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SteamyTea

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Everything posted by SteamyTea

  1. SteamyTea
    Or store it with the Ark of the Covenant.
  2. SteamyTea
    @Stones You going to close this one as it is similar?
  3. SteamyTea
    Is this about the gobby ex copper.
  4. SteamyTea
    I will ignore the K in kW. But temperatures should really be in K, not °k or anything similar. But to get a bit statistical about it, the savings come come from the difference in the heating degree days, not the relative readings. This is why a small change in internal temperature can make a large difference at the higher end of the scale.
  5. SteamyTea
    @Tennentslager Can you copy and paste the article as it behind a paywall.
  6. SteamyTea
    https://www.newscientist.com/article/2229715-humans-are-cooling-down-so-average-body-temperature-is-no-longer-37c/
  7. SteamyTea
    I don't think we stack up too well on some of then, even today, and a few decades ago were had horrendous work practices. Seabed dredging for minerals probably has the lowest long term environmental impact, mines around here are still polluting the place, or take constant maintenance, 30+ years after they closed. You hardly see an 'old miner' these days, most have died prematurely, usually from asbestos. St. Austell still has a lung cancer problem which they think is linked to the clay works. Some of them are still producing.
  8. SteamyTea
    Around the amount I use for everything except DHW and Space Heating.
  9. SteamyTea
    And they stopped using the ITC, which was just a cartel designed to keep the supply of tin under control and the price high. Also, river delta dredging became profitable as the technology improved. Cornwall also did not invest in modern mining methods, assuming the hard rock mining was the only viable technique. I think Chile led the way in mining during the late 80's and 90's. South Crofty (our last working tin mine) was on TV the other night, saying that it is going to reopen. Been hearing that all the time I have lived here.
  10. SteamyTea
    Or substation. Keeping with the car theme, how about Kona, and just hope no one from Portugal sees it.
  11. SteamyTea
    Around 17.5% of the installed prices. So assuming a mean installed price of £7,000, and around 1 million installs, that will be £1.225bn. So not far out.
  12. SteamyTea
    And the government, under Cameron, response was 'The Big Lunch'. There were more people looking at big waves in Porthleven than at the Big Lunch, says it all.
  13. SteamyTea
    But it has enabled 2.7 GWp of domestic (up to 4 kW) installed capacity in the last 10 years. That is out of a total of 12.95 GWp. That compares favourably with our nuclear program, which has installed nothing new and is only going to add a couple of GWp. So if one used the 1 MWh generation for each 1 kWp installed, all PV now generates ~13 TWh/year Hinkley could produce about 16.6 TWh/year at 95% of full capacity. There is about 950,000 sub 4 kW in the UK, so if the premium was £1,500, that is ~£1.425 bn. I cannot find a figure for how much Hinkley has cost so far, but i will guess it is more than the MCS premium.
  14. SteamyTea
    Food, in real terms, is a lot cheaper calorie for calorie, but we now tend to eat out a lot more, so household spend is similar.
  15. SteamyTea
    I am dubious of this sort of tank. We have well understood about the properties of heat for a couple of hundred years now. If this was a brilliant solution, we would all have them. And anyway, my 200 quid E7 tank has 2 immersion heaters, one in the bottom, one in the top.
  16. SteamyTea
    Really down to the cost of different technologies/solutions. You may find that overall, a simple water cylinder heated directly with an immersion heater is cheapest. There may be slightly higher thermal losses, but these can be reduced with strategically placed insulation. Air2Air heating may be worth considering if you fit an 'oversized' MVHR system. Not quite as messy as digging up a floor to add insulation and UFH.
  17. SteamyTea
    It is really down to sizing a system for your consumption. I could, if I had room, fit a 4 kWp system and configure it to export nothing. It would mean being very wasteful in the summer, and still importing in the winter.
  18. SteamyTea
    I shall convert that to 28 kWh/day, which is around 1.16 kW. If your CoP is around 3, then that is 3.5 kW of thermal energy. With your floor area, that is ~30W/m2 Now considering you have bungalow (detached I assume), you have a lot of wall and roof area. I use around 9W/m2 to heat my small terraced house, but if it was just one storey, I suspect that the energy use per square meter would double (I don't have heating upstairs). And if I was detached, I would be adding an extra 200% of external wall area, so that would probably bring it close to your usage.
  19. SteamyTea
    There is a saying that political parties loose elections, not win them. Now I may be in the minority here, but I have not seen much in the last 10 years to give the general public confidence in their chosen decisions. Just to put a decade into perspective, that is the difference between puberty and a degree qualified teacher starting out on their first job, Tesla going from a niche development company to the leaders in EVs, Facebook gong from 400 million users to 2 billion. And about the same amount of time that most people on here take from deciding to build a house and getting it 90% finished.
  20. SteamyTea
    Um
  21. SteamyTea
    Chris Grayling is a treasure and shows that keeping a minister in place can pay dividends. When I say dividends, what I mean is that he takes the pressure off everyone else to do anything meaningful. Is there a similar chart for top civil servants, the people that do the real work.
  22. SteamyTea
    How old are these 3 boys? A tend to agree about keeping a sleeping area separate from cooking. Have you thought about heating?
  23. SteamyTea
    There have been instances recently where the opposite is true.
  24. SteamyTea
    Anyone wish to comment on @Nickfromwales's comment about a thin slabs needed higher temperatures for longer to counteract thermal instability. Just does not ring true to me.
  25. SteamyTea
    When I was first at university, I had a flat made that tried to peel his skin off with a potato peeler. Was down to some bad acid. We just told him to stop. A while later, he drank too much and had to have a trip to hospital for a bit of pumping. Found out a few years back that he decided to jump of a cliff in Dorset. All very sad and looking back, all the signs of serious mental health issues were there, but were were less enlightened 40 years ago.
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