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08-04-2007 02:27 PM  13 years ago
fulload

rrApprentice

Wichita, Ks.

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Additional update:
I went to the rapturetechinique web site to review setup. I found he had a recommendation for setting the gyro up specific to the JR 9303 radio. I had been using his original set up instrctions.
Anyway, the servo settled down and the tail appears to function properly.
I have noticed something though that is common to my other helis I would like to ack you about: In HH position, when I move the stick the blades react accordingly, but if I move the stick to a position and hold it there, the blades continue to swing in that direction to the stop.
Is this normal?
Please note that I made a new post on this to you may want to comment there.
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08-04-2007 03:22 PM  13 years ago
firefox

rrApprentice

Thailand

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In normal mode, the normal behavior (on the ground) is that the tail blade angle will always move with the position of the rudder stick. So, if you deflect the rudder stick a bit, the tail will deflect about the same amount. If you hold it there, the tail will stay. If you let go of the stick (center), the tail will go to center.

In heading hold mode, it's different. If you move the stick and then let go, the tail will deflect, and then remain in that position. If you move the stick and hold it, the tail will deflect more and more until max. This is normal behavior. The reason is because in heading hold mode, the gyro is interpreting your rudder input as a command for the helicopter to turn, and deflects the rudder. When you let go, the rudder remains deflected, since the heli is on the ground and hasn't turned to the correct amount yet. If you keep the stick in position, the gyro thinks you still want to turn continuously, but senses that nothing is happening (this is for when the bird is on the ground), and so deflects the rudder more and more to make the turn happen.

In other words, for normal mode, the gyro isn't doing very much, but in heading hold mode, the gyro acts as an interpreter for the rudder commands, which are interpreted as how much you want to turn.

This is why when you're setting up the physical limits and center of the rudder, you should always use normal mode.
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08-04-2007 03:50 PM  13 years ago
fulload

rrApprentice

Wichita, Ks.

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Firefox, I had not considered that. It is something I had not seen before so I wanted to ask. I have been flying helis for a short time and set some up just fine, but this condition was new to me.
Thanks much for your reply.
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