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3. Intended use
This product is an electrically powered motor model aircraft which is wirelessly controlled via the remote control includ-
ed in the delivery. The model is designed for outdoor use and should be used under weak winds or in calm weather
conditions only. The model is pre-assembled and is delivered with built-in remote control and drive components.
The product must not get damp or wet.
This product is not suitable for children under 16 years of age.
The model may only be operated by children or adolescents under the supervision of an adult who has the requisite
expertise. Only adults may charge and monitor the flight battery.
Important!
The model is not intended for the attachment of additional loads such as video cameras. Additional weight
and increased air resistance could impair the model's flight characteristics and render it uncontrollable in
the air.
Always follow the safety information in these operating instructions. They contain important information on
how to use the product safely. Read the entire operating instructions carefully before getting started and
operating the motor model aircraft.
You are solely responsible for the safe operation of this model!
4. Product description
The “Fortress” electric model aircraft is a widely prefabricated RtF (Ready to Fly) model. The fuselage, the wings and
tail units made of moulded foam are pre-assembled. All components required for drive and control are already built in
the model and ready for use. An easy-to-use 2.4 GHz remote control is used to control the model.
The model has four three-blade propellers. The two inner propellers are each driven by an electric motor. The outer
propellers are free running and only turn due to the wind turbine effect. When viewed from the front, the two right
propellers turn clockwise and the two left propellers turn counter-clockwise.
The flight altitude and flight direction of the model can be controlled specifically by changing the motor speed. In ad
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dition, the model has a built-in stabilisation system (Gyro) that detects an uncontrolled change in flight direction to the
right or left and adjusts it automatically.
The model has an easy-to-attach/detach undercarriage for take-off and landing on a smooth and level surface.
The included USB charging cable is used to charge the LiPo rechargeable battery to be used in the model. The
transmitter is powered by 3 AA/Mignon batteries.
Use only batteries to operate the remote control and do not use rechargeable batteries.
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