Re: DDAR in Bathroom.

["Alancc" <alan.cc@xxxxxxx>]

How about the old stick on rear window demisters, you know the ones where
the terminations kept burning off.

Alancc
----- Original Message -----
From: Keith Doxey <ukha@xxxxxxx>
To: ukha_d <ukha_d@xxxxxxx>
Sent: Wednesday, August 29, 2001 1:20 PM
Subject: RE: [ukha_d] DDAR in Bathroom.


> How about some 25W Power Resistors (the alumininium clad ones) riveted
to
a
> sheet of Aluminium. Place the aluminium on the rear of the mirror and
drive
> from a high current low voltage source. Plate will get warm and heat
the
> mirror. Safe, low voltage, cheap.
>
> You cant use a single point of heat or the mirror may crack hence the
use
of
> multiple resistors distributed around the plate which then dissipates
the
> heat more evenly.
>
> Keith
>
> -----Original Message-----
> From: Paul Gordon [mailto:paul_gordon@xxxxxxx]
> Sent: 29 August 2001 11:51
> To: ukha_d@xxxxxxx
> Subject: RE: [ukha_d] DDAR in Bathroom.
>
>
> Aren't there any low voltage options for heating behind bathroom
mirrors? -
> Can't be that difficult surely?
>
> - I remember having one of those car lock de-icer thingies that ran
off a
> single AA battery and would get too hot to touch within about 10
seconds
> when operated...
>
> How much heat can it need to demist a bathroom mirror? - aren't there
any
> car window demister kits available as add-ons that could be stuck to
the
> rear surface of the glass?
>
> £0.02
>
> Paul G.
>
>
>
>
>
> >From: "Phil Harris" <phillip.harris1@xxxxxxx>
> >Reply-To: ukha_d@xxxxxxx
> >To: <ukha_d@xxxxxxx>
> >Subject: RE: [ukha_d] DDAR in Bathroom.
> >Date: Wed, 29 Aug 2001 11:35:33 +0100
> >
> >
> >Smarthome.com sell these heating pads for behind mirrors and I was
tempted
> >to get one but wasn't sure about a safe source for a permanent
110V
supply
> >... are the 240v - 110v ac transformers safe enough to be chucked
away in
a
> >loft where they can't be seen anymore?
> >
> >Phil
> >
> > > -----Original Message-----
> > > From: Ian Oliver [mailto:ioliver.lists@xxxxxxx]
> > > Sent: 29 August 2001 09:25
> > > To: ukha_d@xxxxxxx
> > > Subject: Re: [ukha_d] DDAR in Bathroom.
> > >
> > >
> > > In article <9mh5ek+l72g@xxxxxxx>,  wrote:
> > > > Bathroom mirrors do...... :o)
> > >
> > > Not if you have a heating element behind them. I stayed in a
very
> > > expensive hotel in Tokyo and they had an heater behind that
cleared a
> > > patch in the shape of the hotel.  Sadly for a Westerner the
patch was
> > > too low and I couldn't see my head!
> > >
> > > Regards
> > >
> > > Ian Oliver
> > > Sunny Leeds, UK
> > > Using Java on Tini for control via Dallas 1-wire
> > >
> > >
> > >
> > >
> > > For more information: http://www.automatedhome.co.uk
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> > >
> > > Your use of Yahoo! Groups is subject to
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> > >
> > >
> > >
> >
>
>
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