Skully: That's a great bunch of info but refresh my memory about how to introduce the perturbation. It is very obvious that the transmission is whipping around in a circular fashion and the airframe is trying to keep up. It's definitely not collective bounce although there is a vertical component. ![]() I caught myself whipping my head as I read them and tried to visualize. Overtalk: I loved your descriptions of pylon rock and collective bounce. And to answer a few other questions that guys had or things they suggested: Thanks very much to everybody for their input. sometimes descending but sometimes climbing.Ī (5): There have been a few instances where I have felt just the slightest trace of the onset while flying with an internal load. It is certain however, that every time it has happened I have been in strong upflow. I can see one flag at the site straight out, flapping furiously while indicating a 180 degree different wind direction from a flag no more than 80 metres away that is flapping just as furiously. I have had wind blasting in the right side window at the same time it's blasting in the hole in the bubble. It will remain at the same amplitude until the A/S is around 30 kts.Ī (4): I'm not sure about the wind direction every time. It starts right at the transition area between translation and hover. ![]() ![]() and that's all this hog will lift.Ī (3): Yes. Various loads including nets and straps on dense loads like compressors and re-bar.Ī (2): It only happens with a load in the 2500 lb range or greater.
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