Drone csj rises vertically on its own

G

gabrigabri

Member
Hi everyone



I'm not an expert on drones

I just learned to drive a CSJ



it always went well



but now I have a problem


when I turn it on

almost immediately, it starts upwards

sometimes it does it quickly, sometimes slowly

sometimes immediately as soon as it is turned on, sometimes after a few seconds



what could it be?
 
holtneil

holtneil

Well-Known Member
Moderator
Hi have you crashed or has it just started to do it , check the trim on the transmitter
 
G

gabrigabri

Member
Hi
holtneil said:
Hi have you crashed or has it just started to do it , check the trim on the transmitter
Click to expand...
HI !

Thanks for the reply

yes, sometimes he fell badly


one thing I forgot is that

as soon as it is turned on it loses altitude with respect to the ground and rises up 2, 3 times,

.. and then goes off on an uphill tangent



Is there any procedure to check the trim or transmitter?


Thank you
 
Last edited:
holtneil

holtneil

Well-Known Member
Moderator
I don't know that drone if it's a brushless motor check wire connection from esc to motor , if it's a corless motor fitted to that drone look at the gear wheel on the motor shaft it may be loose as the prop spins very freely by hand and it should not do that
 
G

gabrigabri

Member
Hi!


Thanks


Could it be an engine problem?

I checked the propeller, and the gears are connected, to the engine and it turns..

(.. They are not brushless motors.. )


These strange behaviors he has, going up, going down

Could it be due to the engine?

Thank you
 
holtneil

holtneil

Well-Known Member
Moderator
Yes it will give you this problem the FCB of the quad will try a keep it level but as one motor is not right the FCB will keep changing throttle to the other 3 motors
 
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