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  1. Replies
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    Re: Portable Lithium Box

    Well that makes sense. You have to sell your body to be able to buy their tools. ;D
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    Re: Planes take strange routes ?

    Dodging weather. .?
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    Re: How will you bend a 22mm alu pipe.

    Make yourself wooden plugs to seal the ends of the tube.

    Pack tube TIGHTLY with sand. River sand.

    Heat bend area with a gas fire. A CADAC type cooker works well.

    Bend a little. Heat. Bend....
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    Re: Portable Lithium Box

    Problems like the above send cold shivers up my spine, and are why I am rather against Mains Inverters in portable systems. With these systems, the whole concept of L - E - N flies out the door. Both...
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    Re: Portable Lithium Box

    This is DANGEROUS territory. VERY.

    If the battery box is going to be used in a vehicle or a trailer/camper, in other words mobile. DO NOT CONNECT any of the two 230V AC outputs to anything. No...
  6. Re: Mecer Inverter - 8 Batteries - Real World Figures

    What confuses me is why are your batteries are dying. Also what are you trying to achieve with the Solar panels.

    Your system should be set to never use the batteries unless there is a power...
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    Re: Lithium vs Lead Acid

    Quite correct.

    There is an interesting story about Tesla cars and hurricane Katrina that devastated New Orleans. Apparently Tesla cars are programmed to only use a portion of the batteries...
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    Re: Medical oxygen tanks

    My guess is that the impurities will probably be other gasses/chemicals used in the plant. So things like acetylene, etc.

    If it was a choice between trying or dying I know what I would choose.
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    Re: Medical oxygen tanks

    Thanks, Yep, that's the one. While the clot was in her lungs her heart was damaged due to overwork.

    And lo and behold - guess what medication she is on . Viagra. Five years later and her heart has...
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    Re: Medical oxygen tanks

    My wife suffered a pulmonary aneurism. We have an Afrox oxygen concentrator in the main bedroom, and I bought a quality portable concentrator which stays downstairs and we take it with when we go...
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    Re: What's your Biggest pet peeve?

    When I cant find my welding rods when I need to fix my wheelbarrow.>:D
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    Re: What's your Biggest pet peeve?

    In a public toilet nogal.
  13. Replies
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    Re: Lithium vs Lead Acid

    It's these aspects that make a little hesitant about general usage of aftermarket DIY Lithium based system.

    For the vast majority it is go big or go home. (Buy decent proven commercial products...
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    Re: Lithium vs Lead Acid

    My opinion, for what it is worth.

    If you have to start manually worrying about and managing individual cells.

    The benefits aren't worth the bother or risk.
    The technology you are using is not...
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    Re: Gwm p series 4x4 LT

    Well, this afternoon there was a brand new white P Series double cab parked in my driveway. My son in law has just taken delivery.

    Bottom of the range 4x2 contractors vehicle.

    Must say, it's...
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    Re: Gwm p series 4x4 LT

    Triton is a manual. GWM is a 8 speed ZF auto.
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    Re: Not the best day for the D4s

    Yes, rather replace the car than live with a complex machine that has been rebuilt.
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    Re: Not the best day for the D4s

    Aw, don't fret, Koebelwagen told me where to get a CZ 550 Safari Magnum in .458

    On second thoughts, a B/B gun will do.
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    Re: Not the best day for the D4s

    I would have shot the taxi driver. >:D;)
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    Re: Fiat 124/128 Gearbox Wanted

    Pity, I suspect the 5 speed boxes may be more available.
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    Re: Fiat 124/128 Gearbox Wanted

    The 124ST was also 5 speed.

    Was my first car. Was also one of the first commonly available cars in SA with 5 Speed, DOHC, Disk brakes on all four wheels.
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    Re: Charge Controller Fubar?

    The only time it will indicate 20V on the charger is when there is no battery, or the battery is 100% charged, AND there is no load drawing current.
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    Re: Rangie v8 Supercharged or Diesel?

    Look at my signature. Both current in daily use.

    TDV8 open road, 10-11 l/100km - around town 14-16 l/100km

    SCV8 5.0 open road, best 12l/100km, normal about 14l/110km, around town, best about...
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    Re: Charge Controller Fubar?

    It is working exactly as it should.

    When you measure the Solar Panel voltage with the solar wire removed you are measuring the panels Open Circuit (OC) voltage. The moment you connect the panel...
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    Re: Impressed with China Pure Sine Wave Inverter

    There is a big difference between a domestic DB board and an industrial control panel.

    SANS 10142 Part 1 (Wiring of Premises - Low Voltage installations) requires that all Low Voltage Switch Gear...
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    Re: Impressed with China Pure Sine Wave Inverter

    Really dunno.

    Some problems I see. No indicator of status/switch position. Breaks the rule of top connections are input, bottom connections are output. No SABS/SANS approval.

    IMPORTANT- no icu...
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    Re: Impressed with China Pure Sine Wave Inverter

    That is an excellent device for smaller "wired" solutions.

    Unfortunately it isn't Din Rail Mount, which makes for a rather messy installation in a DB. It may also be "illegal" to install in a DB.
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    Re: Impressed with China Pure Sine Wave Inverter

    Perfect.

    Now automate you changeover using the electrically operated contactor version.:D

    Hagar Part No. ESC 442
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    Re: Impressed with China Pure Sine Wave Inverter

    Exactly. I would kinda assume and switch masquerading as a mains change over would be the right configuration, but I would make double sure with a relay.
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    Re: Impressed with China Pure Sine Wave Inverter

    Donít bother switching the Earth. Just common it to all three.

    Be carefull with the changeover switch, try and do changeover with no power on.
  31. Thread: Blower motor

    by Fluffy
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    Re: Blower motor

    Much more likely to be brushes than faulty armature.
  32. Re: New Broco.... reason to get excited I think

    That was amazing. Thanks.
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    Re: Eskom Power Failure Strandfontein Campsite

    I think one would have to differentiate between a low voltage cutout, and cutting out because of low voltage. Similar outcome, but very different cause.

    Same concept as a motor running out of revs...
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    Re: Deep cycle battery advice

    Without a doubt, there are a good few true deep cycles on the market. Virtually every manufacturer has at least one.

    However, the market is screwed up by a great many borderline technologies and...
  35. Thread: Inverters

    by Fluffy
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    Re: Inverters

    Not easy as far as I can see.

    More importantly, illegal, even with a fancy automatic contactor to switch circuits. Any switch system would need to be designed by an engineer and certified, which...
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