There is a section of my yard I've neglected to mow the last couple times since I was in a hurry, Saturday I had plenty of time and here's a video of the 1211 taking care of business. The grass was about 8" tall and when I was done the clippings were 4" thick, the 1211 has gator blades on it.
https://youtu.be/CLYzNSL6eS8