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Because 50% of 0 is 0.
You need to have some throttle applied so the flight controller can use throttle to correct. Quote:
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SL P-gain = Configured SL P-gain - (Stick input * Reduction factor) Configured SL P-gain is taken from your Self-level settings. Stick input range is [0, 1000] at this point. Reduction factor is 0.05 for LOW, 0.1 for MEDIUM and 0.2 for HIGH. The new SL P-gain is clamped to zero so it will never become negative. Code:
LOW : 60 - (500 * 0.05) = 35 MEDIUM: 60 - (500 * 0.1) = 10 HIGH : 60 - (500 * 0.2) = 0 ; -40 is clamped to zero. SL is not acting. |
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Last edited by RC911; Sep 17, 2013 at 06:18 AM.
Reason: Corrected P-gain result for the LOW setting.
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Using helicopter mode/setting in your radio is not rocket science, as I have previously mentioned. |
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Some really good reasons are to have a curve that doesn't cut your motors completely off at low stick or to have a throttle hold switch. |
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hi folks,
I am a kind of newbie and I have a problem with my quad...so disappointing with my quad since it is not hovering at all. not even 1 cm my quad parts: hj 450 frame xxd 930 K motor quattro ESC (4in1) 3s1p 2200 mah 11.1 v battery ace kk2 FC ( v 1.2) fly sky fs t6 tx and rx. props 10x 45 blade orange and black my set up for kk2.0 is: ( I set it up according to manual from HK) Roll/Pitch P-gain: 150 Roll/Pitch P-limit: 100 Roll/Pitch I-gain: 50 Roll/Pitch I-limit: 20 Yaw P-gain: 150 Yaw P-limit: 20 Yaw I-gain: 50 Yaw I-limit: 10 I checked the motors' direction. it is ok. the weight of the quad is 900 gr. I really appreciate your help. If it is not the right place to ask could you please direct me to the right place. thank you |
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You lost me there. My comment was relative to having 10% minimum throttle. I don't know where the 50% comes from but 50% of 10% is 5%. That is not enough power to do anything but fall out of the air.
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Roll/Pitch P gain 70 Roll/pitch P limit 50 Roll/Pitch I gain 40 Roll/Pitch I limit 20 Yaw P gain 75 Yaw P limit 20 Yaw I gain 30 Yaw I limit 10 Hope this help. |
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thank you Eric. change the propellers. now it is flipping to the right during the take off
you think still the propellers are not right? |
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Last edited by letsstart78; Jul 24, 2013 at 03:24 PM.
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Just like Aero there are default settings using a Heli program. There are no DR's or Expo's pre-configured, no throttle curves etc... and the Gear channel is most likely to be just that and on channel five. Have you even looked at a default "normal" helicopter setup? With a throttle curve that doesn't cut your motors off, you wouldn't be able to arm a KK2. The throttle hold feature is not normally assigned. It usually needs to be enabled. This feature is also applicable to many radios in Aero setups, (it actually provides some safety if the throttle stick was bumped). Helicopter setups are not Voodoo as you would have us believe! |
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I am trying to say that some people do use these heli functions with good reason. Quote:
What you are getting at here is not clear. Are you saying that all heli transmitters have airplane like defaults? Have you looked at each one? How about the ones that give you a nice default V for throttle in idle up mode or have pitch trim connected to a pot that the user has unknowingly bumped (and he is using the pitch channel at the KK2). These are reasons for beginners to avoid this, but if you know what you are doing, you can get additional functionality from it. Quote:
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If I am not mistaken, you are actually agreeing with me that these heli functions are indeed useful to people that know what they are doing. I am saying, by all means use them if you know what you are doing, but beginners should avoid them. |
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