel capacity 22 2 liters Unusable fuel 0 2 liters Table 2 4 1 Engine Technical Data 2 5 Power plant instrument m...

Page 18: ...e 2 3 2 6 Power plant limitations Parameter Limitation Maximum Engine RPM 97 000 RPM Maximum Continuous RPM 80 000 RPM Maximum EGT 790 C Maximum while Starting max 3 s 1000 C Minimum operational outsi...

Page 19: ...only Engine start run up taxi procedures 2 7 2 Taxi is not permitted for the jet sustainer Engine start up may be performed on the ground for maintenance purposes only Self launch 2 7 3 Self launch wi...

Page 20: ...rature restrictions when flying with the engine running The engine operation is certified for an air temperature range of 15 C to 40 C Flights in conditions below 15 C are prohibited When the outside...

Page 21: ...or instrument panel or furnished as a single Placard Booklet located against the left hand cockpit sidewall Refer to information furnished in the Placard Booklet in the JS03 AMM 00 001 JS 3 Aircraft M...

Page 22: ...3 Jet Sustainer Flight Manual Supplement JS03 AFM 00 002 Issue 00 32JS Rev 00 32JS Rev Date 08 02 2019 Page 2 7 Figure 2 2 Engine Start up Procedure Placard Figure 2 3 Engine Shut down Procedure Placa...

Page 23: ...uel Shutoff Placard The Emergency fuel shutoff for the jet is installed forward of the Bugwiper switches optional Forward is open and back will close both the fuel lines Figure 2 5 Fuel Type and Mixtu...

Page 24: ...irection of flow when refueling the glider The refueling procedure is described in detail in Section 4 10 3 Figure 2 7 Fuse Box Layout Placard The fuse box layout placard shows the fuse types values a...

Page 25: ...JS 3 Jet Sustainer Flight Manual Supplement JS03 AFM 00 002 Issue 00 32JS Rev 00 32JS Rev Date 08 02 2019 Page 2 10 Intentionally left blank...

Page 26: ...Retraction will only be initiated after the cooling down cycle has been completed Procedure to restart engine in flight 1 Restore normal flight attitude and stabilize airspeed at a safe flying speed...

Page 27: ...t sufficient airspeed is maintained 3 3 Fire Engine fire on the ground 3 3 1 An engine fire may occur following one or more failed start attempts In such a case unburned fuel inside the turbine may be...

Page 28: ...external high pressure air 4 Wait until all excess fuel inside the turbine is burnt 5 Do not retract the engine while hot or while any flames are visible If an engine fire spreads into the fuselage a...

Page 29: ...not running 1 Move the fuel valve switch to OFF 2 Leave the Jet Control toggle switch in RUN position until engine stops 3 Move the Jet Control toggle switch to EXT position Do not retract engine 4 Ob...

Page 30: ...fumes coming from the instrument panel take the following action 1 Switch off the master switch supplying the circuits 2 If a circuit breaker pops reset once only This is most probably the faulty circ...

Page 31: ...e switch to the EXT position 3 Observe the EGT if the exhaust stabilizes below 50 C 122 F the engine can be retracted once the pilot has assured himself that no abnormalities have been observed 4 If t...

Page 32: ...ted carefully to ensure its reliable operation NOTE If the jet system is not serviceable the aircraft is still deemed airworthy for normal gliding operation In this case the power supply to the system...

Page 33: ...or contaminants 4 Check fuel level 5 Cycle emergency fuel shutoff switch located in the cockpit clicking noise should be audible Operational inspection 4 3 2 1 Compare the EGT displayed on the JDU wit...

Page 34: ...XT RUN Jet Thrust Dial Figure 4 1 JDU Primary Controls The Jet Master switch is a 2 position ON OFF toggle switch while the Jet Control switch is a 3 position toggle switch The Jet Thrust Dial consist...

Page 35: ...002 Issue 00 32JS Rev 00 32JS Rev Date 08 02 2019 Page 4 4 The Jet Thrust Dial is used as follows in the settings mode Press and hold Enter settings mode Short press Select option Rotate dial Move cu...

Page 36: ...ting modes for the jet sustainer are selected using the JDU Jet Control toggle switch The primary modes are Retracted mode Extended mode Run mode The transition modes not directly selectable by the pi...

Page 37: ...Engine is running the engine will be switched OFF and cooled down The JDU will display the pylon in the extended state during this mode In the extended mode the RUN screen can be displayed on the JDU...

Page 38: ...ing the Thrust Control Dial Turning the dial clockwise increases the thrust and anti clockwise decreases the thrust During Normal Operation the Status LED the top LED will be constant green The thrust...

Page 39: ...ed by the white arc on the outside of the RPM arc NOTE It is good practice to advance the RPM slowly At higher density altitudes a flameout may occur if rapid throttle changes are made To shut down th...

Page 40: ...d to transition from the current mode to the newly selected mode The following main transition modes are explained Extending Starting Cooling Retracting Extending 4 7 1 Extending is initiated when the...

Page 41: ...ine is handed over from the start line to main fuel supply line Starter motor is disengaged ECU ramps engine up to idle RPM 30 000 During Start Mode the Status LED the top LED will be flashing green C...

Page 42: ...on or RET bottom position after the engine was running During this mode the starter motor will be turning the compressor to facilitate the correct cooling of the engine The JDU will display the pylon...

Page 43: ...the Cooling Mode Retracting will be initiated automatically only after the cooling cycle is completed During retraction the JDU will display a retracting pylon and the Engine Retraction LED will be fl...

Page 44: ...e system returns to normal operation The pilot can only increase the power after normal operation has been restored Over temperature protection 4 8 2 If the measured EGT exceeds the normal operation E...

Page 45: ...cockpit is in the OPEN forward position 2 Move the Jet Master Switch on the JDU to the ON position 3 Maintain a safe airspeed 100 km h 54 kts to 120 km h 65 kts 4 Move the Jet Control Switch to the R...

Page 46: ...ery little additional drag when extended the pilot must ensure enough height is available to land on a suitable field before attempting in flight engine start Inflight engine stop procedure 4 9 2 The...

Page 47: ...djusted by rotating the Thrust Control Dial To exit the maintenance mode the Thrust Control Dial is pressed and held until the Retracted Screen is displayed Ground start procedure 4 10 2 Ground starts...

Page 48: ...ch the Jet Control toggle switch to the RUN position 4 Only advance the throttle once the engine temperature has stabilised and it is safe to do so CAUTION Use ear protection during all Jet running te...

Page 49: ...engine to the correct position for refueling The fuel supply line is connected with a quick connector fitting located on the right side of the engine box The fuel quantity can be read on the Maintenan...

Page 50: ...breakers to the forward position for refueling 6 When the tanks are full determined by visual inspection of top tank or the desired amount of fuel has been dispensed the refueling de fueling switch mu...

Page 51: ...in operational De fueling 4 10 4 Defueling may be required for maintenance purposes replacement of old fuel or when fuel probe calibration is required Defueling is performed using the same procedure...

Page 52: ...ystem of the glider malfunctions the alternative refueling method can be used in order to fill the tanks For this method of refueling defueling an external pump is required The fuel hose is plugged in...

Page 53: ...JS 3 Jet Sustainer Flight Manual Supplement JS03 AFM 00 002 Issue 00 32JS Rev 00 32JS Rev Date 08 02 2019 Page 4 22 Intentionally left blank...

Page 54: ...ine status and information display Information is displayed to the pilot on the Jet Display Unit JDU 5 1 Status Indicators Powerplant status is indicated by colored LEDs above and below the screen as...

Page 55: ...Caution condition example low fuel Steady red Warning condition Any normal operational warning Retracted temperature too high Retraction Status Steady green Engine fully retracted Flashing green Engi...

Page 56: ...in the center of the screen A needle indicates the RPM on an analogue scale and the numeric value is also indicated in the center The limitations and color convention are given in the following table...

Page 57: ...t on the right hand side of the screen and the numeric value in degrees Celsius is displayed in the top right corner The limitations and color convention are given in Table 5 1 3 EGT range EGT Bar Col...

Page 58: ...alue and measured fuel flow during operation The fuel bar and quantity text display similar values Probe and calculation 5 1 8 When Both is selected the fuel bar displays the fuel quantity as measured...

Page 59: ...00 32JS Rev Date 08 02 2019 Page 5 6 Other information 5 1 10 Additional information is displayed on the bottom left of the screen Pressing the Thrust Control Dial cycles the bottom left display windo...

Page 60: ...Page 5 7 5 2 Error messages Error messages are displayed on the bottom of the JDU screen Errors during Starting 5 2 1 Following error messages may occur during start up No Ignition No Idle Speed No H...

Page 61: ...t As a result the start sequence was terminated Possible Causes Fuel valve not open No fuel in fuel tanks No fuel in start or main fuel lines priming required Glow plug not warm enough due to o Batter...

Page 62: ...dle RPM after a pre set time interval factory default is 30 seconds As a result the start sequence was terminated Possible Causes Fuel valve not open No fuel in fuel tanks No fuel in start or main fue...

Page 63: ...2019 Page 5 10 5 2 1 3 Heater No Current Error Description No current was detected after the glow plug was switched on Possible Causes Glow plug fuse blown on the ECU Defective glow plug Wiring defec...

Page 64: ...2 2019 Page 5 11 5 2 1 4 Heater Over current Error Description Glow plug exceeded maximum allowed current Possible Causes Defective glow plug Wiring defect Pilot action required Attempt one more start...

Page 65: ...ge 5 12 5 2 1 5 Starter Over current Error Description Starter motor exceeded maximum allowable current Possible Causes Defective starter motor Serious engine defect Pilot action required Attempt one...

Page 66: ...ev 00 32JS Rev Date 08 02 2019 Page 5 13 5 2 1 6 Start valve Over current Error Description Start fuel line exceeded maximum allowable current Possible Causes Electrical defect Pilot action required R...

Page 67: ...0 32JS Rev Date 08 02 2019 Page 5 14 5 2 1 7 Fuel valve Over current Error Description Main Fuel line solenoid exceeded maximum allowable current Possible Causes Electrical defect Pilot action require...

Page 68: ...Overheat Flameout No RPM Pump Overcurrent 5 2 2 1 Overheat Error Description Measured EGT exceeded 850 C 1562 F Possible Causes Defective engine Engine fire Defective RPM sensor causing an engine ove...

Page 69: ...sured EGT dropped below minimum pre set value Possible Causes Fuel starvation Throttle advance too fast after start up Spool up failure at high density altitudes Low battery voltage Incorrect EGT meas...

Page 70: ...02 2019 Page 5 17 5 2 2 3 No RPM Error Description No RPM signal is measured during operation Possible Causes Engine stopped during RUN mode RPM sensor failure Sensor board failure Pilot action requir...

Page 71: ...Page 5 18 5 2 2 4 Pump overcurrent Error Description Fuel pump exceeded maximum allowable current Possible Causes Fuel pump failure Blocked or restricted fuel filters Fuel solenoid failure Pilot actio...

Page 72: ...ercurrent Kinematic timeout No Data from ECU No SD Card 5 2 3 1 Kinematic overcurrent Error Description The electromechanical actuator driving the pylon exceeded maximum allowable current Possible Cau...

Page 73: ...5 2 3 2 Kinematic timeout Error Description The electromechanical actuator driving the pylon did not reach the limit switches within the pre set time duration Possible Causes Mechanical defect in the...

Page 74: ...08 02 2019 Page 5 21 5 2 3 3 No data from ECU Error Description The JDU cannot establish communication with ECU Possible Causes Low battery voltage Cable not plugged into the JDU Wiring defect ECU def...

Page 75: ...2019 Page 5 22 5 2 3 4 No SD Card Error Description The ECU cannot detect the internal SD card Possible Causes Internal SD card is removed from ECU Defective SD card ECU defect Pilot action required A...

Page 76: ...02 Issue 00 32JS Rev 00 32JS Rev Date 08 02 2019 Page 6 1 6 Performance 6 1 Engine performance Figure 6 1 provides an indication of the change in static thrust and fuel consumption versus RPM Figure 6...

Page 77: ...us power and glide with engine off and retracted NOTE The range specified in Table 6 2 1 and Table 6 2 2 applies to both the 15 m and 18 m configurations In 18 m configuration fly 3 less than specifie...

Page 78: ...m Glide Dist km Total Dist km 80 000 SL 1000 151 0 7 70 55 125 1000 2000 144 0 6 80 50 130 2000 3000 137 0 5 90 45 135 97 000 SL 1000 173 2 1 47 97 144 1000 2000 165 1 8 54 93 147 2000 3000 155 1 5 61...

Page 79: ...Climb Dist NM Glide Dist NM Total Dist NM 80 000 SL 3300 82 1 4 38 30 68 3400 6700 78 1 2 43 27 70 6700 10000 74 1 0 49 24 73 97000 SL 3300 93 4 0 25 52 77 3300 6700 89 3 5 29 50 79 6700 10000 84 2 9...

Page 80: ...Endurance hh mm Range km h kts km nm 300 m 1000 ft 70000 158 85 00 39 105 57 75000 183 99 00 32 99 53 80000 202 109 00 27 92 50 85000 219 118 00 23 84 45 90000 235 127 00 20 77 42 95000 250 135 00 17...

Page 81: ...JS 3 Jet Sustainer Flight Manual Supplement JS03 AFM 00 002 Issue 00 32JS Rev 00 32JS Rev Date 08 02 2019 Page 6 6 Intentionally left blank...

Page 82: ...matic system is driven by a 12 volt electromechanical linear actuator with integral limit switches The actuator is controlled by the JDU and is used to operate the front pylon main doors as well as th...

Page 83: ...d raised position Main doors 7 1 2 The opening and closing of the jet main doors are operated by a cam driven bellcrank assembly Two pushrods attached to the bellcrank assembly open and close the main...

Page 84: ...by a pushrod and spring attached to the cam Figure 7 3 shows the pylon in the extended raised position with the front door opened downwards movement into the engine bay When the pylon is retracted by...

Page 85: ...s to select fuel supply from the different tanks Fuel management is facilitated by components fixed to the right side of the bottom fuel tank The fuel circuit is comprised of aluminum tubing and alumi...

Page 86: ...or on the right hand side of the engine box Refer to section 4 10 for more detail on refueling and de fueling This same connection can be used to drain the fuel from the tanks Alternatively the fuel d...

Page 87: ...JS 3 Jet Sustainer Flight Manual Supplement JS03 AFM 00 002 Issue 00 32JS Rev 00 32JS Rev Date 08 02 2019 Page 7 6 Figure 7 5 Fuel System Layout Diagram...

Page 88: ...d 45 minutes of run time At maximum RPM the system consumes approximately 5 5 A at 12 V The Jet System battery is connected through a bulkhead fitting in the fuselage center section shelves The turbin...

Page 89: ...JS 3 Jet Sustainer Flight Manual Supplement JS03 AFM 00 002 Issue 00 32JS Rev 00 32JS Rev Date 08 02 2019 Page 7 8 Figure 7 6 Schematic Layout of Electrical System...

Page 90: ...age 8 1 8 Settings The Settings Screen is selected by pressing and holding the Thrust Control Dial The following options are available in the Settings menu Setting fuel and battery Levels Setting oper...

Page 91: ...figuration section to change this configuration The remaining battery capacity can be seen when selecting the Set battery capacity selection box As it is normally not possible to measure the remaining...

Page 92: ...e these values in real time The Engine Control Unit ECU logs all engine parameters including the set Altitude and OAT 8 3 Viewing Engine log The Engine log pages provide engine usage data On the main...

Page 93: ...2JS Rev 00 32JS Rev Date 08 02 2019 Page 8 4 8 4 Password The Configurations section is accessible by entering the given code in the Password box using the Jet Thrust Dial CAUTION Incorrect configurat...

Page 94: ...he JDU Trust Dial default or via an external analogue throttle The second option is not available in M D installations In the Throttle start RPM setting the power setting after start can also be selec...

Page 95: ...isplay during operation 8 5 2 2 Maximum quantity The maximum usable fuel quantity is adjustable in the Maximum quantity box The default setting for the JS 3 is 21 l 5 55 gal 8 5 2 3 Max Fuel sensor le...

Page 96: ...the measured fuel level from the fuel probe 0 is empty 1024 is full When rotating the Thrust Control Dial the d value is updated from the fuel probe Calibration of the fuel pressure sensor is explaine...

Page 97: ...JS 3 Jet Sustainer Flight Manual Supplement JS03 AFM 00 002 Issue 00 32JS Rev 00 32JS Rev Date 08 02 2019 Page 8 8 Intentionally left blank...

Page 98: ...starts with an overview table of all optional SBs in which the owner or operator should mark which SBs he voluntary implemented and which not All implemented optional SBs must be printed and added to...

Page 99: ...JS 3 Jet Sustainer Flight Manual Supplement JS03 AFM 00 002 Issue 00 32JS Rev 00 32JS Rev Date 08 02 2019 Page 9 2 Intentionally left blank...

Page 100: ...JS 3 Jet Sustainer Flight Manual Supplement JS03 AFM 00 002 Issue 00 32JS Rev 00 32JS Rev Date 08 02 2019 Page 10 1 10 STCs and Minor Change Approvals Reference No Rev Date Description...

Page 101: ...JS 3 Jet Sustainer Flight Manual Supplement JS03 AFM 00 002 Issue 00 32JS Rev 00 32JS Rev Date 08 02 2019 Page 10 2 Intentionally left blank...

Page 102: ...e 11 1 11 Contact 11 1 Type Certificate Holder Jonker Sailplanes Pty Ltd 1 Tiger Moth Street 26446 Potchefstroom South Africa 27 0 82 897 8977 Mail info js1 co za 11 2 Manufacturer Maintenance Jonker...

Page 103: ...JS 3 Jet Sustainer Flight Manual Supplement JS03 AFM 00 002 Issue 00 32JS Rev 00 32JS Rev Date 06 02 2019 Page 11 2 Intentionally left blank...

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