I was curios so I took an airtube and stuck it in my Koralia. I don't have an air pump so I just just gently blew into it. It was very noisy; it seem like the propeller didn't like it either. So probably not a good idea.
Deaths Sting;2866130; said:if u incorporated an air line to the intake part it would produce bubbles. but the whole design would have to be modified.