Foreword
The miniature electric helicopter "micro NH90
controlled by a 4-channel 2.4GHz radio and designed for indoor flying. The model has two co-
axial counter-rotating main rotors, so it does not need a tail rotor. Due to ist superior stability in
flight it can be mastered after a relatively short learning time.
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The "micro NH90
indoor" comes factory-assembled and test flown. For the purpose of saving
packing space, the flybar with the stabilizer weight was removed of the upper rotor in the factory
and put separately into the box when delivered, so you have to mount it in place before flying.
The model is powered by the included litium-ion-polymer-battery (LiPo-battery), which must be
charged using exclusively the included automatic LiPo charger or any other charger expres-
sively designed for this type of battery.
The transmitter is powered by 4 dry cells AA type. Rechargeable batteries can be used also, and
a charging socket is already installed.
Although all the work has been done at the factory before delivery, the ultimate success de-
pends upon yourself. Since helicopters are more difficult to fly than fixed-wing airplanes, and the
co-axial counter-rotating system has its special characteristics, you have to read and understand
the entire instruction manual before you begin to work on it and to fly it.
Specification
Length excl. rotor approx.
Height approx.
Width excl. rotor approx.
Main rotor Ø
All-up weight min. approx.
RC
Power
Warning notes
• A helicopter model is by no means a harmless plaything. If handled incompetently or
carelessly it can cause injury to persons and damage to property.
• When the model helicopter's motor is running, the two rotors are spinning at high
speed and contain an enormous quantity of rotational energy. Anything and every-
thing that gets into the rotational plane of the rotors is either damaged or destroyed -
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indoor" is a real, free flying model helicopter,
360 mm
175 mm
80 mm
340 mm
235 g
2.4 GHz / 4-ch
LiPo battery pack, 7.4 v./800 mAh
2
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micro NH90
indoor