Piccolo Pro tipping over

Do your Piccolo Pros prone to tipping over on a landing? Mine does and I am trying to figure out why. Mine always want to tip to thr right side. I land with a little left cyclic and give it hard left as I am spooling down. Most of the time it will stay upright but once in a while (more often than I like) it will tip over to the right until the blade hit the ground. The rotor head speed is usually too low for the cyclic to work at that time.

Any comments?

Thanks

I sometime have the same problem. I think it has to do with the tail rotor thrust pushing the skids out from under the heli. And just like you said the blades dont have enough thrust to counteract it. I have added a little left trim to counteract it. [img]/ubbthreads/images/graemlins/laugh.gif[/img]

[pgoelz]

It sounds like you are using four channels without a separate throttle curve? I can't say whether the behavior you are seeing is normal if the head speed is very low but I can say that at a decent head speed it is definitely NOT normal.

If you ARE using a throttle curve, try resetting it so that the head speed remains constant as you reduce the collective to at least zero pitch.

[reflex]

My Pro. is set so that at min. throttle
I have some negative pitch,this "nails" the Heli to the ground as the blades wind down.

[pgoelz]

Yes, you should have some negative pitch available.... maybe a minimum of 3 degrees. This will allow you to descend even if there is significant translational lift.

My setup is symetrical +/- pitch, which puts zero pitch at center stick.

>>It sounds like you are using four channels without a separate throttle curve?<<

I am using a throttle curve. Since I also fly a Hornet I do like a little higher head speed.

I think the tail rotor motor shut down too early and the torque kicks the tail over when the tail motor shut down.

What is the trick to keep the tail motor running at low throttle.

[pgoelz]

The "trick" is to have a throttle and revolution mix curve that A) holds the head speed constant as you change the collective and B) causes the tail power to exactly counter the main rotor torque. If both are correct, there should be no adverse effects as you lower the collective, land, and continue to lower the collective.

If the problem is just inappropriate tail power, I would expect a yaw on touchdown, not a tipover.

>>The "trick" is to have a throttle and revolution mix curve that A) holds the head speed constant as you change the collective and B) causes the tail power to exactly counter the main rotor torque.<<

Yeah, that is a trick alright.;-) I get the throttle curve and revo mixing just right from slightly before hover all the way to full throttle. It is the spooling up and spooling down that I can't get quite right. The tail motor doesn't start rotating until almost before lift off and shuts down right after I land.

I did fix the tip over problem by dialing in more negative pitch. As soon as I dump collective upon land the skids are no longer "light". ;-)

Thanks