Plumbing the depths

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I don’t usually wake up and think “Perhaps I’ll do some plumbing today”. But this morning the decision was taken out of my hands, what with the water cascading down the side of the house and all. I had a pretty good idea what the problem was, and a trip into the loft confirmed it. The float valve on the water tank had failed. The split pin that holds the ball cock had rusted through and the whole assembly had broken free, leading the valve to fill the tank forever. The good news was that the overflow was working perfectly, and all the excess water was being directed out of the house. The bad news was that I had to fix it.

I’ve been here before, around twenty years ago when pretty much the same thing happened. That time I didn’t have the luxury of a tap to turn off the water supply. Well, actually I did have a tap, it’s just that when I turned it the top came off in my hand. On that occasion (and I’m rather proud of this) I came home from work in my lunch hour, turned on all the cold-water taps, flushed the toilets and then managed to swap the broken assembly while the water pressure was reduced. I hardly made any mess. Then I ate a bag of crisps and went back to work. But of course, I was much younger then.

Today I turned the water off and then headed off to ToolStation to get a replacement (£7.98). Fun fact. If you search for ToolStation the first hit you get is for ScrewFix. And if you search for ScrewFix the first hit you get is ToolStation.

ScrewFix and ToolStation are competing building supply companies in the UK. In Hull their depots are actually next to each other. I have this idea that on Christmas Eve, when all is peace and goodwill, the staff from the two depots meet in the car park for a football match while someone plays the mouth organ and all talk is of “When will this war all be over….”. But I digress.

The fixing process was actually quite painless. Fortunately I’ve kept my big spanners. For me the worst part was seeing the corroded and aged part and remembering back to when I fitted it as a brand new shiny one. I don’t think I’ll be replacing this the next time it wears out.

Anyhoo, we now have running water in all the right places.

I found this awesome sticker on my toolbox…

Loft Computing

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My loft is now officially the place that things to to break. As part of the “digital back kissing frogs project” today I had a need for a computer running Windows XP. “No problem” I thought. “I’ve got one in the loft”. Well, that was true - sort of. I have a computer up there which I last used around 20 years ago. Unfortunately it doesn’t work. I set it up in the loft and got the result you see above.

Once it got as far as the Windows XP loading screen before collapsing with the blue screen of death. So it is now staying in the loft pending a trip to the tip. This is probably a blessing in disguise though, as I’m not completely sure I remember the login password……

Coffee Tasting Fun

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Tasting in progress

I’m not really a coffee connoisseur. I can work up strong feelings about films and lenses, but not coffee. However, today I took part in a coffee tasting event and it was great fun. It was organised and presented by James Hoffmann from the Decaff Project. Number one son set it up. He ordered the packs of coffee beans which contained “fully caffeinated” beans and three others which had had their caffeine removed by different processes. Then, at 3:00 pm today we sat down and watched a live broadcast of the tasting process, had a go ourselves and filled in our notes. The aim was to determine whether taking caffeine out of coffee also removes all the flavour, and whether the caffeine removal process used makes a difference.

The results were interesting, at least for me. Two things stood out. Firstly, I think that my palette needs a bit of work. I could tell the difference between the samples, but not well enough to be able to reliably identify a particular one. Secondly, I think that decaf coffee is not a second class citizen where flavour is concerned. I would enjoy a decaf blend as much as the “proper coffee”.

It would be nice to think that decaf will end up a “first class citizen” where coffee is concerned, rather than the blend that they add on the end of the list to satisfy those who would prefer to avoid the caffeine hit.

Enter the blind man

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We had a blind man come to see us today. Which sounds a bit like a contradiction in terms, but actually he was hanging some vertical blinds. Up until now I’ve hung all the binds in the house myself but this time I thought I’d let someone else take the strain and responsibility of drilling three holes in a line and then fitting some clips into them. The good news is that all went well, although apparently I’ve been hanging blinds in the wrong way for the last twenty years. Oh well.

Rob's Ten Minute Rule

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I’ve invented “Rob’s Ten Minute Rule”. It goes like this: “It is often worth spending ten minutes on something that you are not sure about”. In ten minutes of searching and chatting with ChatGPT you can usually find out if something is a good idea or not. If it looks promising you can spend another ten minutes (or maybe even more) pursuing it. If it doesn’t work you walk away from the idea only having lost ten minutes of your life.

Farewell Mike

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A sad day today. I went to the funeral of Mike Brayshaw. I worked with Mike for quite a few years. He was a wonderful fellow who wore his deep knowledge very lightly and worked tirelessly to educate and support students and the university. I’ve got great memories of loading Raspberry Pi devices into his car and driving off to a conference. There is a lovely in-memorium here.

Farewell Mike, a great person taken far too soon.

The Boiler Detective

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This is almost exactly how it looked

On Monday mornings our boiler stops working. How does it know? Has it been programmed to make the worst day of the week a little bit worse by making the house cold? I’ve tried asking for help with it, but once reset it seems to come back to life. The fault code is as enigmatic as the sphinx. And it is hard to mend something that isn’t broken. The worst kind of bug.

Anyhoo, I’ve figured it out. It turns out that Sunday night in our house is also “have a soak in the bath” night. The rest of the week we have speedy showers, but on Sunday a hot tub is in order. And the bathtub and the boiler share the same downpipe. When the bath is emptied the huge surge of water overwhelms the pipe and causes the to back up into the condensation drain for the boiler. The boiler doesn’t like this, and shuts down. And we wake up cold on Monday morning.

I’m going to get the plumbing looked at when the boiler is serviced. We are still going to have baths, but I’m tempted to 3D print a flow limiter to put in the plug hole so that the bath drains more slowly.

Snowed In

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It even has the helecopter

They say that one of the best ways to give the gods a good laugh is to make long term plans. Well, we had made long term plans for today. These involved a trip to Harrogate, a nice meal out and a visit to, wait for it, a camera shop (and the Knitting and Stitching Show for others in the party). But then the snow came, followed by the weather warnings, followed by the traffic alerts. So we stayed home. Wah.

But we didn’t let that beat us. Turns out that you can buy Lego at Barkers, which is just a quick walk from our house. And it is right next to a lovely coffee shop. So it was out for a coffee, pick up the Lego Mars Rover that I’ve been coveting for months, and then back home to build it. It’s a lovely model with a really clever steering action. Then we went out for tea. It wasn’t the nice day we we’d planned, but it was very nice nonetheless.

Even Brokener

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the black thing at the bottom is a big capacitor for the flash.

We thought we’d have a look at one of my broken Nikon cameras today. The good news is that the back came off without too much hassle (once we found the screws behind the viewfinder surround). The bad news is that the picture above shows what you see next. The service manual now says you have to unsolder some of the ribbon cables and remove the rear circuit board. We are presently summoning up the courage to do this…

Learning the Data Protection Act - and Fixing the World

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I’m in the process of re-becoming a member of staff at Hull University. Things have changed a bit since I started. For one of the jobs I started back in the day the induction consisted of “Welcome to the department Rob. You’re giving the second year networking course. It starts next term”. Actually, I may be being a little unfair here. I think I did get sent on a DEC VMS system management course too.

Anyhoo, nowadays employers are much keener to make sure you know stuff. I’ve had to do seven training courses about things I thought I knew everything about but it turned out I didn’t. Today I did my Data Protection training. I knew a bit already, but what impressed me about this stuff was that people have sat down and thought about the implications of data breaches and what constitutes good behaviour by those holding data. Then they’ve made some sensible, enforceable, rules.

Now, if we can only make it illegal for companies to collect data about us when we publish things, and illegal use collected data to recommend other things, we might be on our way out of our current mess…..

Halloween

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If you want an insight into how nice people are, just go “Trick or Treating” near way we live (it probably helps to go on the 31st October). We had a fantastic walk around the neighbourhood. The weather was lovely, lots of folks had really gone to town on their houses and there were families wandering around dressed as skeletons and all sorts. And we got home with a bucket full of goodies. Great fun. And just a bit scary. Especially one particular doorbell……