BL Heli 32 Low Kv motor settings

[Jai.GAY]

@Oli1

Make sure MOT_PWM_TYPE,6 is set.

yes, confirmed set to 6. 4th time using this digital ESC.

@Oli1

Variable frequency was only supported starting with 32.8

oh, okay, I see. thanks.

[Oli1 (Oli)]

@Jai.GAY

yes, confirmed set to 6. 4th time using this digital ESC.

Then I don’t understand why there’s any effect at all when using different Minimum/Maximum Throttle values. Is it reliably reproducible?

[xfacta (Shawn)]

Do you have something like this in Messages:
RCOut: PWM:1-8 DS600:9-14

[Jai.GAY]

@Oli1

Is it reliably reproducible?

No, today I tried to set it back to 1100-1940 again, Motor test at 1% throttle, same as yesterday’s 1040-1960 behavior. previously I have not done a motor test at 95% throttle. after setting 1040-1960, then I did the 95% motor test throttle.

@xfacta

RCOut: PWM:1-8 DS600:9-14

Yes.

[Oli1 (Oli)]

@Jai.GAY

No, today I tried to set it back to 1100-1940 again, Motor test at 1% throttle, same as yesterday’s 1040-1960 behavior.

I think I wouldn’t worry about it then, as long as you don’t notice other abnormal behavior. You could try setting very high values just to test and see if there’s any noticable difference (without props attached of course). But it really shouldn’t have any effect as long as DShot is used.

[Jai.GAY]

@CyberPilot360v2

Tried 10-95% Again almost guaranteed desync…

Is it the referring to the same thing?

ArduPilot provides a limit cycle detection feature to help reduce or eliminate oscillations in the control loops due to excessive tuning gains.

[Jai.GAY]

@Jai.GAY

this RCOU.C9-C12 does not look comfortable to me.
Sometimes M4, sometimes M1 will spin much lower than the rest of the three. there will be one motor spin slower from the rest.

I have added these settings as well.

ATC_RAT_PIT_SMAX,25  
ATC_RAT_RLL_SMAX,25
ATC_RAT_YAW_SMAX,25
PSC_ACCZ_SMAX,25

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