Tech Wizards
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Barry last won the day on August 17

Barry had the most liked content!


About Barry

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  • Birthday 02/17/1983

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    is in boxes in the UK
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  1. Zinc-Air batteries

    With the regards to overnight storage of electricity generated from solar, Tesla are currently building the worlds largest lithium ion battery, 130 MWh iirc, for a wind farm in Australia. Wether this will be used for long term storage or like a giant capacitor to balance things out, I'm not sure, but it does show that we are moving in the right direction. Obviously though, it will not be possible to build thousands of giant lithium ion batteries due to the limited supply of lithium and the impact on the environment. Maybe Zinc-air will become a viable solution? There is also the option of building huge salt water batteries. Salt water is something we're not short of.
  2. Xbox360 games for sale

    I have some Xbox360 games for sale. 45dhs per item or will consider swap for any version of Guitar Hero with controllers Grand Theft Auto 5 Call of Duty Ghosts Call of Duty Black Ops Watch Dogs Call of Duty Modern Warfare 3 Forza Motorsport 4 Ghost Recon Advanced Warfighter If anyone wants to buy all games, I will throw in 5 days Xbox live membership free.
  3. Screenwash in engine oil

    Eek I hate doing cooling system flushes. It's simple but time consuming and customers know it's simple so they expect it to be cheap and argue when it's not but what they don't realize is that it can take you a full day of messing about between doing other jobs, filling it, bleeding it, running it up to temperature, draining it, scalding your wrists in the process and doing it all over again 5-6 times.
  4. Zinc-Air batteries

    Building new power stations is an issue but what's more of an issue is what's being used to fuel the power station which is mainly fossil fuels, i.e. coal, oil and gas which have limited supplies and as the supplies dwindle, the cost will go up. Some stations are using semi renewables such as willow but even that isn't a proper solution as growing it takes up a lot of land. We're a long way off nuclear being a safe option, look at Chernobyl, Sellafield, Three Mile Island, Fukushima, it takes very little for things to go wrong very quickly and when it goes wrong it really goes wrong. I think it was only last year that the sheep on a mountain in Ireland, thousands of miles away from Chernobyl got passed for human consumption due to fallout. The real solution is all around us. It's the wind, water, sun. All completely renewable and all completely free. I still can't understand why the UAE is using gas and working on nuclear plants when there is a vast expanse of desert that could be planted with solar panels. These particular methods, wind, water, solar aren't like building a traditional power plant. You can install the units one by one and hook them up to the grid as you go along and add more to increase capacity as and when required.
  5. Zinc-Air batteries

    We all know the Achilles heel of electric cars is and has always been the batteries. They're heavy and they don't last long enough. Scientists in Australia are now working on Zinc-Air batteries as a viable replacement for current Lithium Ion batteries. They are lighter, cheaper and have the potential to store 5 times more power than Lithium Ion. They also claim to be more environmentally friendly. The problem with them is that recharging is difficult because of the lack of suitable electrocatalysts to reduce and generate oxygen during the discharging and charging of a battery. These rather smart Australians have come up with a solution using bifunctional electrocatalysts to enable the discharge/recharge process. As it's still early days, the technology is not without its problems. After 60 120 hour cycles, the batteries lose 10% of their efficacy. So while not an immediate solution, this technology is definitely one to watch out for in the future. Like it or not, electric cars are here to stay.
  6. Screenwash in engine oil

    I know a guy who was working on a building site in Ireland. Not the smartest guy. The dumper was low on diesel so the foreman told him to go and fill it. After 30 minutes, he still hadn't come back so the foreman went to look for him. As he went around the corner, he saw the dumper coming down the road with diesel splashing over the sides of the skip. He literally filled the dumper with diesel.
  7. Screenwash in engine oil

    Where do you even start to clean that mess? I guess the only thing you can do is take the engine out, put it on a stand, strip it to the bare block and start with a gallon of paraffin. I'd imagine there will be clearance issues when you're putting it all back together though.
  8. Screenwash in engine oil

    On the plus side, it will mute a rattly timing chain.
  9. Cats eyes to be renamed

    The story is that a guy was driving home late at night and it was extremely foggy. On a bad corner he saw the reflection of the eyes of a cat sitting on the wall and realized there was a corner and made it round the corner safely instead of plunging down a ravine. He then went home and invented what we know today as cats eyes. And that's how they got their name.
  10. Some tourists are having issues with the name "cats eyes" in the U.K. and believe the British are actually removing the eyes of cats along the road so they are now being renamed road studs.
  11. Ever wonder what would happen if you put 5 litres of screenwash in the oil filler cap then drove the car?
  12. As a mechanic, I will choose an inline engine because it's easier to work on. Ever had to lift a boxer off its mounts to change spark plugs? Or remove the engine completely just to do head work? As a driver, I'll choose the boxer. The lower center of gravity makes for good handling characteristics. Unless you're driving a 911 where the manufacturer still thinks it's a good idea to hang the engine out behind the rear wheels. But you could point out the same with Audi who hang their inline engines out over the front wheels.
  13. Cheap sand tyres!

    Photobucket changed their policy a few weeks ago. Can't hotlink now unless you're a paid up member. Nail in the coffin methinks.
  14. Sorry I missed you guys. Was supposed to go but I ended up working an 18 hour shift instead. Glad you all had a great time!