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Could you maybe give me the formulas for those calculations? Not just cfm related but motor ones like whatimpeller it can spin how fast etc would also be helpful. Its hard to find information, i think because im not experienced in the topic.

I see what you mean more now, Im not very familiar with anything related to this to be honest, which is why im asking around for help, mostly self research on this topic since im doing it for my hobby. Going to follow these 2 videos for the design of the fan, he uses a 3 phase 3 hp motor that...

Hmm I have a few questions on that, I've read a few articles on woodworking forums like woodgears, and watched other ppl build theirs. There, they dont use a belt drive for a dust collector, straigt from motor to impeller no conversion. Belt drive is usually reserved for bandsaw. It seems that...

All 3 motors were rated for 3450, I dont know of a way to calculate that without actually building the impeller and blower and getting readouts from air coming out [rednose].

Hi, I am planning to build a dust collector for myself. For my small mainly hand/power tool shop, with dewalth planer and table saw. I am getting a 4x4feet CNC and recently read the Bill Pentz article which is what made me decide on this upgrade as my SO has asthma. Ill make the 14-15inc...