GRAUPNER Alpha 150Q, Manual

Page: 28 / 48

28 / 48
16571.GPS_Alpha150Q_V2.0sh.en
Installing the propellers
!
CAUTION
Risk of injury by rotating propellers in case the motors start.
Always unplug the connector to the battery before working on
the propellers.
Install the propellers as shown in the picture on the left. Be sure to
attach the right propeller to each motor. The propellers must be able
to lift in the specified direction of rotation. If only one propeller is
put on wrong, the copter is not able to fly and is dangerous.
Another orientation option is: The outer propeller blades of the two
front propellers must be directed obliquely backwards at the top and
the two rear propellers diagonally forward at the top.
First flight
Before the first flight, the copter must be prepared and calibrated as
described in the relevant sections.
For the first flight, select a large, free flight surface with not too hard
ground. At least initially always start, fly and land in attitude mode
because the copter is easier to control. Familiarize yourself with the
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