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Ronaldo47's Achievements



  1. I think that Chelmer Cruises at Paper Mill Lock on the Chelmer & Blackwater Navigation do boat hire for parties.
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  4. At an open day at the water treatmrent plant of our pre-privatisation water company, I had a chat with one of the managers. He said that he saw no real advantage in water meters as they increased their overhead costs by having to set up a record system and employ more people to run it. Their running costs were essentially fixed, as the cost of treating the water (which was free, and not in short supply in Essex) were negligible compared to the cost of the fixed plant, maintenance, and wages. They knew in advance how much money they would need for the year, set the water rates accordingly based on the rateable value of each property, and collected the money from customers with no need to measure their individual consumption. If they charged water by the litre, and everyone (say) halved their consumption, the consequence would be that they would have to double the price per litre the following year to cover their costs, which were essentially independent of how much water they supplied. They were a statutory not-for-profit company that was not allowed to make a profit, unlike its post-privatisation replacement. Essex was possibly a special case, as in areas where water is in short supply, metering can be used to control demand. My water company seems to have been unusual in not charging extra for an external tap per se, only for a sprinkler not held in the hand: all the d.i.y books I consulted when I got my first house many decades ago, explicitly mentioned the need to inform your water company and pay extra water rates when fitting an outside tap.
  5. It was mentioned on the radio yesterday that low reservoir levels mean that the hosepipe bans currently in force in parts of the North are likely to remain in force until the new year.
  6. This knot is called "Highwayman's Cutaway" in Colin Jarman and Bill Bevis' book "Modern Rope Seamanship". When, as a schoolboy in the 1950's, I learned that, and other, knots from a page on knots in a scouting diary, they called it something like "Billy the Kid's knot". 1950's schoolboys were very into cowboys and the Wild West!
  7. In the 1970's there used to be a long-gone shop in Forest Gate, East London, whose shop front bore the intriguing name "The Electric Boot Company". When I looked it up in the phone book to show a friend I was not making it up, I found the name was short for "The Electric Boot and Shoe Repair Company", presumably too long to fit. I did take a photo, but it was early evening and the colour slide turned out rather dark. Still got it somewhere.
  8. On my first canal holiday in 1976, one of the boats we hired that had elsan loos, was provided with a spade, which was to be used to dig a hole at a convenient towpath-side location if no emptying facilities were available. Due to the severely-restricted lock opening hours of that year's drought, and stuck in a pound with no facilities, we had to do so mid-week. Let's hope those days don't return.
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  11. That was my experience with the fine thread fittings too, I'm glad it wasn't just me!
  12. The nearest standard pipe thread in my screw thread book is 3/8" BSP, which is 19 TPI and as a taper thread, a diameter going from 0.5886" to 0.6560" . The closest American NPT thread (3/8") has 18 TPI and a diameter of around 0.612" to 0.627". But, as noted above, there is no pressing need for standardisation of the threads for the nuts of compression fittings. In the 1970's when I was installing my own central heating, the two main brands of compression fittings for 15mm and larger pipes were Conex and Prestex. One (Conex I think) used the standard BSP thread for its compression nuts, while the other used a significantly finer thread, and builders' merchants used to stock spare nuts for both brands. Nowadays everyone seems to use the BSP threads.
  13. I used to check the Ah capacity of the lead-acd batteries I used to use in my camper van by firstly fully charging, and then discharging at about 4.5A through an old car headlamp bulb to 10.8V volts, and then immediatrly re-charging. I used to take voltage readings at regular intervals and plot them on graph paper. It is time-consuming though. At the start, every 15 mins was adequate, as it was only towards the end that more frequent readings were required to prevent discharge lower than 10.8V. I did later knock up a simple, non-electronic, circuit using a couple of 12V relays and a variable resistor, that would automatically switch from discharge to charge at the 10.8V point.
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  15. Secret nailing is a term of the art. In one methid, the wood edges are rebated in the manner of shiplap planking rather than tongue and groove, and nailed through the tongues so that the nail heads are covered by the salient tongues of the next plank.
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