05/2019
Operating instructions
JetCat PRO Engines
Page 1: ...05 2019 Operating instructions JetCat PRO Engines...
Page 2: ...NECTION OVERVIEW PRO INTERFACE 20 Battery and engine connection 20 GSU LED s and expansion connectors 20 RC Servo PWM inputs Telemetry output Airspeed input 21 Power on via RC signal 21 CAN Bus Serial...
Page 3: ...39 PREPARING FUEL AND FUEL SYSTEM 39 PRIME THE PUMP AND SYSTEM 40 RUNNING THE ENGINE FOR THE FIRST TIME 41 INITIAL ADJUSTMENTS 41 THE CHECKLIST 41 Before Running the engine 41 After Stopping the engin...
Page 4: ...and its operating procedures equipment and accessories Study the material step by step and ascertain how to install operate and maintain your jet engine If you are unsure about anything re read it aga...
Page 5: ...upon request JetCat PRO engine features Integrated Engine Components ECU electronic control unit Electric starter motor or brushless starter generator depending on engine type Brushless fuel pump Fuel...
Page 6: ...ature allows to connect multiple engine to same serial interface 1x analogue voltage control sensor input 1x JetCat Bus interface e g for connection of GSU and or other JetCat accessories LCU flow sen...
Page 7: ...reas WARNING The construction and operation of the model and or engine under the influence of alcohol drugs medicines etc are strictly forbidden These activities must take place only in the best physi...
Page 8: ...when working with the engine Before operation make sure there are no lose parts or debris near the engine Objects being sucked in can cause severe damage If your installation allows we highly recommen...
Page 9: ...se safety areas are kept free of persons during operation Always wear safety glasses when operating a jet engine Make sure intake area is free of any parts obstacles possibly being sucked in by the co...
Page 10: ...perer GmbH 49 7634 5056 800 Wettelbrunner Stra e 6 sales jetcat de 10 79282 Ballrechten Dottingen www jetcat de GERMANY Instruction manual JetCat PRO engines 1 7 V12 01V Hazard areas on engine idle 20...
Page 11: ...ated mounting brackets are available for mounting of the engine Place the brackets around the engine as shown in the pictures below Do not over tighten the fixing screws not to deform the engines casi...
Page 12: ...ustomer specific connector Connector B XT60 power connector Or customer specific connector Fuel inlet fuel pump is inside of engine Do not use a filter in the suction line just an UAT air trap or larg...
Page 13: ...UX PWM input RC PWM Signal AUX 8 Safety Shutdown input engine kill signal Safety shut down input This is an input for additional flight termination systems This input pin should not be used to stop th...
Page 14: ...res that a running engine cannot be accidentally shut down even if there should be glitches on the power on signal ECU will only power down if the engine is not running and cool down has finished 3 co...
Page 15: ...ived from one of the RC control inputs Thr Aux In this case the system powers on automatically when the receiver is switched on Attention Fire A LiPo LiFePo battery can explode if incorrect charge par...
Page 16: ...ERMANY Instruction manual JetCat PRO engines 1 7 V12 01V Expansion connector C The 4 pin Molex expansion connector on the front side of the engine provides data and switched power to other optional Je...
Page 17: ...mended due to possible generation of cavitation air bubbles Fuel Connection Diagram Standard Do not use a filter in the suction line to the engine just an UAT air trap or large felt clunk On engines a...
Page 18: ...to 3 5 bars can be reached In case bleed air is not required used please block the outlet by a piece of crimped tubing Typically bleed air is used to pressurize the onboard fuel system to avoid degas...
Page 19: ...dapter if desired Furthermore the PRO Interface allows for an easy access point to connect other accessories such as One or two channel RC control from receiver Telemetry output for Jeti Graupner Hott...
Page 20: ...ction Overview PRO Interface Top view Battery and engine connection Side view GSU LED s and expansion connectors 3x Status LED s 8 pin ERNI connector expansion connector e g to LCU 6 pin ERNI connecto...
Page 21: ...ower on via RC signal Besides the control function the positive supply voltage on the servo inputs THR AUX is used to power up the ECU engine This means the ECU engine will switched on as soon as the...
Page 22: ...s two serial interfaces COM1 COM2 COM1 is the main control interface COM2 is used for special tasks as e g synchronizing two engines cross checking feature Signal level on COM1 2 is 3 3V TTL per defau...
Page 23: ...5056 800 Wettelbrunner Stra e 6 sales jetcat de 23 79282 Ballrechten Dottingen www jetcat de GERMANY Instruction manual JetCat PRO engines 1 7 V12 01V System Connection diagram with PRO Interface Con...
Page 24: ...sales jetcat de 24 79282 Ballrechten Dottingen www jetcat de GERMANY Instruction manual JetCat PRO engines 1 7 V12 01V Connection diagram B Battery connection via PRO Interface This way of connecting...
Page 25: ...even when the engine is running Connection of GSU There are different ways to connect a GSU to the JetCat PRO engine A GSU connects to engine sided 4 pin Molex connector A GSU can be connected to the...
Page 26: ...uns starter motor for testing or together with Set key to direct start stop engine from GSU Starter LED yellow Ignition LED red Pump running LED red OK LED green Change value key for altering engine p...
Page 27: ...alue is admissible to change a small arrow appears in the display before the value If the indicated value cannot be changed e g current RPM or temperature the display will indicate that the Value Item...
Page 28: ...ensure safe engine operation in a very high altitude band If selected there are further options to simulate dry run the engine This allows e g to test the serial communication without hot running the...
Page 29: ...l 4 14V GND DC 4 14V Connector A optional switch 20mA max When using the JetCat PRO interface this can be accomplished like this Power on via RC signal from receiver Whenever a voltage is applied to a...
Page 30: ...keys Action Buttons to be pressed Comment Engine Start Stop Press and hold Set and additionally press Spool If engine is Off engine will be started If engine is running engine will be shut off Increa...
Page 31: ...s no longer available A suggested typical wiring of e g a potentiometer for engine thrust control to this input would then look like this 10 kOhm Potentiometer to airspeed sensor input 1 8 kOhm Switch...
Page 32: ...e key scroll through the selections until AUX channel func is displayed There are three selections in the AUX channel func menu While pressing the Change Value key use the or key to scroll through the...
Page 33: ...afe Keep it in hold mode only The auxiliary channel is always designed to stop the engine instantly if commanded to do so For spread spectrum radios there are two different ways to set the failsafe It...
Page 34: ...ally disable the auxiliary channel in the limits menu 2 While pressing the Select Menu key on the GSU switch on the receiver engine Note Instead of the Select Menu key on the GSU the small button swit...
Page 35: ...turn off and the yellow Standby LED will illuminate The GSU screen will display Throttle channel Full Power position 6 Advance the throttle stick to maximum Press Select Menu or the LED I O board butt...
Page 36: ...y LED will turn off 12 The green OK LED will flash and the display will briefly show SAVING SETUP DAT and then return to the normal default RUN screen Return the throttle stick and trim to the minimum...
Page 37: ...sult gives a slight logarithmic relation between throttle command and effective engine thrust For most applications this gives a good handling of the engines response versus throttle command In case a...
Page 38: ...Instruction manual JetCat PRO engines 1 7 V12 01V Example 3 Parameter throttle curve set to 1 0 gives the following relation linear throttle to rpm curve Example 4 Parameter throttle curve set to 0 5...
Page 39: ...l or when operating fueling defueling etc never handle near an open flame Please do not spill or empty fuel to the ground The JetCat engine can use deodorized kerosene 1 K kerosene or Jet A1 for fuel...
Page 40: ...elect menu key and select the Test Functions menu Press the Change Value Item key to run the pump If you want to change the voltage the pump runs at press either the or while pressing the Change Value...
Page 41: ...wind Stop engine During the cooling process the receiver switch can be shut off at any time When the cooling process is complete the ECU will automatically shut off After each flying session defuel t...
Page 42: ...ngine to a constant speed and then starting fuel pulses into the engine until the combustion chamber rises above 120 degrees C The yellow Standby LED will illuminate when the starting motor engages Sh...
Page 43: ...tion manual JetCat PRO engines 1 7 V12 01V GSU Run menu default display symbols Initial default display screen after power up After power up error condition display screen Exhaust temperature in C Bat...
Page 44: ...at PRO engines 1 7 V12 01V Engine starting display screen Engine running display screen Flashing E EGT sensor defective Last Off Condition Low RPM shut off from previous run Exhaust temperature in C C...
Page 45: ...by injecting kerosene into the Kerosene Igniter The pump and the internal starting fuel solenoid will begin pulsing MainF On Main fuel solenoid opens and kerosene is modulated into the engine AccelDl...
Page 46: ...ttryLow Battery pack is dead Cell voltage is 1 0V 9 Auto Off Turbine shut down via the AutoOff sequence using the AUX channel 10 LowTemp EGT dropped below the minimum value A dislodged EGT sensor can...
Page 47: ...iver problem 30 LowRpmFB Rpm measurement subsystem error 31 Clutch Clutch of Starter motor does not disengage 32 EngMatch Not applicable for PRO engines 33 CAN Error Engine has been started up via CAN...
Page 48: ...attery Check ECU s battery connection Replace defective glow plug Check cable Check for proper connection from ECU to the engine ECU doesn t follow full commands from the throttle stick Programming al...
Page 49: ...tery was disconnected or was intermittent or if the receiver power goes lower than 3 volts In this case the data in the system would be for the previous run Sample of displayed values Tim Time 4 0 R R...
Page 50: ...if the AUX Switch 3 Pos switch is brought into the lower position OFF Position and the engine is running To be able to use this function it is necessary that the AUX channel is activated this is the p...
Page 51: ...GSU Menu Selections RUN menu MIN MAX menu RC Check menu INFO menu STATISTICS menu LIMITS menu TEST menu Selecting a Menu The corresponding buttons hot keys can directly select the Run Info MIN MAX or...
Page 52: ...is readout is usual for function check of the speed sensor Note This readout is only supported by connected airspeed sensor Set Speed Target state air speed km h This readout is for checking at the sp...
Page 53: ...al purposes only and will vary in accordance with R C input Value Explanation Throttle StickPulse Position of the throttle stick by percentage 0 100 Position units of the throttle stick AuxInp AuxPuls...
Page 54: ...played Starting the engine is not possible until the battery is recharged If the engine is running it will be immediately shut off to avoid a malfunction of the ECU Current voltage of the battery Disp...
Page 55: ...show the results of the last flight even if the ECU is switched off in the meantime These results kept stored up to the next run of engine The Statistic Menu Value Explanation Totl Run Time Total engi...
Page 56: ...o get back to the common idle speed can take 2 5 seconds according the used engine type Ignition Mode Version of ignition type Kerosene N JetCat kerosene start This parameter is for informational purp...
Page 57: ...e maximum speed of the plane This safety function can t be disabled AUX SW0 Action Only if the parameter AUX channel func see above has been set to ON TrbCtrl OFF this option is visible In this case t...
Page 58: ...r the 3 step switch The ECU can directly control a smoke valve or a Smoke pump for injection of smoke fluid into the exhaust blast to generate smoke You can use the shut off valve Part 61106 00 as smo...
Page 59: ...peed Signal Engine control via analogue Signal on AirSpeed input IdleThrResponse Adjustment of the throttle response acceleration by idle up to average speed Fast default setting Normal average accele...
Page 60: ...ial interface Tx2 Rx2 null modem cross over connection In this configuration every engine then knows the operation state rpm thrust etc of its partner engine and vice versa Typically this is used to s...
Page 61: ...ottle stick to maximum THROTTLE MAX Throttle trim and throttle stick to maximum Turbine starts if the AUX switch is set to center By Single Channel Mode devoid of AUX switch the engine starts by move...
Page 62: ...the operation mode is not set to RC model See also page 14 OFF run cooling cooling CAN Ctrl Address CAN control offset address See CAN bus documentation CAN Report Adr CAN report offset address See CA...
Page 63: ...e the voltage the pump runs at press either the or key while the Change Value key is pressed Depending on engine type the fuel pump can also be run reverse Negative values for the pump voltage then re...
Page 64: ...GSU then switch on ECU receiver Instead of Select Menu key of GSU it s possible to press the little key on the LED board The LED s indicate the following blink sequence LED Blink Sequence Standby yel...
Page 65: ...nning red OK green The display of GSU indicate simultaneously Release Key to Learn RC While this sequence keep SelectMenu button pressed don t release it After a while approx 15 seconds the LED s indi...
Page 66: ...Cat USB adapter USB to serial is required First you need to install the JetCat ECU V12 Updater program for Windows PC To install the software type the following in the address line of your Internet br...
Page 67: ...7 V12 01V Make sure that the PC has live connection to the Internet On ECU Firmware s higher or equal 12 01S also make sure the Baudrate of the serial Interface is still set to the default 9600kbit s...
Page 68: ...Wettelbrunner Stra e 6 sales jetcat de 68 79282 Ballrechten Dottingen www jetcat de GERMANY Instruction manual JetCat PRO engines 1 7 V12 01V ECU will reboot and after some seconds will be ready to ru...
Page 69: ...nnection by JetCat c The Model Engine is operated for commercial or institutional use d The Model Engine serial number has been deliberately removed defaced or altered 7 If a problem develops during t...
Page 70: ...sales jetcat de 70 79282 Ballrechten Dottingen www jetcat de GERMANY Instruction manual JetCat PRO engines 1 7 V12 01V Ingenieurb ro CAT M Zipperer GmbH Wettelbrunner Stra e 6 D 79282 Ballrechten Dott...
