18-05-2013, 09:31 PM
The cheap ones are all the same essentially Id sit down and work out the area of 2 small ones compared to 1 big one and go for whatever gives the larger blown area.
Also 1 big one will be cheaper, less wiring, less current draw and the outer edges of the blades will be going faster.
Also 1 big one will be cheaper, less wiring, less current draw and the outer edges of the blades will be going faster.