Jets Munt Merlin M122NG, Инструкция по эксплуатации

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9. Continual failed kerosene starting or excessive priming of the fuel system can cause
excess fuel to build up in the engine chamber which can cause flaming on eventual
ignition. If fuel excess is suspected the only way to drain the engine is to tip the engine
forward and allow the fuel to exit through the fod screen and mop up with a rag. It is
no use tipping the engine with Merlin Instruction manual V1.4 Pag: 5 the exhaust
downwards as excess fuel will not be released due to the ngv being mounted forward
of the engine rear.
VT98NG M122NG
Dimensions:
Diameter: 90mm (3.5”) Diameter: 90mm (3.5”)
Weight:
968g (engine).
1.128g (total) 978g (engine).
1138gr (total)
Nominal
thrust @ 15C
and
sea
level:
98N 12,2kg
Max.RPM:
151.000 152.000
Idle RPM:
41.000 40.000
Idle thrust:
4N 4N
EGT @ max
rpm
650-700ºC 650-700ºC
Fuel
consumption
272g/min 340g/min
Minimum
exhaust pipe
diameter:
70mm 75mm
Battery: Reccomended 2s Lipo/>2200mAh
25C Reccomended 2s Lipo/>2200mAh 25C
Glow plug
voltage typ.
7.0V 7.0V
Pump RPM
at Ignition
typ:
100 rpm 100 rpm
Minimum
ecu
soft
version:
7.47 7.47
Restart:
Yes Yes
Fuel/ oil: Kerosene/ 4% Oil See page 17 for oil types and percentages
Engine Description
The engine is a turbojet of a single shaft design specifically designed to power RC aircraft. The
engine starts automatically thanks to an installed electric starter situated in the front. The
starting sequence is controlled by an electronic unit that initiates the starting sequence and
controls the parameters of the engine within the design limits.
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