Velká Bíteš Turbojet Engine TJ20A Operation And Maintenance Manual Download | Manualshive

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PP-42A

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Меnu - 5: TEST-DEVICES (for controlling engine devices only)

50: STARTER OFF
Starter test. The starter is spun to a defined speed and then switched off.

51: FUELPUMP
Fuel pump test. The fuel pump is spun to a defined speed and then switched off. Both fuel
valves are closed.

52: FUELVALVE
Main fuel valve test

53: STARTVALVE
Starting fuel valve test

54: DRAIN-FUEL
Draining fuel from the engine. Both fuel valves are open.

55: FUEL PUMPING
Pumping fuel into the engine. Both fuel valves are open.

56: ENGINE-RUN
Engine start by EDT without RC set

5: TEST-DEVICES

>>>

50: STARTER-OFF

RPM 0.0 ST 0.0A

51: FUELPUMP

CLOSED

52: FUELVALVE

CLOSED

53: STARTVALVE

CLOSED

54: DRAIN-FUEL

CLOSED

55: FUEL-PUMPING

CLOSED

56: ENGINE-RUN

OFF

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Summary of Contents for Turbojet Engine TJ20A

Page 1: ...PP 42A OPERATION AND MAINTENANCE MANUAL GUARANTEE CERTIFICATE TURBOJET ENGINE TJ20A První brněnská strojírna Velká Bíteš a s December 2014 ...

Page 2: ...g of harness 9 3 3 Connect of fuel supply 9 3 4 Starting instructions 10 3 5 Connection scheme 11 3 6 Recommended accessories 13 4 EDT STATUS DISPLAY ENGINE DATA TERMINAL 14 Menu A Control Unit Modes 15 Menu B Data 15 5 MAINTENANCE OF ENGINE 28 5 1 Check up of rotating parts 28 5 2 State of fuel filter pollution 28 5 3 Stocking instructions 28 6 CONTENT OF ENGINE IS PACKAGE 28 7 EXHAUST PIPE FOR T...

Page 3: ...surfaces Any violation of the corresponding restrictions may affect the health of the user Attention Fire or explosion hazard 1 1 2 Caution Operating procedures or maintenance jobs methods circumstances or instructions which non observance could cause damage or destruction of equipment 1 2 General safety provision Following the description of general safety provision which does not relate to any s...

Page 4: ...fold axial thrust in relations to its own weight during test it must be fixed sufficiently against movement c Exhaust gas temperature Never look to the output nozzle and never touch it by hands Exhaust gases exit the engine with high speed achieve at nozzle temperature up to 780 C The operator must take necessary precautions against risk of fire d Noise level Operating of this engine causes high n...

Page 5: ...Warning Turbojet engine TJ20A was designed purely for using inside aircraft model and it is not suitable for any other purpose Never use this turbojet engine for persons object or vehicles only for well designed model of aircraft every other using can cause hurt or death Any deviation from specifications of this manual using of uncertified parts materials systems design modification or setting can...

Page 6: ...eriod Any other claims are eliminated All costs regarding packing and transport will pay the seller We will not guarantee waste during the transport The guarantee is with no validity when is defect of the product caused by some accident bad operating or modification of this product Serial number of engine guarantee 2 years Date ...

Page 7: ...atch to class 10 11 according GOST 17216 71 or 7 8 according NAS 1638 Turbine axial Temperature of intake air C max 780 Bearings hybrid lubricated by fuel Supply voltage rating V 12 V DC insulated from ground Operating range of outdoor temperature C 20 C 50 C Flight speed range M 0 0 6 Altitude range m AMSL 0 6000 2 1 1 Sensor of this engine temperature of intake air t1 1x TC1047A temperature of o...

Page 8: ...ns of TJ20A engine are mentioned at clause 8 This engine must be installed in model with fuel supply with up direction swing from vertical axe of model can be 5 2 1 7 Required parameters of power supply Battery 12 V 2500 mAh or 3 Li Pol battery cell can ensure power supply of this engine The battery must be able provide 30A during start of the engine The breaker connected downstream the battery mu...

Page 9: ...ne and exhale by high gear from output nozzle to the atmosphere and cause the thrust of this engine Axial turbine provides gear of the compressor Rotor of this engine placed at 2 axial bearings lubricated by fuel Part of this engine is electronic board this board process data from speed sensor exhaust gas temperature sensor and input air temperature sensor Operation of this engine is control by co...

Page 10: ...l instructions stop idle thrust maximum send out from superior system acceptor into the engine control unit by the help of setting data terminal display It must be fullfiled the fuel supply pipe and removed air from whole fuel way before the first start By using register 55 FUELPUMPING fill the fuel supply See the filling and after fulfillment stop the FUEL PUMPING Do not pump the fuel into the en...

Page 11: ... for RC Control BROWN GND Engine Data Terminal EDT Switch PC Connector service Hose ø 6 5 ø 4 Hose ø 6 5 ø 4 Battery 12V 2500 mAh Filler neck Falling suction Tank Breathing Connector core Connector pin 20 ms 0 85 2 1 ms Emergency Fuel Tank Main Fuel Tank RC EDT ORANGE Data RED Power supply 4 8VDC for EDT BROWN GND Fuel filter neck ...

Page 12: ...PP 42A 12 ENGINE DATA TERMINÁL BATTERY FUEL TANK FUEL FILTER CONNECTOR OR SWITCH CONNECTOR PC ENGINE THROTTLE E ...

Page 13: ...gn objects into the compressor Put the suction screen on the engine starter in such way so that the grooves on the screen fit onto the protrusions on the starter Insert the cotter pin into the opening in the starter and bend its ends apart along the starter circumference 3 6 2 Engine clamp Vertical engine clamp Horizontal engine clamp ...

Page 14: ...d EGT indication the display will show only physical engine speed and exhaust gas temperature All other parameters will be displayed in Menu A or Menu B Push button Functions Menu entering selection confirmation menu leaving by pressing the button for more than 2 s Movement in menu value increasing Movement in menu value decreasing engine start upon actuating from EDT EGT a RPM Menu A Menu B ...

Page 15: ...duced speed Procedure of engine actuating by RC input 1 After switching on power supply and setting RC signals in the R C SETTINGS menu STOP signal must be set at the RC transmitter The display will indicate STOP in Menu A 2 Set IDLE signal at the RC transmitter The display will indicate IDLE in Menu A 3 Set 100 signal at the RC transmitter The display will indicate ТH REL in Menu A If TH RUN is i...

Page 16: ...PP 42A 16 Menu SETUP EGT999 C TH 100 RPM120 0 Ub12 6V 1 INFO 2 STATISTICS 3 LIMITS 4 R C SETTINGS 5 TEST DEVICES 6 RESET ENGINE ...

Page 17: ...ne GO 14 ERROR CODES Defects causing engine switch off or lack of functionality 15 ERROR STD Detailed code of failure causing shutdown or non functionality of engine 16 ERROR EXT Detailed code of failure causing shutdown or non functionality of engine 1 INFO 10 R C FAILS 0 11 JET ENGINE TJ20A S N 0000 12 FIRMWARE Version v06 16 13 LIFE TIME 0 hour 14 ERROR CODES No Error 15 ERROR STD 0x00000000 16...

Page 18: ... engine start BAD EGT Failure of exhaust gas temperature sensor during device test or engine start MAX EGT High exhaust gas temperature during engine start and run Should temperature during engine start exceed the value 39 START EGTOFF for a period longer than 3 seconds the engine switches off Should temperature during engine run exceed the value 3A RUN EGT OFF for a period longer than 3 seconds t...

Page 19: ...Menu 2 STATISTICS only for reading 2 STATISTICS 20 RUNS TOTAL 0 21 START ABORT 0 22 RUNS ABORT 0 23 HOUR METER 000 00 0 24 EGT AVG PEAK 0 C 0 C 25 FUELPMP MIN 0 mV 0 mV 26 FUELPMP MAX 0 mV 0 mV 27 RPM MIN MAX 0 0 ...

Page 20: ...l pump operation Units HH MM SS 24 EGT AVG PEAK Average and maximum exhaust gas temperature during the last engine run 25 FUELPMP MIN Effective voltage of the fuel pump in idle speed IDLE of the engine during the last and last but one engine run 26 FUELPMP MAX Effective voltage of the fuel pump at 95 of ENGINE N100 speed during the last and last but one engine run 27 RPM MIN MAX Minimum and maximu...

Page 21: ...2A 21 Menu 3 LIMITS for reading and setting 3 LIMITS 30 ENGINE IDLE 35000rpm 31 ENGINE N100 120000rpm 32 FUELPMP MAX 9 6V 33 UP 4 0s 34 DOWN 4 0s 37 RUN EGT OFF 900 C 35 EGT MAX 880 C 36 START EGT OFF 950 C ...

Page 22: ... acceleration ramp from IDLE to ENGINE N100 speed Setting range from 4 to 10 s in 0 1 s steps 4 0 s by default 34 DOWN The deceleration ramp from ENGINE N100 to IDLE etting range from 4 to 10 s in 0 1 s steps 4 0 s by default 35 EGT MAX Maximal regulated temperature of exhaust gases Setting range from 600 to 880 C in steps of 5 C We recommend to not change the setting By default 880 C 36 START EGT...

Page 23: ...enu 4 R C SETTINGS for reading and setting 4 R C SETTINGS 40 RC MONITOR 0us 41 RC TRIM OFF 900us 42 RC IDLE 1000us 43 RC 100 2000us 44 FAILS TIME 5 0s 46 THROTTLE TYPE THRUST 47 CONTROL TYPE RC 45 FAILS THROTTL 0 ...

Page 24: ...ush button the and stops flashing and it is entered in the engine memory 2 00 ms by default 44 FAILS TIME Time that starts running upon RC signal loss and after which lapse the engine is switched off Upon RC signal loss the speed is set to 45 FAILS THROTTL Setting range from 0 to 60 s in 1 s steps 5 s by default 45 FAILS THROTTL Engine speed that will be set upon RC signal loss Setting range from ...

Page 25: ...uel valves are closed 52 FUELVALVE Main fuel valve test 53 STARTVALVE Starting fuel valve test 54 DRAIN FUEL Draining fuel from the engine Both fuel valves are open 55 FUEL PUMPING Pumping fuel into the engine Both fuel valves are open 56 ENGINE RUN Engine start by EDT without RC set 5 TEST DEVICES 50 STARTER OFF RPM 0 0 ST 0 0A 51 FUELPUMP CLOSED 52 FUELVALVE CLOSED 53 STARTVALVE CLOSED 54 DRAIN ...

Page 26: ...ton 6 Increase or decrease the engine speed using the or push button 7 Stop the engine by pressing the push button Меnu 6 RESET ENGINE It will reset the engine back to the factory settings Procedure of engine reset 1 Set 6 RESET ENGINE in EDT Menu 2 Press the push button and the NO inscription will start flashing in the display 3 Set YES using the or push button and confirm it by the push button 4...

Page 27: ...PM 0 0 ST 0 0A 11 JET ENGINE TJ20A S N 0000 12 FIRMWARE Version v05 05 13 LIFE TIME 0 hour 14 ERROR CODES No Error 21 START ABORT 0 22 RUNS ABORT 0 23 HOUR METER 000 00 0 24 EGT AVG PEAK 0 C 0 C 25 FUELPMP MIN 0mV 0mV 26 FUELPMP MAX 0mV 0mV 27 RPM MIN MAX 0 0 41 RC TRIM OFF 900us 42 RC IDLE 1000us 43 RC 100 2000us 44 FAILS TIME 5 0 s 45 FAILS THROTTL 0 46 THROTTLE TYPE THRUST 47 CONTROL TYPE RC 51...

Page 28: ...ing the fuel filter it is necessary to deaerate the whole fuel path from the tank to the engine By using the 55 FUELPUMPING register prime the fuel feed to remove air bubbles Watch the fuel until it reaches the engine and turn off priming Do not pump the fuel into the engine 5 3 Stocking instructions The kind of conservation packing transport and stocking of this engine is stated by regulation of ...

Page 29: ...zzle The exhaust pipe must be designed in accordance with the following figure Recommended material for the exhaust pipe refractory or stainless steel thickness 0 2 mm The L2 length is specified when ordering If L2 is higher than 500 mm we recommend a double sheathed design A suitable inlet cone must be installed at the exhaust pipe inlet The outer part of the engine nozzle must extend 40 mm into ...

Page 30: ...PP 42A 30 8 TURBOJET ENGINE TJ20A DIMENSIONAL DRAWING ...

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