The device works quite silent; the self-closing mechanism is not as imperative as in a classic rolling device, but still comfortable enough, free feeding little is needed. The inlet funnel has a refined structure, a lot of clever, as I had it in my previous rolling devices. Fast work is loose, open during emptying the closed collecting basket is not as disruptive as feared. The shredding is excellent, the cutting quality is surprisingly fine and thin branches are broken clean, much better than I knew it from the pure "rolling predecessors". A large (fresh) timber volume is processed instantly. Now I'm just looking forward to the durability, but all in all makes the "turbine roll" a stable impression, so that the unit earned 4.75 stars (deduction for collection, :-)). A definite recommendation!