It seems that on the robot those little blades would dull rather quickly. And if it only does a random pattern doesn't it waste quite a lot of time going over areas that it already cut? And your yard is very clean, what about yards with trees? You usually have a lot of little limbs and twigs that are always falling. A full size mower is powerful enough to just cut them up. I would think the little razor blades would really have problems with even small twigs.
It seems that on the robot those little blades would dull rather quickly. And if it only does a random pattern doesn't it waste quite a lot of time going over areas that it already cut? And your yard is very clean, what about yards with trees? You usually have a lot of little limbs and twigs that are always falling. A full size mower is powerful enough to just cut them up. I would think the little razor blades would really have problems with even small twigs.
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