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Everything posted by SteamyTea
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I looked into it as well. The energy density is not that great, even if the power density is good. And the thought of having a washing machine sized bit of kit with a flywheel, rotating at 20,000 RPM, is a little worrying. Williams Engineering used one in their cars in 2009, when KERS first came along. They sold it to GKN back in 2014. Think there may be a system on Eigg, not sure if it is running.
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Thanks
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I was taught that fuses are designed to have a life, the higher the current, the shorter the life. Was not a straight line but an exponential curve. This is why, a low amp fuse i.e. may suddenly blow after years of sterling service for no apparent reason. Also why we have quick blow fuses.
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There are not any, unless it toppled over when you are underneath.
- 15 replies
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- pylon
- electricity cables
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Learning to live with mistakes. 5 Amp circuits
SteamyTea replied to ToughButterCup's topic in Power Circuits
No, I have not had that experience. Oh hang on. I had bad cataracts just over a decade ago. Then, after the replacements, I had some quite bad side affects. Now I am trying to remember the last job I did when I worked in London, oh yes, I worked for the RNIB. A previous job, was for a lighting manufacturing company. Get proper advice, not from a lampshade seller, or tech 'disrupter'. You can have that from any amperage outlet. What you are talking about is the light controllers and the diffusers, (expletive deleted) all to do with the wall socket or where the switch is. Generally yes. Was easy when I lived in the tropics, pain in the arse this far north. I still find it odd that there is fairly good light at gone 10 PM in the summer. -
How about a link to the product or future reference.
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Learning to live with mistakes. 5 Amp circuits
SteamyTea replied to ToughButterCup's topic in Power Circuits
My view is that too many people, put too much emphasis on lighting. When I am out and about, I am quite happy with the light that the sun produces, and that is just, in effect, a large pendant light. Sometimes it is obscured by cloud, which is the same as putting a lamp shade on it. -
Learning to live with mistakes. 5 Amp circuits
SteamyTea replied to ToughButterCup's topic in Power Circuits
We are constantly selling shit to upcountry folk. Charge an extra fiver by just putting the word Cornish in the description. What size is the cable? Can't you just wire in a 13A double, like it should have been in the first place. Wiring in 5 A sockets is like wanting to get a 1950s childhood illness "because what don't kill you, will make you stronger". Or driving an old Landrover. -
Learning to live with mistakes. 5 Amp circuits
SteamyTea replied to ToughButterCup's topic in Power Circuits
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Welcome Have you read the comments on here about developer new builds? Easier to have look at other places. Or make a ridiculously low offer, then move it on.
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ASHP SCOP=3 in uninsulated 1960s house!
SteamyTea replied to richi's topic in Air Source Heat Pumps (ASHP)
Then the CoP is creditable. -
Can't really say without seeing real world data. But a sales person would tell you none, 10% or 30% depending on what you want to hear. I think you should go for it, then tell us all how well, or not, it works. By it, and a proper one. Then flog he proper one after you have the VAT back. Or sell the duff one.
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While I agree that having modulation on the compressor is a good thing, for basic heating, for most of the time, how much of a difference will it make. Fitting an oversize buffer tank would allow for storage of higher than optimum temperature water, while still limiting the number of cycles.
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No idea what thickness, but my shelves hang off the plasterboard only. But this may be worth a read:
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Might be worth giving them a call to see if it is really an inverter model, rather than 'super inverter', which may just mean it is build upside down.
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Often wondered about these pool heating ones, we used to sell them, but that was over 30 years ago and I took no interest in that side of the business. Swimming pool sales people only come out when it is sunny. If one bought a very cheap one, swapped the fan motor for a variable speed one, cobbled up some kind of feedback circuit, I wonder how good they would be. Not as good as an all sing, all dancing unit, but probably good enough to warm a small house (like mine).
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At that price it us worth taking a chance. In all reality, there is no real reason, apart from after sales service and performance guarantee, for a hp to cost much more than a posh fridge.
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What is the price?
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Past performance makes no statistical difference, it only has to go wrong once.
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Hertfordshire low energy efficient retrofit
SteamyTea replied to lauraCWretrofit's topic in Introduce Yourself
Hard to beat mineral wool as a natural insulation material. Just some rocks spun up in a very hot candyfloss machine. You can get an idea of the embodied energy and carbon dioxide of materials from the ICE database. -
When does it actually become a breach of contract? What is the criteria? I did some work for a couple of barristers and they had a builder let them down. I commented that at least they knew how to proceed. There reply was 'we also know the limitations of the law'.
