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6.2.3 Fixed Wing Stalls
With fixed wing models, it's critical to maintain enough airspeed to avoid a stall. If a stall should occur,
however, correct stall recovery techniques must be used to avoid a crash. These are documented on the
web and elsewhere, and may vary from airframe to airframe.
Maintain sufficient airspeed to avoid stalling, and if a stall occurs, make sure you are familiar with
correct stall recovery techniques for your airframe!
6.3 In-air Leveling
If you find that your model is not flying or hovering level
Mounting" procedure
as described earlier, you can reset level flight while in the air. The procedure is as
follows:
6.3.1 Multirotor in-air leveling
Slight adjustments to multirotor level offset can be corrected as follows: while hovering in a non-GPS 2D
flight mode (2D or 2D with Altitude Hold, but NOT Center Stick mode), and when there is no wind, adjust
your aileron and elevator radio trims so that the multirotor is hovering in a stationary position.
Then, land the multirotor, disarm, and toggle the mode switch 5 times. At this point your level trims have been
saved. DO NOT undo the changes to your radio trims after doing these steps.
In-air leveling does not work with Center Stick flight mode.
6.3.2 Fixed Wing in-air leveling
If your model is not flying straight and level in 2D Mode WITHOUT Hold, first level out the model with your
control stick, then (while keeping the model level with the stick) toggle the mode switch 5 times. This
records the level flight orientation for your model.
The Vector remembers your control stick position the moment you first start to move the mode switch.
So, you don't need to worry about keeping the model perfectly level while you toggle the switch 5 times. It
only needs to be level at the start of the toggle sequence.
6.3.3 Optimal Fixed Wing leveling
If you want to tune your model for more efficient flight, it is recommended that you follow these steps:
First fly your model with stabilization off (or with overall gain turned off with the gain knob) and
adjust your radio trims for level flight.
Land, and rerun the Receiver Analysis Wizard so that the Vector can learn about the new radio trim
settings.
Perform the in-air leveling procedure in section 6.3.2 above, if needed.
6.4 Return to Home Testing and Operation
6.4.1 RTH Limitations
Please be aware of the following RTH limitations:
after you have performed the "Record Flat Level
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