how they did it:
they used an electric motor.
this post was submitted on 16 May 2024
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They started with an electric leaf blower as a baseline. Theirs is 40% quieter than the current electric leaf blowers on the market.
that's pretty cool.
Unfortunately not very many people seem to use electric leaf blowers here, and even if you were to transmute that addition to an ICE blower it wouldn't make a difference considering that the engine would still be loud as fuck.
Give then a Nobel Prize!
The sad thing is the students who actually did the work will probably see no financial gain from this. Students pay to take a class and then a company pays the university for access to the students and the students ideas and work is used by a company with no financial benefit to the students. Everyone makes out except the students.
How come there are no student unions?
Then they'd have to start paying student ath-a-leets. 😉
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I forgot that this device is still being used lol. Masovian Voivodeship in Poland banned leaf blowers in 2021 as part of air quality regulation and... air actually got cleaner and no one complains about leaves on sidewalks
https://samorzad.infor.pl/sektor/zadania/srodowisko/6408199,zakaz-uzywania-dmuchawy-do-lisci.html
I don't mind the electric ones, but I had a neighbour that would fire up a two-stroke backpack monster at 6 AM any morning there was the barest skiff of snow. And he'd try for hours blowing heavier snow that he could have had shovelled in 15 minutes. He was generally just an asshole neighbour all around.
we had a thread a while ago, and some dude was in there insisting that blowers can be "used for snow" because apparently snow blowers don't fucking exist.
People are fucking weird dude.
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The fucking DREAM.
People forget brooms exist. Just like using a shovel during the winter.
You didn’t just start using electric ones?
They probably weren't too concerned with the emissions from the leaf blowers themselves, but the dust and whatnot they whip up into the air.
Most gas-powered leaf blowers use two-cycle engines, which produce hundreds of times more hazardous pollutants and fine particulates than cars. Leaf blowers overtook automobiles as the number one source of air pollution in California during 2020.
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