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Permalink Reply by OG on April 17, 2012 at 9:09am

 this works no problem I was thinking of doing a how 2 too.. APM will handle the pitch & role you can control the rotation from your radio http://code.google.com/p/arducopter/wiki/APM2_Motor_order

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Permalink Reply by herve pellarin on April 17, 2012 at 9:14am

hi OG,

i don t need to turn it, i need it to be very steady, and why not keep a direction with magnetometer,

couldn t find any example of video recorded this way

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DeveloperPermalink Reply by R_Lefebvre on April 17, 2012 at 9:18am

I think it could work.  Try setting it in Helicopter mode, with the camera pitch and roll tied to the camera pitch and roll outputs.  Then plug the yaw into the rudder control function.

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Permalink Reply by herve pellarin on April 17, 2012 at 9:22am

thx robert, so for you the helicopter mode, would be more accurate than the plane mode?

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DeveloperPermalink Reply by R_Lefebvre on April 20, 2012 at 1:55pm

I don't think the airplane mode would really work well at all.

The trick to this, I think is the APM has to be mounted *inside* the pan gimbal, but outside the roll and tilt gimbals.

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Permalink Reply by herve pellarin on April 20, 2012 at 2:02pm

interesting idea robert, but why s that?

i was thinking to set it on the top part of the gimball.

do you think you can improve the speed it react by adjusting pid values?

thxx for your time robert

best regards

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DeveloperPermalink Reply by R_Lefebvre on April 23, 2012 at 9:54am

It really has to do with how the system is set up.  The standard camera control code expects the IMU/APM to be placed outside the pitch and roll axis, so you have to do that.  Then, the yaw control code expects the IMU/APM to be placed inside the control axis (ie: on the helicopter frame).  Now, this solution would require a continuous rotation modified servo, I think.  If you are not using a continuous rotation servo, things get more complicated.

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