Yes, fans get noisy as they are starved for air flow - cavitations or
something. On marine props that spin too fast, the cavitation collapse
actually erodes the metal badly.
jp
----- Original Message -----
From: "William L. Brandt" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Friday, November 14, 2003 4:28 PM
Subject: [HP3000-L] Noisy Fans


> I checked this digest and besides my posts on the Battle of the Somme and
> Hitler will mention an interesting thing about the long-running fan on our
> 917 LX - It was making some intermittent noise - so I decided to take our
> portable vacuum - give the front ventilation "vents" a going over, and the
> fan is now quiet.
>
> It doesn't make a whole lot of sense - will a fan make noise if it is
> starved for air?
>
> Doesn't make sense - I just report it ;-)
>
> Bill and his 917 which "takes a lickin' and keeps on tickin' "
>
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