Joao Eliseu wrote:
>
> Do you think that the flaps inside the cooling are also important to increase the
> air pressure? The speed of the air on the heads should be higher with the flaps
> on consequently more efficient.
-----------------------------------------------------------

They are an absolute necessity for long-term reliability.

Use Google's Advanced Search function with veeduber as the author and
air vanes as the Exact Phrase. This is not a new topic; you should get
a lot of hits.

-Bob Hoover