Originally Posted by
80grit
I'm getting ready to build a vac box for 4 LH motors. I am only buying 2 for now and will buy 2 more when I get the funding. I've been pouring through vacuum posts here for months, trying to learn everything I can. I really appreciate everyone's experience and their willingness to share it.
For those who have used the LH motors, what is the greatest source of the noise? Cooling air intake, cooling air exhaust, vacuum exhaust?
Has anyone ever used another means to assist in cooling, like an external fan?