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Now for the rest of the story. First this is not badly made; it is strong but it is also powerful. I noticed there was a hole in the casing around the metal mulcher chamber. Clearly something had been sucked up into the chamber and flung to the interior chamber side and broke through. There were also about three linear cracks in the chamber side. After looking at the damage and the work to be done, I decided to cover the casing hole with strong hose and use duct tape to reinforce the slight cracks and hold the "hole repair" in place.
I was able to operate it satisfactorily to fill the collection bag six times before night fall. I will consider further ways to keep it going in a more robust way.
My point is that I don't feel the materials were low grad; the task it encountered was beyond plan. My advice is judge the task and realize that the task needs to be balanced with design.
MY EDIT: As I said in my original review; this works well and does the job. This is four days later and I wanted to examine the "repair" that I made to evaluate how well it worked. While the duck tape had covered the hole, the force of the air produced by the tool had produced a few leaks. I made adjustments and began work. After a couple of hours, I realized there was more dust created than before and it was not sucking up as robustly as before. I examined the tool and saw two holes on the other side of the mulcher chamber causing the dust. I finished what I was doing ignoring the dust. Upon looking under the "repair" I learned that some parts of the housing were now held on only by the repairs I had made. The mulching blade appears to by in pristine shape but the enclosure is substantially compromised.
I am returning the tool and requesting a replacement with the hope and expectation that the one I received was defective. I decided to read all the "1" reviews and there were about half dozen with experience such as mine but the product gets good reviews for the purpose I want. I did not change the number of stars because I really think it is a good product. If I succeed in getting a replacement, I will update this again.
UPDATE OF REVIEW. I received a replacement quickly and have been using it for 4-5 days, probably 20-25 hours. Everything has gone well and I am very pleased. I am more careful to avoid acorns and have made special effort to keep the intake of the tool 1-2 inches above the ground to acorns, nuts, small rocks. The power is sufficient that the leaves "jump" up. Swinging it back and forth helps avoid leave hanging up because you get them on the "back swing". I added a video to show it solves leaves laying on plants, the suction continues even as the bag fills (this was about 2/3 full), and it is heavy but can be handled. It is loud so be prepared and finally, the on/off switch was much easier to use.
