An Eccentric Anomaly: Houses

Ed Davies's Blog


Pages tagged: Houses

House construction, energy efficiency, etc

April and May

Since my previous house post at the end of March I've basically done another room's worth of roof sheeting on the south roof and put up most of the joists needed for the ceiling above the main bedroom at the east end of the house.

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Incipient FTTP

Surprisingly, it looks like there will be fibre-to-the-premises available at my house site pretty soon.

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2022 So Far

The weather up this end of the island this winter has mostly not been too bad. It's not been particularly cold or wet with only a few short groups of days with a cm or so of snow lying and the unusually strong wind storms have all passed us by to the south. It has, however, been persistently a bit windy so I've only really got going in the last week or so which has had some lovely weather (which has, sadly, come to an end for now).

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AC Coupling

Most off-grid houses (and small boats) use DC coupling for the electrical system where power sources (PV panels, wind or water turbines, alternators, generators, etc) feed DC electricity to the battery via a charge controller. The DC from the battery is then either used as such or converted via an inverter to AC at normal household voltages for use.

A few, though, use AC coupling where the power sources feed their output as AC into the “mains” wiring to form a sort of mini-grid with the power flowing in and out of the batteries via an appropriate inverter which also acts as a charger.

I'd assumed I'd just use DC coupling for my house but I'm gradually coming round to the idea of using mostly AC coupling. I'm not really clear about some of the details so here's a snapshot of my thinking to help make things a bit more concrete.

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Hibernation

After having spent the second half of December at home busy recovering from Covid or whatever it was, I've more-or-less continued the theme this year. So far I've only been out six times.

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North Roof Done

Finally, I've finished the north roof.

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North Roof

As previously mentioned I've been interleaving work on the north and south roofs, mostly as the wind indicated. I don't seem to have many pictures for the north roof but here's a quick summary anyway.

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Corrugated Roof Sheets Round Velux Windows

After I abandoned my first attempt at fitting the roof sheets under the south-roof Velux windows it took me most of September to come up with an alternative plan I was not too unhappy with.

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September

September was mostly about how to do the roof sheeting round the Veluxes on the south roof.

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August

I can get depressed any time but I do seem to have a tendency to do so more at the end of August and the beginning of September. I'm not sure why, really, but think it's at least partly a matter of accumulated sleep deficit caused by short nights. Last year it was hardly noticeable but this year it really clonked me on the back of the head.

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