russ_watters's latest activity

You just don't get it. Rotary lobe pumps move a lot of air. One place they are used is to move dry granular material. The dry material...

And back to my reply that the question is not answerable with any degree of reliability. - Example: I have a very large vessel to...

Pick them to do what? Many pertinent questions were asked and you have not answered. I suspect you don't really know what you need. You...

Rotary lobe pumps typically used as superchargers have similarities to gear pumps. They are mostly used for non-liquids. I guess it...

Hopefully the OP is still finding this instructive.... Here's an example clip from a fan balancing report I was looking at yesterday...

I mean, that's still pretty much a mess, so you're arguing against your point. The tube is a pressure relief device. Excess pressure...

But they're asteroids? Where would the implication that they could be hollow space stations even come from? It makes no sense and...

Why do aliens need to simulate gravity by spinning a rock ? Residents, with a vestibular system, could not just look the other way.

No reason to think they are artificial and extraordinary claims require extraordinary evidence - but making them increases the views and...

Right, that's why I'd teach the proper definition. You wrote that backwards, didn't you? I think fluid goes out through the inserted...

I mean, to me that's just rejecting the word "suction" without recognizing what it actually means. I don't see how understanding the...

Yeah, some people don't like the implication of negative pressure in the word; Absolute pressure can't be negative. But to engineers...

Isn't that 'sucking' by definition?

It seems to be kind of looks like more of a semantic issue.

Referring to the front and back can be confusing because it depends on how you look at it. Maybe refer to the air inlet and outlet, the...