Do you think you could use a fan from a vacuum for an exhasut fan??

Has anybody tried this???

It would work, but these fans are really noisy!

Good point!

Just trying to think of something that can be recycled into a working kickass fan, a quite one lol

Old PC fans? Most peoples best bet! Are ya using the ones from your fridge? Those would be great!

You could extract a similar fan from a broke AC Unit, as these also use impeller fans, only quiet ones!

Now thats thinkin, and I just happen to have one of those!!

do you think it would be easy to set up to a cool tube?

Yup. Pretty easy. Never had to set one up on my own, but most of the cool tube applications I have seen worked great and are easy to install...
Just search the forum, I am sure you can easily find a good guide to install one!