v.1.1
Pg. 25
10.
If the nose tips down the CG is forward of your balance point
11.
If it tips up the CG is behind your balance point
12.
Adjust the position of your fingers until your X PlusOne balances and make note of the position
of your fingers, this is the CG
13.
Measure the distance from the CG to the back edge of the battery compartment as shown
below
14.
The acceptable range is ⅜” to 1 ¼” from the battery compartment to the CG
TIP: You may want to mark the forward and back CG limits to make
checking the CG easier.
ii
Periodic Inspection
Performed every 10 flight hours
More detailed than Preflight Inspection
1.
Spin each motor by hand and check that the motors spin smoothly and quietly 2.
Inspect airframe for damage.
3.
If there is evidence of damage under a cover remove that cover and inspect the components
underneath
4.
Remove propellers and perform the control check found on page 26
5.
Check the rigidity between the top pylon and the wing
6.
Hold the wing in one hand and keep it stationary
7.
Hold the top pylon with your other hand
8.
Apply light pressure to the pylon and verify that it does not flex more than a few degrees in any
direction
9.
Repeat steps a-c on the bottom pylon
10.
Remove both pylons
11.
Inspect wires that go between the pylons and the wing
12.
Check the wire insulation for any exposed wire
forward CG limit
aft CG limit
measure from here
