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VT80BL Instruction Manual
Specifications:
Nominal thrust:
Idle thrust:
Idle RPM:
Diameter:
Engine weight:
Installed weight:
Fuel:
Fuel comsumption:
Start mode:
VT80BL Instruction Manual
80N at 150.000 RPM
4,5N
45,000
90,5mm (3.56")
950g (2.1lb)
1,075g (2,37lb)
Kerosene + 3% - 5% oil
220g/min
Direct Kerosene
JETS MUNT S.L
Page 1
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Summary of Contents for Jets Munt VT80BL
- Page 1 JETS MUNT S.L VT80BL Instruction Manual Specifications: Nominal thrust: 80N at 150.000 RPM Idle thrust: 4,5N Idle RPM: 45,000 Diameter: 90,5mm (3.56”) Engine weight: 950g (2.1lb) Installed weight: 1,075g (2,37lb) Fuel: Kerosene + 3% - 5% oil Fuel comsumption: 220g/min...
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Page 2: Table Of Contents
Running Time Counters................Page 19 Autorestart Function................Page 20 Smart Data Terminal................Page 23 JETS MUNT S.L Torrent d’en Puig, 31.08358, Arenys de Munt, BARCELONA,Spain Tel/Fax: +34 93 7950113 www.jetsmunt.com E-mail: info@jetsmunt.com. © Copyright 2012, Jets Munt SL. All Rights Reserved VT80BL Instruction Manual Page 2... -
Page 3: Welcome
Jets Munt SL. Disclaimer The VT80BL engine is a sophisticated piece of machinery. Care should be taken at all times when using the engine. It should only be operated by those with the appropriate skills and knowledge to do so. -
Page 4: Warranty
Damage or defective operation covered under the warranty terms will be repaired and tested at no cost the original owner (other than shipping expenses). Repairs not covered under the terms of warranty will be carried out by Jets Munt SL or their appointed agents after agreement of costs. -
Page 5: Safety Notes
Max.RPM: 150,000 rpm Idle RPM: 45,000 rpm Idle thrust 4N (0.8lbf) EGT @ max rpm 550-650 ºC Fuel consumption 0.29 l/min at 80N Fuel/ oil: Kerosene + 4% Oil See page 17 for oil types and percentages VT80BL Instruction Manual Page 5... -
Page 6: Engine Description
The main issue is the fuel tank, you will need to arrange the CofG in the centre of the tank and adjust the receiver and ECU batteries to achieve the correct location. VT80BL Instruction Manual Page 6... -
Page 7: Electronic Control Unit (Ecu)
Recommended battery is a LiPo of 7,4V and at least 2000mAh /15C. Optionally is possible to use an A123 battery of 9,9V, although the engine is happier with 7,4V. 3s Lipo is not supported. VT80BL Instruction Manual Page 7... -
Page 8: Engine Installation: Fuel System
“trim-down” function. Using a digital trim cause unstable idle, and excessive delay in shutting off the engine in emergency. Check your radio manual for this before you start. DO NOT use the digital trim in any case. VT80BL Instruction Manual Page 8... - Page 9 JETS MUNT S.L Engine installation: Electrical connections. Engine installation: Fuel system VT80BL Instruction Manual Page 9...
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Page 10: Aligning Transmitter With Ecu
(7), percentage of the throttle position is shown on, 0% in the position of engine stop (trim and stick down), 100% with stick/trim full up and between 10% and 30% at idle. This now completes your radio setup and should only need doing again if the radio settings are changed. VT80BL Instruction Manual Page 10... -
Page 11: Failsafe
There are many more parameters that can be modified in the ECU, but we have specifically programmed your VT80 ecu with the optimum settings, further adjustment should not be required and can only be carried out by Jets Munt SL or your authorized dealer. Preparing the engine for running A suitable platform/table/workbench is now required to clamp the test stand onto. -
Page 12: Prevent Flood Engine
180° arc from engine centre around the rear. • Verify that the fuel tube is full of fuel and purged of all air, if not, carry out the fuel prime sequence as described here. VT80BL Instruction Manual Page 12... -
Page 13: Priming The Fuel System
To shut down the engine lower the trim and the stick. Is recommendable that before shutting down the engine please restrain the model then raise the throttle stick to approximately 25%, allowing temperatures to stabilize for around 5 seconds before carrying out the shutdown procedure. VT80BL Instruction Manual Page 13... -
Page 14: What To Do In The Case Of An Emergency
Cooling: Starter operating to cool the engine. GlowBad: Defective or disconnected glow plug. StartBad: Defective starter, insufficient RPM reached during start, RPM sensor damaged. Low RPM: Engine had been shutdown because the speed has fallen below the minimum. HighTemp: Excessive temperature VT80BL Instruction Manual Page 14... -
Page 15: Diagnoses
LowRPM: The engine has been shut down because the RPM has dropped below a minimum. Cause could be lack of fuel, air bubbles, problem with the batteries, or defective sensor. RCPwFail: Lack of power from the radio receiver. VT80BL Trouble Shooting PROBLEMS SOLUTIONS PROBLEMS SOLUTIONS 1. -
Page 16: Other Useful Information And Installation Tips
When making any fuel or gas line cuts use a sharp blade to make and cut squarely. The fuel filter provided should be installed in an accessible place for regular inspection, close to the intake port of the pump. VT80BL Instruction Manual Page 16... -
Page 17: Fuel And Oil
– in case of contact wash all affected areas with soap and warm water immediately. Feed Pipes All the pipes must be Polyurethane or nylon as provided by Jets Munt or Tygon (like the ones used by gasoline engines). Do not use Tygon on the pressure side of the fuel pump. -
Page 18: Extra Ecu Functions
Do not change the voltage, please contact to Jets Munt first. -Adjust the pump power at startup. The fuel flow during ignition phase must be finely tuned for each engine/pump combination, and this is done at factory during test. -
Page 19: Maintenance
Use this screen to keep track of your total running time and starts. A extra timers is provided, called Service Timer, to keep track of the service intervals, it will be reset when the engine is serviced in regular maintenance. VT80BL Instruction Manual Page 19... -
Page 20: Autorestart Function
JETS MUNT S.L Autorestart Function Some JetsMunt engine models (currently VT80BL and M100XBL) include AUTO restart function. This function can quickly restart an engine automatically in Flight, but it should be understood that such a system may cause damage to people and property. - Page 21 ·Once the plane is on the ground, even in normal landing or crash landing, set the transmitter in STOP position. The engine could restart and go to full power on its own; the ecu does not know when the plane is on the ground. VT80BL Instruction Manual Page 21...
- Page 22 Please Think twice before enabling the auto restart feature. Disclaimer There are no circumstances Jets Munt P/L or any of its Service Agents and employees will accept or be held responsible for any losses or damages the Auto Restart feature causes should the owner operator choose to enable this function.
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Page 23: Smart Data Terminal
RPM, Temperature and pump on shut down. File Screen Button Back , to go initial screen. Button Save Data to export the data from SmartData to uSD. Button Update to update the firmware of the SmartData. VT80BL Instruction Manual Page 23...