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May. 17th, 2025 12:18 am![[personal profile]](https://www.dreamwidth.org/img/silk/identity/user.png){kind=small}
vampwillowBeen longer since my previous post than I'd probably intended but nothing much doing. New inverter installed but only partially doing what I expected so needs investigation. Finally cleared the junk wood off the pod's trailer by judicious use of a circular saw, now waiting for Tuesday when that bin gets emptied so I can cut up the rest. It also means I could possibly try to mow the front grass..
the penultimate conditional syntax
May. 13th, 2025 10:51 pmfanfhttps://dotat.at/@/2025-05-13-if-is.html
About half a year ago I encountered a paper bombastically
titled "the ultimate conditional syntax". It has the
attractive goal of unifying pattern match with boolean if tests,
and its solution is in some ways very nice. But it seems
over-complicated to me, especially for something that's a basic
work-horse of programming.
I couldn't immediately see how to cut it down to manageable proportions, but recently I had an idea. I'll outline it under the "penultimate conditionals" heading below, after reviewing the UCS and explaining my motivation.
( Read more... )
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May. 8th, 2025 01:13 pmvampwillowNew inverter arrived, a little larger than previous one but size acceptable. Now doing lots of pi.r² calculations to determine load capacity for cables to connect everything together.
Outside is very overcast but rain isn't forecast. Not sure which I believe though.
Outside is very overcast but rain isn't forecast. Not sure which I believe though.
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May. 7th, 2025 05:50 pmvampwillowOrdered new inverter but not the one I actually wanted because cost. The better one though had outputs easier to link to existing circuits whereas the one I've got coming doesn't so will get it's warranty voided within minutes of arrival tomorrow morning. I checked the power requirement for the coffee machine (not the only thing I'll be powering but the highest load item) which needs just under six amps (≈1400VA) so an 1800VA model gives me some headroom.
I have to wait until I can weigh the caravan before calculating if I can install a second battery though.
I have to wait until I can weigh the caravan before calculating if I can install a second battery though.
Power to the people
May. 6th, 2025 12:58 pmvampwillowSo the weekend in Market Harborough was 'off grid', without a mains power option, and I failed miserably. I'd miscalculated the fuse for the inverter and the inverter was slightly underpowered anyway to run the coffee machine if it hadn't blown its fuse, so I'm now speccing some replacement options.
One option would be a (petrol or LPG) generator, the other is to upgrade the solar and battery capacity. Both have positives and negatives (pun intended). Only going to sites with an electric hookup isn't a workable option.
One option would be a (petrol or LPG) generator, the other is to upgrade the solar and battery capacity. Both have positives and negatives (pun intended). Only going to sites with an electric hookup isn't a workable option.
1SE for April 2025
May. 4th, 2025 01:34 pmnanilaI rather missed the boat on this one, apologies for its lateness. In my defence, we've mostly not been in the UK for the past two weeks.
April starts off quite domestic with lots of cat clips, and finishes in central Europe with lots of adventure clips. We travelled from [home] to Vienna, Austria via nine different trains, one of which morphed into a German rail replacement bus services which turned out to be terribly civilised.