Centrifugal Fan Manufacture
 

Hi all, I wasn't sure whether to put this into Tech Log or not, but considering that while it concerns airflow, it's not necessarily a part from an aircraft, I thought here might be just as well.

My project is the reverse engineering of something called a Potterton Blower. Basically what you have is a shaded-pole induction motor turning a centrifugal fan within a galvanised snail-shell shaped casing. I'm as far as the manufacture of the peices, but when it comes to the fan itself, I've drawn a blank. What ideas have ye, before I take up the time of the Sifan people with an e-mail? How are centrefugal fans made?

Oh, and I'm getting a student credit card soon, so I'll soon get me a "personal title". I'm thinking of "PPRuNe Trainee Engineer" or "PPRuNe Technician". What do ye think? :)

Go to your nearest pub, head straight to the gent's room!
Once inside dismantle the ceiling fan, usually vent axia or similar.
Whip out the fan, get numbers and product markings! Or just nick it!
Use that as a guide!