hello,
my oxy standard fly great with my spirit but I am going to change the rotor head for a 3 blades head, and the tail for a 3 blades. With a 3 blades heli some people told me to decrease the cyclic gain. I think that perhaps for the begining it will be ok to try 45% instead of 55%...
What do you think of that ? have you any parameters suggestions ?

Hello,

it will work fine. The cyclic might be little bit more agressive, so you will need to decrease Cyclic Feed Forward. And rudder will be more efficient, so decreasing gyro gain will be needed too.

Generally it should fly with the same gains, but it is better to start with little bit lower gain.

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Spirit System developer

OK, so I decrease tail gain in the radio and cyclic gain in the spirit. You think 45% is ok or perhaps it's safe to begin at 50%

You should be able to fly always even with the lowest cyclic gain without any problem.
Even with the same cyclic gain there shouldn't be any uncontrollable oscillations in any case.

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Spirit System developer

ok thank's a lot..nice, nice, nice