unconventional extractor fan ducting
On Thu, 6 Jul 2006 12:17:40 +0100, Guy King
wrote:
The message
from The Natural Philosopher contains these words:
DO understand how long runs of pipework reduce flow rates DRAMATICALLY
and use MUCH larger diameter than you might think necessary.
And smoother. Crinkly flexiduct is very draggy.
Avoid 90degree bends too.
Mark
|