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  1. Replies
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    Re: Solar System for Home ( yet another :)

    Itís a bit like the argument for and against 4x4 or mud terrain tyres. You might only need or use them 5% of the time, but boy one ten meter patch of mud in the middle of nowhere can ruin a ten...
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    Re: Generator/ATS information

    I would suggest that you get somebody who knows what to do to help here. It's actually a bit too complex to explain in this environment.

    Firstly there is the actual Stop Start control signal. The...
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    Re: The EPIC River Trip 2020

    Unfortunately I too will not be able to make it.

    At our age and with my wifes lung conditions we just cant take that chance.

    Enjoy.
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    Re: Power Consumption Calculator

    Keep in mind that many of these calculators are from the USA which has 110 V. You canít draw 2000W from a domestic wall socket at 110V

    This is a MAJOR problem for appliances like Coffee Machines,...
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    Re: Resistor for LED light upgrade?

    Or just wire in an indicator bulb and leave it taped to something under the bonnet.
  6. Re: How often are camping environment batteries thrown away prematurely?

    The 7AH batteries are worth there weight in gold in a workshop. In fact they are worth more dead than alive.

    Nothing makes a more compact - heavy - flat surfaced - non scratch surface - easy to...
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    Re: AGM Battery usage as a second battery.

    I think its more about emissions.

    A queue of cars 10 kilometers long idling for 20 minutes isn't good for the environment. (Just a tiny section of the Gauteng N1 Toll)

    Now multiply that out by...
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    Re: Your Lockdown Projects

    Thread is also printed.

    What if I started a "Let's learn 3D drawing" thread and we all have a draw-a-long together. (something similar to a sing-a-long but on a computer)


    I promise in two...
  9. Replies
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    Re: 4 Cylinder vs 6 & 8 Cylinders

    Lets just put it this way.

    It puts a whole new meaning to the phrase "blow job".
  10. Replies
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    Re: Your Lockdown Projects

    These are the parts for the vise. Handles and even Nuts and Threaded washers and large knobs all made on 3D printer. (ie large bolt with no flat edges)

    And for the skeptical a 14mm thread plastic...
  11. Thread: DC fires

    by Fluffy
    Replies
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    1,174

    Re: DC fires

    Have a look at the wiring loom of a Jet Fighter, or a Satellite, or a Nuclear Power Station or a Vacuum Cleaner or a Laptop. Not one solder joint on a wire in sight.

    Solder is for PCB's. Solder...
  12. Thread: DC fires

    by Fluffy
    Replies
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    1,174

    Re: DC fires

    I'm not sure that is even allowed. ?
  13. Thread: DC fires

    by Fluffy
    Replies
    14
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    1,174

    Re: DC fires

    Nope, those are fires caused by DC arc's on broken insulation and poor connections.

    Many professional installations have the inverters mounted outside in the elements. Usually close to the Solar...
  14. Thread: DC fires

    by Fluffy
    Replies
    14
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    1,174

    Re: DC fires

    Soldered connections are the worse kind.
  15. Replies
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    Re: Your Lockdown Projects

    Here we go. Moxon wood vise. The weekends project.

    Wood is White French Oak. Hardwood so dense you treat it as steel. Cant use most woodworking tools without great care.
    Other components made...
  16. Replies
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    Re: Fuel gauge voltage question

    The constant current source link was to give the reader an understanding of current source as apposed to a voltage source.

    The gauge is most definitely not a CONSTANT current source or part of...
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    Re: Fuel gauge voltage question

    This is very difficult electrical theory territory.

    Resistance, voltage and current are tightly related.

    The fuel gauge is not a voltage indicator, the presumption being that the changing...
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    128,541

    Re: Your Lockdown Projects

    Lovely. I'll trade you some castor wheels for some kiaat. ;D

    And I thought I was proud of my Moxon wood vise I made over the weekend. :cool:
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    Re: Impressed with China Pure Sine Wave Inverter

    I think the start up voltage refers to the battery side of the controller, not the Solar input. I have the same controller on my car keep alive panel.
  20. Replies
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    Re: Impressed with China Pure Sine Wave Inverter

    err, clear Cold conditions. Which is why it is a bit of a con for camping in SA conditions.
  21. Replies
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    Re: Maximising the efficiency of a solar system

    Right, if you look at the graph it is easy to see that the solar is capable of generating more power than it is when the geyser is on. In other words there are points outside of the 10 - 12 window...
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    Re: Maximising the efficiency of a solar system

    What system do you have. Between 10.00 and 12.00 your Solar generation is being throttled. You are throwing energy away deluxe.
  23. Replies
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    Re: Solar & "Partly Cloudy"

    At what altitude. ;D
  24. Thread: Quick question

    by Fluffy
    Replies
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    1,166

    Re: Quick question

    Lets try to establish what we know.

    A Solar Panels total energy for a day can be given as W(peak) x5 = W(total)

    Using an100W panel as an example we get, 100W(peak) x 5 = 500W (total)

    To be...
  25. Replies
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    Re: Trickle charge via cigarette lighter plug?

    Well then donít drive a car at all. There are dozens of fuses and hundreds/thousands of connections and wires, each one just as likely and susceptible to failure.

    About those lugs, 9 times out of...
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    Re: Trickle charge via cigarette lighter plug?

    Not much difference between under the bonnet and in the footwell.

    Probably a hundred electrical goodies alive in your car that can catch fire. All those computers that don’t switch off but go to...
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    Re: Trickle charge via cigarette lighter plug?

    I challenge you and anybody else to make a bad connection or bump this cigarette lighter plug loose.

    https://4x4direct.co.za/plugs/6348-dual-power-plug-with-20a-fuse.html
  28. Replies
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    Re: Trickle charge via cigarette lighter plug?

    Dont forget it is a trickle charge. Not a boost charger or primary charger.

    We need to keep in mind what the application is. Source resistance is not an issue here.
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    Re: Trickle charge via cigarette lighter plug?

    Well hello.

    I am going to swim a bit upstream here.

    It's an excellent idea. Not the optimum or best, but still excellent. Attaching directly to the battery has its own problems. Incorrect...
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    Re: Trickle charge via cigarette lighter plug?

    Somebody stole 4e's identity.

    Either that or the old man has gone mad.

    Maybe it's lock down sickness.
  31. Replies
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    Re: Power output V8 Petrol vs V8 Diesel

    That sums it up nicely.
  32. Freelander II Re: Unsolvable Problem? ... My FL2 engine just cuts out ... dead !

    I can't understand why he hasn't changed the CPS.

    I said in my original post 99.99%. I now say 99.999% ??????

    It is the most documented and know issue with the FL2 with the symptoms and...
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    Re: What wire for temporarily solar

    In the absence of further info.

    The answer is any wire, there is nothing special about proper solar cable electrically, its all about environmental protection.

    So any wire, the thicker the...
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    Re: Vacuum sealers, what to buy?

    Too me, if the machine cant adjust the vacuum level it is not worth having.

    All/most of the cheaper domestic units will suck a set vacuum before heat sealing.

    That's fine for some things, but...
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    Re: Vacuum sealers, what to buy?

    Just be very careful with the consumables.

    With most of them, unless you are sealing Beluga Caviar in the bags, the bags cost more than the food you are trying to preserve.

    But do proper...
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