one large dust collector/several small?

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been thinking of adding some better dust collection to the school. i dont know if i want to push the school to buy a big unit that would involve duct work ect.... or if i want to just get several smaller 1hp dust collectors.

1hp unit unit for router,jointer and planer.

1hp unit for 2 large belt sanders and palm sanding station

1hp unit for 2 band saws radial arm saw

1 hp unit for sliding miter saw and drill press

i priced some local porter cable dust collectors that was 150 dollers each

or i can buy a 4-5hp dust collector for all my machines......

the shop length is 95 feet with 10 average machines and we can aften have 3-4 machines going at once.

what we have now is a 1hp unit that is spread out over too large a space with a couple shop vacs to help out as we need them.

would it be just as usefull to have several dust collectors spread out to different sections of the shop or should we invest in a unit that can suck dust from the entire shop?

honestly not shure that i cans swing a big unit so what kind of comparison will i have with several small units to a big one?

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