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Engine unit inc. fod screen
Fuel pump
Hub Lite + colour display + 300mm signal cable, OR / Compact Hub
Engine cable 450mm
Battery cable
Servo type cable 300mm x 1
Fuel filter
4mm tubing, 1mtr (also 0,6mtr of 6mm fuel tube, X120 -X180 only)
Instruction card USB
ECU Battery
The engines have been designed to use a Lipo battery for power and all factory tests on all en-
gines are performed using this type of battery.
3S LiFe batteries are allowed in the case that Lipo can't be used, but if possible use Lipo. Using a
higher battery voltage than 12V will damage the ECU.
Use at least 25C batteries, there is no upper limit. Do not use other battery types like LiIon, these
batteries cannot deliver the peak amperage (20-30A) necessary for starting.
Battery consumption
As example in mAh battery use, on average the X45 engine uses:
Start-up: 100mAh for X45
About 20mAh -30mAh for each minute running (depends on throttle position).
About 40mAh for cooling after a run.
A typical eight minute flight consisting of a start, normal flight and shutdown will consume:
100+(8x20)+40 = 300mAh
For the X85/X90 these values should be approximately x1.2, for the X120 approximately x1.4 and
for the X180, x 1.2.
Be sure to always disconnect the battery for charging. Some chargers use a high voltage pulse
system which can destroy the ECU.
Auto battery disconnect
The receiver may be turned off as soon as the aircraft is retrieved from flight, the Hub unit will
ensure the cooldown continues until the end. The Hub will then disconnect the battery after the
end of the cooldown.
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