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JS-MD 3 RES 

Flight Manual Supplement 

MD11-AFM-00-002 
Issue: 02 

 

Rev. 00 

Rev. Date: 24-Mar-23 

Page 7

–3 

 

The rate of climb at Maximum Power (MP) and Maximum Continuous 

Power (MCP) in relation to aircraft weight is illustrated in Figure 7-1.

 

Figure 7-1 Rate of climb vs aircraft weight at ISA conditions 

Figure  7-2  illustrates  the  recommended  take-off  profile  for  the  JS-3 
RES in 18m configuration at maximum weight. 

 

Figure 7-2 Recommended Take-off profile at maximum weight

 

Summary of Contents for JS-MD 3 RES

Page 1: ...JS MD 3 RES Aircraft Flight Manual Supplement...

Page 2: ...3 RES Flight Manual Supplement Issue 02 Date of issue 24 March 2023 Created by Release by HOA The technical content of this document is approved under the authority of the DOA ref EASA 21J 603 Section...

Page 3: ...JS MD 3 RES Flight Manual Supplement MD11 AFM 00 002 Issue 02 Rev 00 Rev Date 24 Mar 23 Page ii Intentionally left blank...

Page 4: ...ty of pylon propeller when extended Added check for operation of fan at a controller temperature of 40 C 104 F and higher Caution added to always verify vertical alignment of propeller via the rear vi...

Page 5: ...0 00 24 03 2023 10 Issue 2 1 00 24 03 2023 2 Issue 2 2 00 24 03 2023 10 Issue 2 3 00 24 03 2023 6 Issue 2 4 00 24 03 2023 10 Issue 2 5 00 24 03 2023 6 Issue 2 6 00 24 03 2023 16 Issue 2 7 00 24 03 202...

Page 6: ...JS MD 3 RES Flight Manual Supplement MD11 AFM 00 002 Issue 02 Rev 00 Rev Date 24 Mar 23 Page 0 3 Record of Amendments Date of Issue Revision Date of Insertion Signature...

Page 7: ...1 Warnings Cautions and Notes 1 1 Descriptive Data 1 2 Technical Data 1 2 RES Illustration 1 2 2 Limitations 2 1 Airspeed Limits 2 1 Airspeed Indicator Markings 2 1 Powerplant Instrument Markings 2 2...

Page 8: ...cedure 6 11 Inflight Start Procedure 6 13 Inflight motor Stop Procedure 6 14 Ground Operation Procedures 6 15 7 Performance 7 1 Take Off Performance dual battery 7 2 Take Off Performance single batter...

Page 9: ...JS MD 3 RES Flight Manual Supplement MD11 AFM 00 002 Issue 02 Rev 00 Rev Date 24 Mar 23 Page 0 6 13 Contact 13 1 Type Certificate Holder 13 1 Manufacturer 13 1...

Page 10: ...arging port in cockpit 6 2 Figure 6 3 Inside aircraft charging diagram single battery 6 3 Figure 6 4 Single battery with terminal connector 6 3 Figure 6 5 Outside aircraft battery charging diagram dua...

Page 11: ...Performance dual battery 7 4 Table 7 3 Sustained Performance single battery 7 6 Table 7 4 Cruise Flight Performance 7 7 Table 8 1 Battery Technical Data 8 3 List of Abbreviations AMM Aircraft Mainten...

Page 12: ...Maximum Power MTOW Maximum Take Off Weight OAT Outside Air Temperature PRS Power Rail Supply RES Rear Electric System RFU Retraction and Fuse Unit RPM Revolutions per Minute SB Service Bulletin SOC S...

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Page 14: ...al as the JS 3 RES Certification Basis Refer to the JS MD 3 RES Aircraft Flight Manual Section 1 2 Warnings Cautions and Notes The following definitions apply to Warnings Cautions and Notes used in th...

Page 15: ...ft during conventional soaring flights Technical Data System Technical Data Propulsion System SOLO Electric Propulsion System 80400 Propeller Type Technoflug KS 1C 120 R 065 S Max Propeller Speed 4350...

Page 16: ...limitations and their operational significance Speed IAS Remarks Vmax Maximum speed to operate the RES 150 km h 80 9 kts Do not exceed this speed with the motor running VPE Powerplant extended maximu...

Page 17: ...tery temperature Motor temperature Controller temperature Operating limits are displayed in green when in the normal operating range in yellow when in the caution range and in red indicating the maxim...

Page 18: ...itions 3800 RPM Maximum motor temperature 120 C 248 F Maximum controller temperature 85 C 185 F Maximum HV battery temperature 70 C 158 F Maximum operating altitude AMSL Same as airframe Minimum HV ba...

Page 19: ...th RES system installed are not permitted 2 5 1 Approved Flight Rules Operation of the JS 3 RES in sustained flight is approved for VFR flight by day in VMC conditions only 2 5 2 Motor Start Run Up Ta...

Page 20: ...pre take off HV Battery temperature 0 C 32 F Maximum pre take off HV Battery temperature 32 C 90 F 12V battery supply minimum voltage 12 8 V Table 2 5 Dual Battery Self launch Limitations NOTE Self l...

Page 21: ...klet Magnetic direction indicator Aerotow Assisted Self Launch Maximum approved towing speeds and maximum weak link ratings for assisted aerotow launching are listed in and Error Reference source not...

Page 22: ...is certified for an air temperature range of 15 C to 38 C 5 F to 100 F Altitude limitations The aircraft has no additional altitude limitations whilst operating the RES Refer to Section 7 1 for prope...

Page 23: ...JS MD 3 RES Flight Manual Supplement MD11 AFM 00 002 Issue 02 Rev 00 Rev Date 24 Mar 23 Page 2 8 Figure 2 1 RES limitations placard Figure 2 2 Motor start and stop procedure placard...

Page 24: ...ery bay to warn ground personnel and rescue teams that a high voltage system is present and to point rescue teams to a Rescue Card see Figure 2 5 located in the cockpit or accessible by scanning the Q...

Page 25: ...JS MD 3 RES Flight Manual Supplement MD11 AFM 00 002 Issue 02 Rev 00 Rev Date 24 Mar 23 Page 2 10 Figure 2 5 Rescue Card...

Page 26: ...lamination or signs of impact damage Motor bay Clean no obstructions Retraction mechanism All fasteners secured Door hinges All connected and intact Exhaust nozzles and elbows Clear on batteries and i...

Page 27: ...ay doors during pylon retraction as propeller tip and or door damage may occur Propeller Alignment Test 1 Switch the guarded RES master switch ON 2 Activate the HV power by pushing the EXT RETR toggle...

Page 28: ...power supply source Switch the guarded RES master switch ON Ensure no people are within the proximity of the pylon or propeller Extend the pylon by pushing the EXT RETR switch upwards once the pre cha...

Page 29: ...e switch downwards once pylon movement will immediately pause and the DCU will automatically change to MANUAL mode If the pylon is retracting in AUTO mode press the EXT RETR toggle switch upwards once...

Page 30: ...assembled aircraft positioned well away from obstacles Never perform the ground run with the fuselage assembled or disassembled aircraft placed in the trailer cradle on the extension rails WARNING No...

Page 31: ...JS MD 3 RES Flight Manual Supplement MD11 AFM 00 002 Issue 02 Rev 00 Rev Date 24 Mar 23 Page 3 6 Intentionally left blank...

Page 32: ...h controls the 12 V power supply to the RES An adjacent battery selector toggle switch enables the pilot to select the 12 V supply from either of the removable 12 V batteries Figure 4 1 Guarded RES ma...

Page 33: ...nitoring is disconnected The supplemental fire warning system Section 8 4 is independent and remains active DCU primary controls The Display and Control Unit DCU has two primary controls Command knob...

Page 34: ...time hh mm Battery voltages HV L 12 V HV R State of Charge of left and right HV batteries Maximum cell temperature in HV battery Motor temperature Controller temperature When pushing the EXT RETR togg...

Page 35: ...witched ON and connected to the power rail 3 The DC DC converter is activated and the selected 12 V battery is charged at a higher rate and the second 12 V battery is charged at a reduced rate See sec...

Page 36: ...Abort Procedure in Section 5 2 5 Manual pylon operation is entered by a single push in either the upwards or downward opposite direction whilst in AUTO mode CAUTION When the pylon is operated in manu...

Page 37: ...elivered by batteries State of Charge of HV batteries Maximum cell temperature in HV battery Motor temperature Controller temperature The desired power can be adjusted in the propulsion mode as follow...

Page 38: ...V charging is in progress Charging is activated by entering the System Screen and setting Charge Supply Voltage to ON When pressing the rotary command knob during boot up or operation mode the display...

Page 39: ...follows Standby screen Messages screen System screen 4 4 1 Messages Screen Errors warnings cautions and information messages are stored by the DCU and can be viewed by the pilot in the message screen...

Page 40: ...ality Enable disable charging of the 12 V supply battery from the HV batteries Provide information from the Insulation Monitor Device IMD and system voltages Calibrate the pylon actuator travel see JS...

Page 41: ...ng caution info messages cover the lower part of the screen A small triangle in the top right corner will be displayed as a reminder that a message exists The triangle has the same colour as the origi...

Page 42: ...of the following warnings will be displayed to the pilot No Data from Isometer Isometer defect Isometer Ground Failure Insulation Problem If any of these messages are received switch off the RES maste...

Page 43: ...reduce the additional drag and continue the flight as a pure glider Recycle the system in an attempt to clear the failure mode 1 Select a suitable landing field to perform a safe landing 2 Set attitu...

Page 44: ...attempt to restore power as described in the next section 5 2 3 Power loss during flight If the 12 V supply power or HV battery power is lost during flight the propeller will windmill The following a...

Page 45: ...value shuts OFF power to the motor when limit temperatures are exceeded 5 2 5 Take Off Abort Procedure When it is required to abort a take off the following procedure is recommended To remove power i...

Page 46: ...he RES master switch 2 Switch OFF all instruments and the avionics master switch 3 Get out of the cockpit 4 Extinguish the fire NOTE A Li ion battery fire is considered a Class B fire Therefore a stan...

Page 47: ...bay via heat trace wires and temperature switches The red LED warns the pilot of a thermal event in the motor bay and does not necessarily confirm the presence of flames or burning NOTE Each battery i...

Page 48: ...rminal connector located in the charge port behind the pilot s left elbow as shown in Figure 6 2 and connect the Cable A charger plug to the charge port in the fuselage see Figure 6 1 2 Insert a termi...

Page 49: ...the process Once batteries are fully charged the battery manager switches off the charging process and the DCU displays the standby screen If a single battery is charged inside the fuselage the termin...

Page 50: ...MD 3 RES Flight Manual Supplement MD11 AFM 00 002 Issue 02 Rev 00 Rev Date 24 Mar 23 Page 6 3 Figure 6 3 Inside aircraft charging diagram single battery Figure 6 4 Single battery with terminal connect...

Page 51: ...charger is switched on the storage charging mode is activated batteries must be below 50 SOC for storage charge to occur Figure 6 5 Outside aircraft battery charging diagram dual battery Once the cha...

Page 52: ...Outside aircraft charging diagram single battery NOTE Batteries should be charged at temperatures between 23 C and 45 C 73 F and 113 F Charging at lower temperatures will result in batteries not bein...

Page 53: ...is not activated the propeller alignment function is inactive Take care that the propeller is aligned when extending the pylon to avoid damage to the propeller or doors 4 Switch the RES master switch...

Page 54: ...sed additionally insert or ensure that a terminal connector is installed in the unused receptacle as illustrated in Figure 6 8 Figure 6 8 Terminal connector installations single battery 9 Switch the R...

Page 55: ...d in Aerotow speed table Flap setting Airspeed km h kts Recommended aerotow speed No water ballast 4 130 km h 70 2 kts Recommended aerotow speed MTOM 4 140 km h 75 6 kts Minimum safe aerotow speed No...

Page 56: ...onal aerotow rope lengths The speed and flap range is equal to Error Reference source not found with the difference that the minimum safe speed is 125 km h 67 5 kts and the maximum speed is limited to...

Page 57: ...ediately in case of an aborted take off WARNING In case of an aborted take off while the glider is still on the ground switch the Master RES switch immediately off release the towing cable and apply t...

Page 58: ...tem is ready for power to be applied 5 Ensure all pre take off checks have been performed and the parameters are within limits 6 If an air cooled system is installed open the cockpit ball vent and the...

Page 59: ...ntionally bump the toggle switch when adjusting the rotary command knob from MP to MCP WARNING Ensure the batteries are sufficiently charged and that sufficient runway is available to perform a safe t...

Page 60: ...s powered up and the pylon is extended 4 In case of an air cooled system open the cockpit ball vent and the canopy side window 5 When the system is fully extended and DCU shows the status READY the sy...

Page 61: ...the DCU 2 Using the rear view mirror visually verify the propeller is in the vertical position NOTE If the prop is not aligned in the vertical position momentarily apply power the propeller performs a...

Page 62: ...pylon position is stored by the DCU when the system is shut down Powering OFF the DCU during maintenance and then powering ON the DCU will not result in the pylon automatically moving to an extended o...

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Page 64: ...2 T O distance Density Altitude Add 1 T O distance for every degree Celsius above ISA conditions corrected to airfield altitude with 6 5 C per 1000 m Headwind 10 km h 5 kt headwind subtract 7 5 T O d...

Page 65: ...d surface 15m obstacle 430 m 1410 ft Peak power to clear 15m obstacle 40 kW for 1 min Energy used to climb 500 m 1640 ft 2 1 kWh Max altitude gain 1700 m 5577 ft Sustained range after self launch 120...

Page 66: ...r MP and Maximum Continuous Power MCP in relation to aircraft weight is illustrated in Figure 7 1 Figure 7 1 Rate of climb vs aircraft weight at ISA conditions Figure 7 2 illustrates the recommended t...

Page 67: ...single battery is not allowed due to the high electrical current requirement on the battery that will reduce battery life Sustained Performance dual battery Table 7 3 provides performance data for su...

Page 68: ...al Supplement MD11 AFM 00 002 Issue 02 Rev 00 Rev Date 24 Mar 23 Page 7 5 Figure 7 3 Optimum flight profile for dual battery operation NOTE The sustained range is reduced by approximately 25 following...

Page 69: ...rmance with single battery Reference mass 460 kg 1014 lbs Climb rate at MP 25 kW for 4 min 2 0 m s 394 ft min Climb rate at MCP 12 5 kW 0 8 m s 157 ft min Max altitude gain approx 900 m 2953 ft Max su...

Page 70: ...l flight performance data Optimum cruise speed is 120 km h 65 kts with flap in position three Cruise flight performance Reference mass 480 kg 1058 lbs Rate of Climb 8 kW Level Flight Power setting 8 k...

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Page 72: ...ich is located in the bottom of the fuselage aft of the landing gear is controlled by the Retraction and Fuse Unit RFU and operates the pylon via a pushrod link The motor bay door opening closing mech...

Page 73: ...r bay walls Figure 8 1 Emectric HV battery Batteries are sealed to minimize the risk of a battery fire The type of Li Ion cell used in the batteries is sensitive to excessive heat and may spontaneousl...

Page 74: ...384 Configuration 96S4P Battery Voltage 270V 400V Nominal Voltage 350V Max continuous current 60 A Usable Energy available energy decreases with high power settings 3 4 4 2 kWh per battery Battery Wei...

Page 75: ...Date 24 Mar 23 Page 8 4 Electrical System A detailed description of the RES electrical system can be found in the JS MD 3 RES AMM Supplement 8 3 1 System Overview The RES consists of the components i...

Page 76: ...the circuit via one or both of the heat trace cables in the motor compartment being exposed to enough heat to melt the separation material within the cable core and allowing the internal conductor wir...

Page 77: ...ery charging Figure 8 3 RES HV battery charger Refer to the battery charging instruction sheet located inside the lid of the charger case for additional information 8 5 2 Termination Plugs Refer to Se...

Page 78: ...ted life from the battery Always store the batteries in a safe location away from temperature extremes solar radiation and precipitation Do not leave batteries inside a car on a sunny day or outside e...

Page 79: ...covered with water proof all weather covers or the motor bay door gaps are fully taped to prevent water intrusion Light weight outdoor covers and hangar dust covers provide inadequate outdoor protect...

Page 80: ...air and or electrical contact cleaner spray Additionally inspect the fasteners that secure the connector to the shell Verify the locator guide pin at the front of the shell is without any play and ri...

Page 81: ...ight Manual Supplement MD11 AFM 00 002 Issue 02 Rev 00 Rev Date 24 Mar 23 Page 9 4 CAUTION Always observe trailer manufacturer s guidelines for trailer tongue drawbar weight as a percentage of total t...

Page 82: ...ation is possible Battery Empty Stop Motor The state of charge of one battery is below 2 Battery TOO HOT Stop Motor Battery temperature is too high for operation Danger of permanent damage to the batt...

Page 83: ...The spindle is switched on but there is no feedback The spindle seems to be blocked Retraction Mechanism Timeout Spindle blocked Spindle was powered for more seconds that OEM Adjustable limit Precharg...

Page 84: ...st Discharge only Maintenance necessary BATTERY A Temperature Reg Discharge Only Maintenance Error during selftest Discharge only Maintenance necessary BATTERY A Cell Voltage Reg Discharge Only Mainte...

Page 85: ...rent Reset Power Hardware shutoff due to high current Reset by power cycle BATTERY A Off Permanent Shutoff Maintenance Required At least one battery cell voltage is 2 0 V Battery is permanently shutof...

Page 86: ...one battery cell voltage gets down to the low level Remove Charger If in standby motor operation is demanded but the charger is still connected Motor Current Limit Temperature Motor Controller Motor...

Page 87: ...ent reached MC 2 Supply Fail 12V second voltage supply missing MC Secondary Feedback Fail Secondary resolver signal faulty or missing Primary resolver signal active MC BALLAST Ballast circuit 87 overl...

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Page 89: ...h an overview table of all optional SBs in which the owner or operator should record which SBs were voluntarily implemented and which not All implemented optional SBs must be printed and added to this...

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Page 91: ...JS MD 3 RES Flight Manual Supplement MD11 AFM 00 002 Issue 02 Rev 00 Rev Date 24 Mar 23 Page 12 1 12 STCs and Minor Change Approvals Reference No Rev Date Description...

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Page 93: ...e 13 1 13 Contact Type Certificate Holder M D Flugzeugbau GmbH Co KG Streeker Stra e 5B 26446 Friedeburg Germany 49 0 4465 97878 11 Mail info md flugzeugbau de Manufacturer M D Flugzeugbau GmbH Co KG...

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