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    Fridge Efficiency

    I did some similar tests once on my fridges, if the test conditions are such that you start measuring the consumption after all the contents in the full fridge is already cooled down and in moderate ambient temps, then yes full vs empty is very similar. As the heat transfers into the body it...
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    Upright fridges

    Here is one of my answers based on a handful of 12V uprights I experimented with: 2. If the ambient temp is <35 degrees C and your happy with mundane fridge temps of ~4 degrees C, and you are opening up the fridge very little, then yes everything will stay cold. But in 40 degree heat and opening...
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    Earth 4wd tips you wished you'd heard earlier.

    I dont have any tips I have learnt really. But for me its basically all about the fact that so many things and setups are by their nature very inefficient. For example, why run a freezer that is going to be more system maintenance when you can just forgo the ice cream to begin with? As absurd as...
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    79 series lemon

    So you brought an awful overpriced and under engineered POJ with dozens of know design flaws second hand & your posting about it being a lemon??? Does not compute!!! High resale value and second hand does not make sense. God, Im glad I would never do that, life is too short. How reckless, how...
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    Another war.

    I recently went over the history of Britian. Essential it goes like this: Someone just happens to gain authority because they can, They eventually get overthrone by a stronger advsary, He struggles for power and almost gets removed, he them kills a whole bunch of people, then he gets removed...
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    Dangers of lithium batteries

    I kinda laugh at people who think evs will easily work for remote touring, the level of engineering required to keep the battery, electronics, and cabling safe from bone shattering corrugations and rough tracks hasn't even remotely been flushed out. I guess by then most tracks will be closed or...
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    New regs for electrical installations

    I wouldn't listen to Enerdrive, these are the same people who said you can't parallel 12v lithium batteries because their switches insude the bms could wear out when the bms interupts high loads like inverter. I'm glad I took the time to brush up on my solid state physics, the way mosfets work...
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    Kings 120AH Lithium Battery getting a good review

    You will obviously need a DC DC charger for driving, a good unit is the enerdrive 40A. You may need a 240v charger at home for various reasons, again enwrdrive 20A. Enerdrive are a mediocre brand, their chargers are made by some Chinese mob, but they are very easy to set up and use and don't...
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    Catastrophic Implosion!

    Admittedly I don't watch news at all or keep up with the times. But when I heard they used CF for the hull my reaction was pretty much "you gotta be kidding me" I may not know anything about submarines, but I know enough about CF and materials science to know you don't use CF on a sub at those...
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    Ply drawer - strong enough?

    My long term exp with bunnings marine ply is its consistently better quality than the standard ply, so thats why I use it. There is no practical diff to them both in general, however if the project is to be exposed to water its best to seal it with watery thin 2pack epoxy clear, the stuff at...
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    Fridge freezer

    If you want actually chilled drinks that are refreshing instead of the rubbish "cold", forget an upright, none I have used were capable of chilling drinks in 40 degree heat. I'm somewhat skeptical of Trailblaza, they are used by armed forces, so what? Armed forces don't pay for them, they have...
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    Snowys blog on Lithium batteries has incorrect info

    https://www.snowys.com.au/blog/podcast-battery-chemistry/ They say the alternator will only charge to 85% which on many isn't true, they in fact can charge to near 100%, it may just take longer, in fact lithium can charge to near full with quite low voltages. They speak about the ratings at...
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    Help me with a bike

    Yeah you can't expect a precise answer without giving details on riding environment, "gravel" is like "Drama" [shakes head] The big mistakes people make is not properly testing bikes, thinking they can just cheap out- remember it's the only thing between you and hard ground, and I am afraid...
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    Lithium battery dilemma

    All the tech doesn't mean much when accoustics are completely hampered in a vehicle. Why go in the great outdoors to listen to music???????? That I will never understand! Like these guys who watch tv and play on their phones. Anyway, individual solar panels which are almost always 36 cells in...
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    Understanding 12 volt wiring. The basics!

    Well Current does indeed flow inside the conductor, Current is the flow of charges (electrons), there just has to be alot of them moving in a similar manner to constitute Current. When electric charges move along the wire they give rise to a helix shaped magnetic field around the conductor, that...
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    Camper Trailer vs. Tent - This time a bit more details.

    To me, a tent means: Bare essential external setup, not just a swag or a RV 5 coz that would be ridiculous right? So Sleeping quarters, shelter, basic kitchen. Without those 3 you are dead in the water. While the 3 above can be in some way incorporated into a solo vehicle setup, so 270 awning...
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    Fuse size

    I'll just say what no one is saying, the ebay item is listed as total output of 36watts, the way these devices work is they can't be overloaded and if you plug multiply items into it, the overall output is split in some ratio over the ports, it even says usbc is just 20v 1.5a, so 30watts for USB...
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    USB C is a wonderful thing for 4wding and camping.

    Man 1: "sir, can you help improve places getting locked up and make me happy in life?" Man 2: " ...nnnnnno. No, I can't do that. But I don't know if you know this, I have a phone in my hand that fully chargers in just 10minutes. You wanna see it?" Personally I think USB c is so overhyped and...
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    Fridge prices - ohhh my!

    My first Engel eclipse was $580 to my door :eek: the second one some time after $620-650 irrc:mad: Then some time after Engel got rid of the 240v and it was around $700ish???:mad::mad: ...ohhhh don't worry, they were kind enough to have the 240v brick thingy for another $100:mad::mad::mad: never...
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    Big canvas tents from a bygone age

    I'm talking about the 12person twin cabin monsters that weighed 60kgs, took two people 45mins to setup. They were popular in the 90s. We had one with two awnings on both ends, back then it was completely unheard of spending that much. Without a solid plywood box to house all the poles the thing...
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