I trust your math and all but if I used an 85 CFM fan and it didn't push it up, how will a 20 CFM fan work? That's back pedaling. What about gravity and the force it's putting on the ball as well.
Speed isn't a concern. The length it would have to travel would hit about 6 inches. What I want the ball to do at the top of the pipe is to sit there and hover (which it should since all of the air will escape out of the end)
The full plan is to have the ball go down a pipe and feed into...
I don't think so. The ball is smooth and there is limited friction on certain areas of the ball.
I think my best bet would to go with a 150 CFM fan and hope for the best.
I appreciate the quick responses but I'm unsure on how to decipher what exactly your variables mean. You say the area of the tube, now are you referring to the "volume" of the whole tube or the overall area of the diameter. Also you label "Wind Speed" and "flow rate". Now flow rate is just...
I'm currently building a device that will blow a ping pong ball vertically up a tube but don't know what fan I am going to need. Each fan gives a CFM flow rate but the problem is that I don't know how to calculate the required fan CFM i'll need in order to push the ball vertically. In other...