SteamyTea
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Posts
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Joined
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Days Won
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Everything posted by SteamyTea
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I agree, it was a long run back to the house. I suggested that they double up the cable size where they could. Was a dreadful installation. The inverter was in a greenhouse.
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When I did my teacher training, a book called 'Inside the black box' was often quoted. I said, in my usual deadpan way, 'what box' and some of the teacher's teachers though that funny. Like law, a good monkey could learn the skills needed to practice.
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Has anyone calculated the losses in a long DC cable run. Bit hard I know as the power is varying, but maybe at 5 power settings, with one being maximum and one at 500W and the others spaced between. I don't think it is a problem, but have seen it give a 10%ish loss at 4kW on a ground mount system.
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Advice on DHW & heating please.
SteamyTea replied to Moira Niedzwiecka's topic in Other Heating Systems
That is enough for a bath, or 2 decent showers. Though some days you will have to have none and catch up on others. -
If it is only a year to wait until the gas is connected, then buy 50 quids worth of fan heaters. 50 litres of hot water would cost around 50p to heat by electricity. 50 lt of 65°C water is enough for a bath. (now there is an easy thing to remember, litre of hot water costs a penny)
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Right, been having a play with my ESP2866. Managed to screw it up a few times, but have also managed to get it working again. Now because it does not have much memory, nor does it have a real RTC, just some fake one, and I do not have a Linux box apart from my RPis, so usually working from my Windows 10 machine. Now this is fine for getting into it with PUTTY, or WEBRPL, but not much use for anything else. Now I have an old router or 3 kicking about. So I thought I could make up a simple wireless network for my home monitoring. My thinking is that if I set up the router, plug in a RPi that has an RTC on it via an ethernet port, then set up the ESPs to connect to the wireless side of the router. If I can bridge between the RPi and the router so that everything is connected, I can use the RPi to send out commands to the ESPs and grad the data I want, then timestamp it and save it all to a network disk. Does that sound feasible? Something like this:
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I am about to start a new thread about home monitoring as I have an idea.
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Not on the RPi or ESP2866 it isn't. Eentually found out what was wrong with my original BME, they were just that temp and pressure, no RH.
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I may reply to this when I have finished the housework
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Welcome I am interested, purely from an academic point of view, about foundations. We only tend to hear about them being a problem, but not the science behind them. Seems to me that they are often very over engineered. Is that true? @MikeSharp01 My very first post 'over at the other place' was about open source house design. A decade on and still not much is happening. I find it hard to believe that we still use labour and energy intensive building materials and techniques on site.
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Bit more involved that that in reality. Under our MCS rules, an ASHP needs to supply enough energy for space heating 99% or the time. This is not as bad as it sounds as it is best to oversize an ASHP anyway. There is not a direct comparison between the output of a traditional boiler say 30 kW and an ASHP oof the same size. Others that have ASHP would be better placed to comment, but my feeling is (and a little bit of thermodynamics) you have to take into account the lower delivery temperature of an ASHP when calculating the peak power.
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That one I think.
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When I was at university, they gave out a load of coursework on USB sticks. Made a mess of the MACs
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Check he has the right paperwork or you could be liable. Or just flytip it yourself and save some cash.
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All a bit tricky, but 4 things to know first. The energy demand of your house The energy split e.g DHW and Space heating The installation costs Energy prices. Energy pricing for NI is here: Electric https://www.nihe.gov.uk/latest_tariffs Oil http://www.consumercouncil.org.uk/energy/home-heating-oil/#recent Gas (with a lot of digging) http://www.consumercouncil.org.uk/energy/gas/ You also asked about the difference between an ASHP and a gas boiler installation. It really just comes down to the different temperatures that are delivered. ASHP has a lower temperature delivery to keep the efficiency high, a gas, oil or electric boiler delivers at a higher temperature. All that means in practice is that you need different surface area for the emitters (radiators). Lower the temperature, larger the area. For space heating via under floor heating it may just come down to a different size buffer tank and a few valves. Plumbers can give better detail on that.
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Not tried it recently, but Chromium works on Linux. I tried PaleMoon, can't remember why I stopped using it, probably something in there that narked me.
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IronPortable is Chromium, rather than Chrome, and can share bookmarks across machines.
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I remember in the 80's that business people where being taught Japanese, as that was the future then. I find raising my voice and tone and pointing more vigorously works. If we had to learn a language, why not International Sign Language. Being a rusty British Sign Language signer, I find it very useful. I can eves drop at a distance
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How do they work with a bath as you are not drawing water at the same time as expelling it. Taking @JSHarris's idea a bit further. Why not use a heat pump. Run the expanding gasses around the waste pipe, squeeze that gas into a heat exchanger and see what comes out.
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Think I must have as well, been using the SeaMoneky fork for a while now. There are a lot of features I like about FireFox, but it seems to have been badly developed over the last few year. Maybe it is time for Mozilla to think about starting again rather than just adding on features. There seems to be about 10 browsers on Portable Apps. may give some a go.
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If you open up other applications i.e. Word, AutoCad, do they grab back some of the RAM from FF?
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Shows what you are looking at, one to be careful with when posting up information You can use it to clear up memory though.
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My SeaMonkey is using 355MB with 6 Tabs open.
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Timber frame passive standard build
SteamyTea replied to Scotrock's topic in General Self Build & DIY Discussion
And Scope was known as? -
Buy a beer with it, they are selling something called Red Dragon at the St. Agnes Arms tonight. Seemed everyone was drunk on it.
