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SteamyTea

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Everything posted by SteamyTea

  1. 2=-cos(π)-(-cos(0)) So at each equinoxes.
  2. Would his lads not read it, they would need to know the difference between Will, Must, Can and Shall. We have two diaries, one for stuff that needs to be done, ordering, bookings etc, the other is the EHO (environmental health office) one that must be filled in daily. The last 4 chefs we have had have ignored it, they no longer work for us. In my experience, when it comes to getting a message across, I mention it constantly, I bore my co-workers to the extent they just do it eventually. I do make the paperwork as easy as possible to fill in i.e. day of week and date, rather than either day or date, saves the retards having to think. I put a pen nearby as well.
  3. Think I need to lay down in a darkened room.
  4. Get elected, promoted, into the right committees, then give up. Or just sell up to the National Trust, it is what our council does. I was taller.
  5. How large, in kWp. Will your DNO accept one that size. I know export can be limited but it may be a temporary get out. How have you priced it, full MCS installation for an expensive installer, or scouring around for sensibly priced parts and fitting it yourself (well managing the install). It may be cheaper than you think.
  6. When we had really complicated stuff to design and manufacture, we often got one of the model makers to knock up a small prototype of the complicated bits. Often highlighted problems early on. This was before 3D CAD programs were everyday usage. Later, when every man and his dog, not to mention talented 12 years old, 3D CAD drawings became a nightmare and quickly highlighted lack basic engineering knowledge and practice. One think I introduced to help identify areas on a drawing was an xyz coordinate grid system. That helped a lot over the telephone.
  7. I am currently out in the sticks. Not sure I will survive, good job I brought a book to read.
  8. We use MS Teams at work. While I never bother to read any off it at all. Workmates do. Seems to me it is just a way of grouping notes and messages by different criteria i.e. timeline, subject, recipients etc. I think there are a number of different collaborative tools available, but most seem to be way to large and complicated for small projects. Have you thought of a large whiteboard with dated notes scribbled on it?
  9. From my limited understanding of the chemistry involved, once the water is added, the reactions start. So if warm(ish) when poured in the morning, a frost should not bother it.
  10. I am at work. It's shit, and this is the staff login.
  11. TL:DR Get them to do a basic heat loss calculation. And have a look at the current bills. Without even basic data, it is hard to recommend anything really. Though A2AHPs are cheap to buy, install and run.
  12. Be personal transport as a service, which is where much of the software world is going. Someone will come along and design an open source system that complies and is repairable.
  13. Evan has been banging on about his heat pump for quite a while, even got told to stop promoting them at one stage. But now he has a show about them. https://www.bbc.co.uk/sounds/play/m002sg1b
  14. They are, but the consequences are high, similar to a car fir. A tumble dryer, generally, is lower consequences i.e. less energy to burn, less spread of flame as they should be vented to outside properly. Then there is the way of extinguishing problem. 20 kWh of batteries may take a few hours. So the risk may be low, but the consequences are high. Risk management is all about the balance.
  15. Me, @Onoff and @Pocster. Trouble is everyone else is too nice to us, so we carry on.
  16. The sound has just gone up two octaves. Was that the sales pitch they used to flog it.
  17. Matthew Syed was talking about this just today. Well worth a listen to his shows, he does not mention ping pong too much. https://www.bbc.co.uk/sounds/play/m002sf4z
  18. You can get non expanding PU adhesives. They will stick almost anything to everything.
  19. I think it is quite reasonable. A lot of these batteries will be charged up over night. Teenagers don't get woken up by a fire alarm (a gentle female voice is best apparently). As @saveasteading says, 2 hours is a cheap fix, may also limit damage to the rest of the building. Look what had happened in Glasgow. Dodgy vape batteries and a major railway station is closed.
  20. https://www.hse.gov.uk/safetybulletins/co-wood-pellets.htm Since 2002 there have been at least nine fatalities in Europe caused by carbon monoxide poisoning following entry into wood pellet storage areas. Although there have not been any incidents so far in the UK the use of wood pellets is increasing and awareness of this danger is required
  21. Only 4.5 kWh/kg. So after conversion, about 1.5 to 2 kWh. So a lot of tonnes.
  22. About 10 TWh/year is turned into electricity. We use about 320 TWh/year. But I like the idea for storage. (Some of the above will be land fill gas)
  23. Cold showers are what you need. ♫Rich man sweatin' in a sauna bath Poor boy scrubbin' in a tub Me, I stay gritty up to my ears Washin' in a bucket of mud♫
  24. Especially if you paid nearly $120/br for oil.
  25. Thinking a bit more about it. Air pressure is what is actually doing the driving, PV/T. Change any one if them, with volume being hard to change, and properties change. This can also be affected by the Venturi effect around the building, which even in a light breeze probably has a greater effect.
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