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seymour sunshine

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About seymour sunshine

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    Advanced Member
  • Birthday 17/02/1952

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  1. seymour sunshine

    Traditional Cleaning Without Ladders

    Sorry to bang on about this, but you don't need to buy an RO system to get pure water. You can use rainwater. It's not 000 ppm, but it's good enough collected off a fairly clean roof. You can build yourself a trolley system for just over £100. Another £100 will get you a Harris pole and brush plus water fitting and hose. Say another £50 for a rainwater collection system and storage and you're in business. It'll get you started and earning straight away.
  2. Yes, I had exactly that problem. I'd imagined that the valve would allow flow in but not out unless a male was connected. In fact, using a waterstop connection on the high-pressure side completely closes the valve. It took me quite a while to sus that one out. If I'd had any hair left. I would have torn it out.
  3. seymour sunshine

    Machine not working.

    Glad you got it sorted. It's often the simplest things that cause the problems.
  4. seymour sunshine

    Heavy Rain Marks on glass

    As it's a white stain, it's lead carbonate (PbCO3) formed when the lead oxide reacts with the weak acid formed when carbon dioxide dissolves in rainwater forming carbonic acid. The lead carbonate is insoluble in water and alcohol. It is slightly soluble in acids and alkalis. This website discusses exactly the issue here and near the bottom down there's a respondent who used Cilit Bang complete with before and after photos. Another had success with Hob Brite. One respondent successfully used concentrated HCl, but I wouldn't go down that route: (a) it's a very dangerous chemical and (ii) the end product lead chloride itself is only weakly soluble in water. http://www.scienceforums.net/topic/41135-cleaning-stains-on-glass/ Personally, I'd avoid the job as I wouldn't want to be getting up close and personal with a conny roof.
  5. seymour sunshine

    Portable water fed system

  6. seymour sunshine

    Portable water fed system

    Glad to have shed a little light. The great thing about buying this is that you get pretty much everything you need. You can have it delivered one morning and, after cleaning your own windows a few times, be earning money that afternoon. The only thing I added was a small rucksack with a few cloths, a screwdriver and a couple of tools to do any minor fixes. I wear a fisherman's' waistcoat with my notebook, wallet (with a few business cards) and mobile phone in the pockets. And that's it. No messing about and everything ready to hand. You'll soon get your own system sorted. Welcome to the wonderful world of being a window cleaner. By the time Spring comes, you'll have a pretty full customer list and be earning decent money and having lots of fun doing it.
  7. seymour sunshine

    Portable water fed system

    Yes. I started with a Pure Freedom trolley plus an RO/DI unit from them as a starter package. Just add a few 25-litre drums and you're in business. Pretty much any trolley system will get you started, or even a backpack. There are plenty of people who will advise you to buy/build a van system, and there are certainly advantages to going this route. It's a lot less time messing about setting up and packing up so you can do more work much faster. But a mobile trolley system will get you started and earning a bit. You can even build your own trolley system. Personally, I think it's better to spend the 3 or 4 days needed to build a system in going out and looking for/doing window cleaning work. It all depends on (i) your available money and (ii) your manual skill set. There are 2 approaches: 1 - Take your time, think it all through and do meticulous planning. Don't start work until everything is perfect. 2 - Get out there and get work straight away. I would recommend buying a complete trolley system and starting work the next day. But there are others who will make other recommendations. You'll get lots of help on here. We don't always agree about everything ... but that's a great advantage as you'll be able to pick and choose between the various ideas.
  8. seymour sunshine

    DIY rinse bar with flocked brush

    Good! Interesting video. So how did it work out? Problem with today was that none of the windows had dried by the time I left! Not that I'm fast ... I'm anything but fast!. It was the dampness and mist in the air. Can you tell us where you got the rinse bar from?
  9. seymour sunshine

    Insulating a tank in the winter

    How about using something like this? https://www.amazon.co.uk/New-Launch-Discount-2017-Multi-Purpose/dp/B01M13Z8RI/ref=sr_1_12?ie=UTF8&qid=1513384136&sr=8-12&keywords=space+blanket I'm guessing that you could cut it into sections to wrap around the tank and secure it with a good-quality duct tape. Remember to insulate the underside as well. An immersion heater would work very well; possibly too well and get the water hotter than you need it to be. There are some other threads on here about immersion heaters.
  10. seymour sunshine

    Tubular Frost Heater

    I think that tubular heaters are convectors rather than radiators, so maybe most efficient to mount it below the tank if possible. Otherwise, low down and very near the tank. I'd agree about insulating the van, but more important is to make sure that (i) the expensive heat that you're putting in goes into the water, pump and RO plus filters to prevent freezing and (ii) you're losing as little heat from them as possible, so they should be protected somehow. I've written about this elsewhere, but your van radiates heat away into the night sky at an alarming rate. That's why using space heaters inside a van is such an inefficient way of doing things; you're throwing most of the heat away into the night sky. If you are going to use a space heater, can you rig up some kind of tent so that there is plenty of air to circulate around the things you want to protect ... so you create a volume of warm micro-climate inside the van. Rather do this than try to heat up the whole volume which is very wasteful since it loses so much heat to the outside.
  11. seymour sunshine

    one for the electrical gurus, would this work?

    Sorry. Completely outside my sphere of knowledge. My initial thoughts are: Using an inverter to drive a mains charger to charge a battery seems to me to be introducing too much complication into the system. And every time you introduce a device, you're losing energy since nothing is 100% efficient, so you'll certainly be drawing a higher current than you're charging the battery with.
  12. seymour sunshine

    Battery and Pump Advice Please

    OK. Here's a bit more physics for you ... 1 coulomb is about 6 240 000 000 000 000 000 electrons. milli means one thousandth micro means one millionth nano means one billionth (i.e. one thousand millionth) the next smallest are pico and femto each of which is one thousandth smaller still. deci means one tenth, but it's hardly ever used today. The only place I can think of is in decibels. The unit of sound intensity is the bel, but it's inconveniently large, so we use decibels instead. In ordinary electrical conductors, electrons don't jump from one atom to the next; they sort of drift. The inside of a conductor consists of a crystal of ions with their conduction electrons forming what is frequently referred to as a sea of electrons. If you think of a wire like a tube with electrons trapped in it, you're getting there. In semiconductors, the electrons do actually jump from one atom to the next. Where in Africa were you? I taught in Sudan, Tunisia and Libya. And, yes, life's greatest joy is learning new stuff. I'm loving this forum learning all sorts of stuff I never knew about pure water, soft washing chemicals etc. There's a wonderful bunch of guys on here all willing to help each other out and seek help when needed. Learning isn't about school. Learning is about life.
  13. seymour sunshine

    Is a fan heater safe for use in van?

    It's probably more energy efficient to direct the fan heater directly at the tank, but from a distance of at least a couple of feet. Fan heaters need to "breathe" easily or they can overheat. I know this to my cost! (I caused a fire many years ago using a fan heater too close to my clothes I was trying to dry. They did dry, though!) Probably best to use it for a couple of hours like that and insulate the tank. Even a few layers of newspaper give quite good insulation.
  14. seymour sunshine

    Battery and Pump Advice Please

    Yes. A litre of water is a certain number of molecules of H2O. A coulomb of electricity is a certain number of electrons. They are precisely the same idea. The flow rate is measured in litres per minute; current is measured in coulombs per second. Again, exactly the same idea. So, to answer The Cleaning King's question directly: No, there is no need to upgrade your pump. A larger battery has exactly the same voltage as a smaller battery. It stores more energy and so can do more work, but the voltage and current drawn are exactly the same.
  15. seymour sunshine

    Battery and Pump Advice Please

    It used to be my job. I'm a retired maths and physics high school teacher! Now cleaning windows and happier than I ever was teaching.

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