Tightening Propellers
DO NOT OVER-TIGHTEN THE PROP NUTS!- Doing so will cause the motor
shafts to fatigue and break. There is no warranty for broken motor shafts due to
over-tightening.
WARNING- If you install your propellers backwards, the quad will ip out of
control very quickly during takeoff- make sure that you have triple checked that
your props are installed correctly and that the quad is far from people or
property before arming.
We recommend that you arm and disarm quickly to test that all systems are
working before applying throttle immediately. This will help to alert you if there
is a problem before the QQ190™ is airborne.
The QQ190™ comes with 8mm Counter Clockwise (CW) locknuts which should be used
to secure the props to the motors. The included T-motor 2205 2500KV high-
performance motors are optimized for lightweight operation. These lightweight
motors are great for performance, but in doing so, the motor shafts have been
hollowed which makes them more vulnerable to fatigue from over-tightening.
Use caution when installing the prop nuts. You don’t need to apply very much force.
It is recommended that you install the prop nuts so that they are snug against the top
of the prop, but that the prop can slip if force is applied. This will ensure 3 things:
a. The prop nut will come off easily when it’s time to replace a prop.
b. The motor shafts are less likely to get damaged in the event of a crash.
c. The motor shafts will not be overtightened.
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