[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [APD] Cooling fans for hoods...
With lots of venting, like the AHS wood hoods, for example,
you can often avoid the need for a fan at all. So if you do
both, a temp-sensitive controller is a pretty good idea for
minimizing noise and electrical sonsumption.
--- Rory O'Brien <rory_obrien at stonebow.otago.ac.nz> wrote:
> Thank you for the comments folks.
> I think for thermostatic control of a fan, I'm going to
> try this...
> hooked up to a 120mm one of these...
> with the possibility of connecting second fan at a later
> date if things are
> still too hot.
> Now, am I better off having the fan(s) oriented to suck
> warm air out of the
> hood, or blowing cooler air into the hood ?
> and that just leaves the woodwork :-o
> - Rory
> on 22/11/05 12:18 PM, Stuart Halliday at
> stuart at stuarthalliday_com wrote:
> > Rory O'Brien wrote:
> >> I'm in the planning stages of constructing a hood to
> house my 3 x 55W CF
> >> lamps (AH Supply) and I'd like to incorporate some
> cooling fans to dissipate
> >> some of the heat generated by the lamps and ballasts.
> I'm thinking maybe two
> >> 12cm 9V PC case-fans powered from a transformer,
> possibly connected to an
> >> electronic thermostat to control when they're on and
> off? The fans I can get
> >> locally easily enough but has anyone tried to
> thermostatically control such
> >> fans that might care to recommend a particular product
> ? (which would have
> >> to be available through online mail-ordering, such as
> > I think you'll find they are 12V.
> > Though you can run them off 5V or 7V for extra low
> > There are lots of different types. Make sure you get
> the ball bearing type
> > NOT sleeve bearing as they don't last.
> > You will have to perform regular maintenance, basically
> blowing air from a
> > aircan over the blades to stop dust build up.
> > Take a look at some of the quiet PC mod web sites like:
> > http://www.quietpc.com/uk/casefansacc.php#fanmate
> > or
> > http://www.quietpc.com/uk/casefans.php
> > for an idea of what's on offer.
> > Some Silenx Fans for example come with a temperature
> sensor built-in.
> > Some are rated as loud as 8db!
> > Reviewed:
> > Widely available.
> Aquatic-Plants mailing list
> Aquatic-Plants at actwin_com
* * * * * * * * * * *
Opening both barrels at once:
The Grand Opening
You can find the winners and all the other terrific entries in the 6th Annual AGA Aquascaping Contest here:
And the other Opening:
In response to repeated requests from aquatic gardeners, the AGA has opened forums for the benefit of the community:
Aquatic-Plants mailing list
Aquatic-Plants at actwin_com