General > General Technical Chat
Bullshit units of measure
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Someone:

--- Quote from: IanB on October 14, 2022, 02:41:36 am ---Even if air watts is a recognized measurement, neither it nor anything else is really useful unless everyone quotes it in the same way so you can make comparisons. If Dyson gives a value for air watts and no other manufacturer does the same, then it is completely useless.

Personally, I would be happy with something simple like air flow at the suction nozzle (cubic feet per minute in the USA or liters per second everywhere else). You are going to find that the vacuum with more air flow sucks better, because to get more air flow you need more suction.

--- End quote ---
"professional" vacuum units already provide figures for the (peak) airflow and pressure, but that's at the hose/port and the cleaning capacity/effectiveness then depends on the chosen head.

How well a vacuum cleaner works? The EU has you covered: IEC/EN/BS/DIN 60312-1
Ed.Kloonk:
Hey, pardon my ignorance since vacuuming is the woman's job and all but what's the difference between paper bags and synthetic ones for a non-dyson?

Other than being twice the price, why should I not just get the paper one?
Psi:
Dyson is one of those brands that just pisses me of. So much arrogance.

Apple being another.


I just won't buy their stuff on principle. 
Even if it was the best option. (Which it isn't.)
VK3DRB:
This is one of Dave's most entertaining videos about Dyson's :bullshit: marketing. My favourite. If you have not seen it, watch right to the end - including AFTER the credits! :-DD

wraper:

--- Quote from: IanB on October 14, 2022, 02:41:36 am ---Personally, I would be happy with something simple like air flow at the suction nozzle (cubic feet per minute in the USA or liters per second everywhere else). You are going to find that the vacuum with more air flow sucks better, because to get more air flow you need more suction.

--- End quote ---
Then they could make a vacuum with wider and shorter hose, optimize fan for that and claim higher airflow. But it would be worse at sucking dirt from carpets because of lower static pressure difference fan can produce.
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