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Everything posted by kommando
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When I worked for a company subsidiary of a US major Automotive supplier and with Chapter 9 protection available, our major suppliers took out work in progress insurance with Euler Hermes who are now part of Allianz. https://www.allianz-trade.com/en_GB/campaign/trade-credit-insurance-price-calculator.html?utm_source=google&utm_medium=cpc&utm_campaign=[Brand][MM][UK][EN][Leadgen][Euler_Hermes][E][P][Search]&utm_termeuler hermes&gclid=CjwKCAjwmJeYBhAwEiwAXlg0AaZjA5Z9Jc7o3uRFqt4mXDF2XAhXUA6vhKtQj61NUD6oG38wy7BQYBoCG1UQAvD_BwE If there are any red flags against the Timber Frame maker then they will not issue a quote for a policy, so if they will quote then currently there are no issues. They used to withdraw cover on existing policies at the first signs of problems so really as much use as a chocolate teapot so do not take a policy out. So the companies that had the policies out on us, when the red flag came up, had to go to payment on delivery. So as a lorry drove up I had to get the invoice paid before we could unload.
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Using the credit card will cover goods up to £30K value in a single purchase, why not ask for the frame to be divided into 6 separate invoices covering different sections of the build each less than £30K. Then use a different credit card payment of £100 or more against each invoice.
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I picked a meter with RS485 output and use wireless RS485 adaptors to send the signal to a data logger which also can restrict feed in and turn on loads. The same wireless adaptors cover the RS485 coms with the inverters. So I can spread all my kit all over the property and only have to consider the voltage drop on the AC cables and ignore losses of the RS485 plus it stops lightening surges using long RS485 cables.
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Where is the kWh price heading in 2022?
kommando replied to epsilonGreedy's topic in General Self Build & DIY Discussion
German companies have already made the calculation for the Winter and together with the security of oil tanks full with oil on site will be using diesel generators instead of the grid. But for each 10 Kwh in a litre you do not get 10 Kwh but a lot less say 4 Kwh so that needs to be factored into the calc. -
Look for this type called a Torbeck which I have been using for years with no issues, if I had the one you have then I would have the same issue.
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After seeing how the fibre ducting and cable has just been laid in the local verge then I would also try sucking a pull rope with a cotton wool bundle or plastic bag at the head. Then with a vacuum cleaner pull the rope through and then use the pull rope to pull the pipe through.
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I replaced an asbestos fibrous cement mains by digging it up every 90M, making a hole big enough to work in. We then feed 100M long 25mm plastic pipe with a wooden shaped plug in the end into each 90M section. A small dribble of water in the pipe reduced the friction enough and kept the wooden plug afloat enough so it could be pushed by hand down the full 90m. The ID of the asbestos pipe was 65mm and there were joints every few metres. There were 5 90M sections and it took 2 people 2 days. There had been several bursts over the years so the pipe route was known.
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Where is the kWh price heading in 2022?
kommando replied to epsilonGreedy's topic in General Self Build & DIY Discussion
That's my plan too even if I could go to Feb with what I have. Feb never has good prices and with the refining flows all wrong it will be even worse. -
Where is the kWh price heading in 2022?
kommando replied to epsilonGreedy's topic in General Self Build & DIY Discussion
On Monday I was quoted 79.5p per L for heating oil, or 7.9p per Kwh, the price is currently dropping in line with the oil price coupled with demand for heating oil being low in summer. Regardless of what happens to oil prices once the heating season starts and the Russian heating oil not available then heating oil price margin over the base oil barrel price will increase with possible shortages. This will also be affected by German manufacturers plans to use oil instead of gas where possible over winter. So I plan to fill the tank in the next few weeks once the barrel oil price stabilises. -
Where is the kWh price heading in 2022?
kommando replied to epsilonGreedy's topic in General Self Build & DIY Discussion
The UK has the LNG terminals that Europe currently lacks and there are ships queueing up to off load, any surplus is being fed to Europe via the gaslines. Some of these ships are being turned away so it does make sense to use Rough so these ships can offload instead of being sent elsewhere. A request to allow pressure on the gaslines to Europe to be increased allowing more flow has been requested which would also be beneficial. -
If your inverter is not G98 or G99 approved then you can sit it behind a Mainspro protection relay which is G99 approved, to make the figures work it will need to be second hand and with the 1.6.1 firmware although the ALoMCP upgrade program for commercial sites allows 1.6.0 firmware to be used and the settings altered to match the default 1.6.1 settings. The Mainspro will take over the Grid tie disconnection duties but it must be between the inverter and the incoming supply.
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Alternative broadband supplier questions
kommando replied to ProDave's topic in Networks, AV, Security & Automation
I can only give my route to getting a good service, it may or may not work for you. 1. ADSL via string, 8mbs when dry, nothing when wet and always expecting issues. 2. Stage 1 upgrade, got a dual WAN Draytek 2925 (obsolete due to firewall speed limitation of 300mbs so who cares) for £70 off ebay. This allows you to connect to 2 services and load balance the 2. To a user you do not notice unless you are downloading a a single string file which is very rare today. The 2925 will also allow you to add a phone hotspot as a 3rd WAN. 3. Used the 2925 to line balance the ADSL with 3G hotspot giving some 25mbs. 3. Got a local wireless connection of 25mbs and line balanced it with the ADSL to give 33mbs. The local wireless provider was not really interested once they got you signed up, every time they added a new user the bands clashed so my 25mbs became 10mbs until I rang them. This became a fortnightly call so dropped them for solution 4. 4. To replace the Wifi I got a 4G router with directional antenna and line balanced it with the ADSL, total 60mbs. Signed up with Sipgate and tested the service with a new local number. Once the test showed it could work I then ported my old landline number to Sipgate and this automatically ceased the landline and ADSL. 5. Got a second 4G router with antenna pointed at a different mast and line balanced both 4G's for 120mbs. If one mast goes down the other takes the full load. 6. Fibre is due in next 3 to 4 months, one 4G contract lasts until Sept next year, so will drop one and keep the second as a backup to the fibre and then drop that leaving Fibre as sole link but can always use a phone hotspot if needed. -
As you need hot water all year round but room heating is seasonal then insulate.
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The first fill of water would contain air dissolved in the water, this comes out of solution when the water is heated hence the need for air bleeds in first few weeks. Once this is done then the pressure drops should stop and you can add water to get the right Bar.
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I currently have 2 1500W panel sets feeding 2 SMA SB1200's, all the inverter data is pulled every 10 secs and is held on a Solar-log. This shows on a summer sunny day I get MPPT-peak, eg 1150 to 1200W, messages from 10am to 2pm from both inverters. I get a lot more MPPT-peak messages from the wall mounted array at an adjustable angle and no shading. I can also create a graph laying the daily output by minute by inverter, this confirms what I already knew, ie the first array is set too steep an angle and past 5pm it suffers from shading. In Sept that set of panels will be joining the wall mounted set and should match the better performance, first days figures will tell me. In the last 2 months best days total production was 15KWh, worst was 1.4KWh 2 days ago.
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Wireless RS485 is easily done, I use the EW11 and link 2 SMA inverters to a Solar-log which can now sit anywhere in wifi range without risk of a lightening strike on the inverter taking it out via a cable running outside. My panels are wall mounted in an old sillage pit so well away from the house but no shading and angle can be changed monthly if needed.
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And if some bats come prospecting but do not roost where do you stand then, another summer of surveys. Time for a hidden battery powered sonic bat repellent.
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It's universal, not means tested so you will get it regardless of account balance.
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Starting a 40 year old generator, not ran for 20 years.
kommando replied to ProDave's topic in Boffin's Corner
Drain the tank and the carb before long term storage, the ethanol will attack the carb and tank again as it attracts moisture which promotes corrosion, microbes also have a field day. Modern fuel also contains less of the volatile portion needed by carbs for cold starts as its focused on fuel injected engines, these volatiles disappear out the fuel tank cap breather so by spring the engine will not have enough of the volatiles to start. An easy way to get the volatiles back into stale fuel is to add a dash of thinners and giving a shake of the tank before turning the tap on. -
Rob is on to something, here is a similar issue with competing surplus diversion boxes getting their knickers in a twist. https://community.openenergymonitor.org/t/arduino-based-mk2-pv-diverter-being-resurrected/11713/2 To quote from the thread The user whom I helped had just two systems - I think battery and water heating, and his problem was the two systems oscillated, stealing power from each other alternately. I suggested that he ran the wire feeding his immersion heater backwards through the grid c.t. of the other system, so its current in the main cable was cancelled out. So it knew nothing about the immersion heater, while the immersion PV system saw the battery charger as part of the normal house load, which automatically had priority. That solved the problem.
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Its only been finished since spring but even without the partition it was warm enough to work in but not to sit. I will be adding extra insulation based on how it feels over winter. As the head height is good there is room for a suspended floor with insulation below that so that will be part of the extra insulation. The windows are double glazed and all the joints between the panels are filled with expanding foam or a bead of silicone so its very airtight.
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On mine I have columns separating the inside into 6 bays, I have a wall with sliding doors partitioning off the 2 bays that face North with a window that has a view. But that partitioning can be moved. If you ever need to replace a sheet then the 40mm being the most popular is held in stock, above 40mm needs ordering and in minimum quantities. There are also 0.5 mm thick sheets in plastisol for recovering the outer skin leaving the original sheet underneath.
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If the Spanish supplier is geared up for export then VAT free export should be an option but it must leave the premises and go to a non EU VAT address. So depends on the suppliers setup and you may have to pay VAT twice as HRMC are not interested in EU VAT already being paid.
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I too use oil, with a 15th century property the insulation required for class C would be just too ugly and costly. So as I have the room I have extra storage so I can pick and chose when to buy within reason, Aug Sept is always a good time unless the base Brent crude price is high like it is now. Plus I can trade in Brent futures within my SIPP, so I bought oil during the covid slump and then sold at $90 and banked the profit. This profit will pay for the next 3 years supply at the current 95p per L. The burner on the oil boiler is HVO ready so ASHP is not required for CO2 reduction.
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Radiant heating has its place, in a factory with a scattered workforce it's perfect as you can direct the heat only where it's needed. But the fabric of the building stays cold away from the radiant heated areas.
