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 January, 2009 

 

38 

10 Maintenance 

Due  to  being  an  advanced  design  over  other  popular  motors  you  will  find  that  your 

JET 

CENTRAL 

turbine  needs  less  maintenance  and  your  turbine  will  only  need  to  be  properly 

cared for to get hours of enjoyment. We have new state of the art bearing systems, precision 
made combustion chambers and high efficiency turbine wheels that take heat and load of the 
main  components  thus  greatly  extending  service  requirements.  If  you  find  yourself  needing 
service just call! We have a special system in place to give you quick turn around and for all 
major  repairs  your 

JET  CENTRAL 

Turbine  goes  back  to  its  ISO  9000  factory,  were  it  was 

built  to  be  repaired;  this  ensures  a  quick  turn  around  with  quality  workmanship  and  keeps 
major repairs to the least cost. 

 

 

Summary of Contents for Rabbit

Page 1: ...OPERATION AND MAINTENANCE MANUAL...

Page 2: ...ratures higher quality less maintenance and the best price JET CENTRAL an ISO 9000 Company is a full production engine manufacturer producing high quality parts to be assembled into the newest line of...

Page 3: ...L PUMP LINE OUT 12 3 6 RPM SENSOR 12 4 PROGRAMMING THE I C S 17 4 1 FIRST SCREEN 17 4 2 MAIN SCREEN 17 4 3 SECONDARY SCREEN 18 4 4 MENU SCREEN 18 4 5 START SUBMENU FOR GAS START 19 4 6 START SUBMENU F...

Page 4: ...ted correctly it will provide years of reliable trouble free service with low maintenance It cannot however be stressed highly enough that the operating instructions be fully understood before attempt...

Page 5: ...parts of the turbine to avoid burns The outer case at the turbine stage and nozzle reaches 400 500 C 750 950 F while the exhaust gas may exceed 600 C 1290 F Assure that the fuel is mixed with the corr...

Page 6: ...fuel supply to the engine and keep the starter running Do not be afraid to use your fire extinguisher a CO2 extinguisher will not harm the engine in any way A hand held blower is another good safety i...

Page 7: ...oid your warranty and your country s controlling body s approval for use 1 Turbine Engine 1 I C S Unit 1 Clear Fuel Line 4mm 1 Clear Kerosen Line 3 mm 1 Battery Li Manganese 1 Hand Data Terminal HDT 1...

Page 8: ...5 Kg 48 Lbs 104 000 RPM Full Throttle Fuel Consumption 0 24 Lt min 8 1 Oz min 0 31 Lt min 10 4 Oz min 0 47 Lt min 16 Oz min 0 52 Lt min 17 5 Oz min 0 70 Lt min 23 Oz min R P M range 55 000 185 000 40...

Page 9: ...d the data in real time to a PC The measurements made by the I C S are Temperature of the exhaust gas Pump battery voltage Width of the throttle pulses from the radio transmitter Engine rotor RPM Engi...

Page 10: ...emaining ramps The gas valve is automatically closed when a certain RPM is reached during the fuel ramp 2 6 Kerostart System The main difference between gas and kerosene is that in the case of a faile...

Page 11: ...the black cables are connected internally together and to the negative of the pump starter battery Connect the cables in their places Note that some of the JR type connectors used can be connected in...

Page 12: ...eal needs of the ancillary equipment like starter motor solenoids valves and pump motor Use only the supplied battery or a same voltage substitute This battery does not need an on off switch in the ai...

Page 13: ...4mm output line to the fuel solenoid valve Place the manual on off valve between the solenoid valve and the Turbine CLEAR fuel input line We recommend placing the MANUAL valve where it can be closed...

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Page 18: ...easy to tune the engine without having to start it again to test the new settings Both left buttons allow you to move through the different screens in an ascending mode Menu Up or descending mode Men...

Page 19: ...ware version 4 4 Menu Screen By pushing again the Menu Up button you get to the menu screen Here you have four menus to choose from Start Info Radio Run To get into each menu simply push the correspon...

Page 20: ...ger The next screen is Start gas adjust Here you can change a little amount of the gas that goes to the turbine Again the goal here is to have the lowest possible gas but enough to have a reliable sta...

Page 21: ...s most critical A too low value will probably get the fuel ignited but it will not raise the temperature enough to trigger the preheat mode so if you hear or see flames inside the turbine but you stil...

Page 22: ...ine has The second option is Battery used Counts the mAh used from the battery User can set to zero at first flight of the day and check after each fligth to know approximately the remaining power of...

Page 23: ...ON OFF button and you can test them individually the Starter Glow Plug Fuel Pump Gas Valve and Fuel Valve Starter Glow Plug Test Prime Fuel Pump Gas Valve Fuel Valve Test Prime Kerosen Burner The pri...

Page 24: ...Down Check that your failsafe is working properly 4 8 1 Transmitter Preparation and Verification First unplug the fuel pump starter battery to prevent accidental starting of the engine The transmitter...

Page 25: ...n Data Up Also in this case pushing the button Menu up will cause the change of screen without varying the previous adjustment The last screen of adjustment is the position of the trim that will corre...

Page 26: ...ficant thrust with the low half stick travel being not used Although that with current digital TX the pilot can modify the throttle curve to suit its needs from version 5 48 three throttle curves have...

Page 27: ...enter the normal run parameter With menu up you get in the Fuel power speed Here is where you can limit the RPM in order to get the thrust that you want R P M Thrust 0 2 4 6 8 10 12 14 16 18 20 40 48...

Page 28: ...hat the I C S registered a lower RPM than the minimum factory programmed Hi Temp Means that the I C S registered a temperature higher than the maximum factory programmed Low Temp Means that the I C S...

Page 29: ...and if during this time the receiver exits from failsafe the engine will go back to the throttle set power If not it will be cut off This system allows flying through small glitches while retaining th...

Page 30: ...eading Ensure your glow plug element is well teased out to ensure prompt gas ignition Gas supplied must be liquid gas dip tube liquid feed types are suitable if your system doesn t have one just hold...

Page 31: ...rature it means that the ignition have occurred the starter is switched on immediately at reduced power increasing its power accordingly to the real rotor RPM At the same time the engine begins to acc...

Page 32: ...ill pool inside the engine and stay there forever The engine can hold a big quantity of kerosene inside This kerosene will be ignited on next successful start up and will be pushed to the exhaust as s...

Page 33: ...onnected up USE ONLY 7 4V Batteries Check there is a temperature reading on the data terminal Ensure the running area is clear of onlookers especially the prohibited zone of a 10 meter radius 180 arc...

Page 34: ...ached the ECU will automatically disconnect power to the starter When the rotor speed reaches idle the screen will change to running and the engine speed is stabilized The engine is running Control of...

Page 35: ...ay engine OFF Ready Indicates that the engine is ready for starting and that the transmitter signal corresponds to IDLE Green LED lit Stick Low This indicates that the throttle stick is in a position...

Page 36: ...s 55 m o Engine running 150 feet 50 paces 50 m DON T FORGET AFTER THE ABOVE RANGE CHECK TO RESET YOUR FAILSAFE TO ENGINE OFF THROTTLE DOWN TRIM DOWN The following procedure describes how to properly s...

Page 37: ...the tank Header Tank We recommend a header tank with some type of bubble eliminator or an Orbit clunk This is a must do if you want to take every possible measure to insure against flame outs Fuel Li...

Page 38: ...t for any reason just cycle the throttle again the one not running will re start In multiengine installations always have each motor with its own complete fuel system As ECU has auto restart if you n...

Page 39: ...cision made combustion chambers and high efficiency turbine wheels that take heat and load of the main components thus greatly extending service requirements If you find yourself needing service just...

Page 40: ...M sensor connections The RPM are cycling but gas doesn t ignite Gas empty or gas solenoid valve disconnected or bad Glow plug brightness to low Too much or not much gas Check the Gas supply Check adju...

Page 41: ...eived the shut down command from the receiver RX PWR The I C S lost power from the receiver FAILSAFE The I C S received the failsafe command from the receiver FLAME OUT The I C S lost the temperature...

Page 42: ...he fill bottle and let the engine finish the ramping just from the onboard gas tank Just Gas Start 5 If you experience any type of engine failure make sure to check the last power down cause and fix t...

Page 43: ...ches MAX RPM as pre set by factory check under RUN Menu This may take a minute or two 4 Once reaching Max RPM reduce throttle one click at a time pausing for 3 5 seconds at each click until you reach...

Page 44: ...apinCordinger Str 98 D 29699 Bomlitz www ukpraezitec de uwekannapin aol com Spain Asoc Cast de Aeromodelismo Turbin Only Field Assistance Ram n Lozano Yuste Av del Puerto No 252 Grao de Castell n 1210...

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