[TR] Push or pull

[Geo & Kathleen Hahn]

The blades on my electric are shaped like a little airfoil... a slightly 
curved profile.  This, I suppose, makes them better in the one direction.

Geo

----- Original Message ----- 
From: "Randall" <tr3driver at ca.rr.com>

> However, oddly enough, some fan makers do say to turn the blades around 
> when
> configuring as a pusher instead of a puller (in addition to reversing 
> shaft
> rotation by swapping the wires).  Apparently their fans are more efficient
> when turning in a particular direction.