What is design? Redefining the geometry of a gear’s teeth as to improve its durability? We start a small step before that. We observe the whole picture, trying to see how the products we make interact with the user and the environment. Sometimes there are minor issues, sometimes problems are so large that they assume social relevance. When we address these last and try to find a solution, we call it “socially responsible design”.

Some examples? Please check these:



The issue
During the good season, the air of sub-urban areas is filled with noise—as well as other air pollutants. A typical gas-powered lawn mower is heard a quarter mile away or more. In other words, a single mower pollutes as much as 100 acres of neighborhood with noise. Electric mowers are certainly quieter, but still propagating their noise 200 yards away. Such a noise pollution has a negative impact on the quality of life in residential areas.

The solution
As with helicopters, also with lawn mowers the largest part of noise is not coming out of the engine but rather generated by the blade. By re-thinking the aerodynamics of the mowing blade, we achieved a substantial noise reduction. So much substantial that we called this technology “Mute”. With Mute, the noise propagation is limited to 30 feet.

The advantage
Gardeners can now take care of their landscape without polluting the soundscape.


Did you know?

Gas-powered walk-behind mowers emit sound pressure from 82 to 93dB at operator level. Fur such a noise, the World Health Organization prescribes that hearing protection is used and recommends that people limit their total exposure to 45 minutes for the quietest models (up to 85dB), to 15 minutes for the average ones (up to 90dB) and five minutes for the loudest ones (over 90dB).

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