We have also found that an issue. Thought about a number of solutions like you have. Maybe time to trial some?
I would guess that electric fan units blowing up the rear screen would be most effective. (and instant) I have a weak old version of that in the 2+2 to de-mist the plastic window with limited success. The new, higher output units would be better. But the old classic stick on elements can still be bought. (I have found them to work in the distant past) I did see a very old style bar heater element for sale as well. With the sharp angle of the rear screen that would get warmer air flowing up the screen. Parallel to that I have bought an engine sump heater to trial. The idea being a small mains current runs through a coil on the sump pan and pre warms the engine oil. That is supposed to give really quick warm up which makes it more comfortable, (in the winter particularly) also it saves on fuel and wear especially with short journeys. I plan to fit to the 2+2 with a replacement engine. Quick warm up of course gives quicker conventional de-mist as well. Derek > On 2 Aug 2018, at 09:21, andyheaton64 <andyheato...@gmail.com> wrote: > > New rear screen Chris. > The other option as per lord Q is a couple of fake speaker holes with grills > or you could use the demister grills that aim the warm air onto the screen > mounted on the rear parcel shelf so air flow goes into the boot. > Air can then flow through the boot lid via vents and exit via holes in the > lower part of the boot lid as per Lord Q. > Happy Quantuming > P.s. The Dark Lord is mobile again !! > > > > Sent from my Samsung Galaxy smartphone. > > -------- Original message -------- > From: Susan and Martin Scott <susanandmar...@corringham99.free-online.co.uk> > Date: 01/08/2018 22:55 (GMT+00:00) > To: quantumowners@googlegroups.com > Subject: Re: [Quantum Owners] Rear demist > > I'd think by the time warm air went through ducting to the rear that all it's > heat will be lost ? I'd go for an electric element / fan type setup either on > the rear shelf or through some holes from the boot area (although strength > has to me maintained in the panel?). I don't know if they exist, but a long > coil of resistance wire near the base of the screen may provide enough rising > heat to clear it, and be almost invisible - like a 12V bar out of an old > electric fire! > Martin > ----- Original Message ----- > From: chris.quant via Quantum Owners Group > <mailto:quantumowners@googlegroups.com> > To: quantumowners@googlegroups.com <mailto:quantumowners@googlegroups.com> > Sent: Wednesday, August 01, 2018 7:52 PM > Subject: [Quantum Owners] Rear demist > > Has anyone come up with a viable alternative to the useless (and always > dying) demisting lines on the saloon rear window? > I’m thinking either a demist kit (or 2) from ‘car builders solutions’ or some > kind of ducting from the front heater box, with an in-pipe fan on a > timer......that’s as far as I’ve got in the planning/trying-to-work-it-out > stage. > > Chris G > > > <http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=emailclient> > Virus-free. www.avg.com > <http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=emailclient> > <x-msg://1/#DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2> > > -- > -- > You received this message because you are subscribed to the Google Groups > "Quantum Owners Group" group. > To post to this group, send email to quantumowners@googlegroups.com > To unsubscribe from this group, send email to > quantumowners-unsubscr...@googlegroups.com > For more options, visit this group at > http://groups.google.com/group/quantumowners?hl=en > <http://groups.google.com/group/quantumowners?hl=en> > > IMPORTANT NOTE: All information presented herewith is provided on an "As Is" > basis, without warranty or the implication thereof. 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