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Azucena Jewels
My dad and I have been setting up the moth sheet for around a year and have only been setting up our sheet at locations which have power (Friends houses, etc). We have recently decided that we would like to put our moth sheet in more remote locations but that means we need portable power. We were wondering if any fellow moth sheet lovers could give us some advice on purchasing a power bank or even a generator that can power our setup. Currently we are only using two 50W UV bulbs. Any help would be much appreciated.
That is just an inverter, for converting a low voltage DC source into a higher AC supply. Couple that with a battery and you are talking quite a bit of weight. Here in New Zealand we are 240VAC on our domestic supply, and typically 12VDC for vehicles. I have a 7ah 12V battery that I use a 100W inverter with and I am able to run my 30W homemade skinner trap for about 1-2 hours. The battery weighs about 2.5kg (5lb).
A portable power bank is a small, battery-powered device that can be used to charge electronic devices such as smartphones, tablets, and laptops. They usually come in a compact and portable design, making them easy to carry around in a bag or pocket. Power banks typically have a capacity of around 3000-20000mAh, which can provide a full charge for most smartphones. They can be recharged through a USB port, and some newer models can even be charged wirelessly.
On the other hand, a power generator is a larger, gasoline or diesel-powered device that is used to generate electricity. They are typically used to power tools, appliances, and equipment in outdoor or remote locations. Power generators come in a variety of sizes, from small portable units to large industrial models. The output of a power generator can range from a few hundred watts to tens of thousands of watts, depending on the size and type of generator.
Portable power banks are designed to provide a small amount of power to charge electronic devices, while power generators are designed to provide a much larger amount of power to run multiple devices at once. This makes a power generator a better option for powering tools and appliances, while a power bank is more suited for charging electronic devices on the go.
Another difference is the duration of power supply, a power bank will only work as long as the battery lasts, which is usually around a day or two. A power generator can run for hours, days or even weeks as long as there is enough fuel, which makes them ideal for long-term power needs such as camping, tailgating, or construction.
In terms of convenience, portable power banks are more convenient to carry around and charge as they are smaller in size and can be charged via USB or wireless charging. Power generators, on the other hand, are larger and typically need to be refueled. They are also louder and emit exhaust fumes, which makes them less suitable for indoor use or in places where noise is a concern.
Portable power banks are great for charging electronic devices on the go, while power generators are better suited for powering tools and appliances in outdoor or remote locations. It is important to consider the specific power needs of the situation before deciding which device is the best option.
"You must be the change you want to see in the world." "First they ignore you, then they laugh at you, then they fight you, then you win." --Mahatma Gandhi
"Preach the Gospel always, and if necessary, use words." --Francis of Assisi.
"Family farms work when the whole family works the farm." -- Adam Klaus
Joseph Lofthouse wrote:
I don't understand refrigeration in an off-grid lifestyle... It is one of the most energy intensive applications, and it does a task which can be easily avoided... For me, it's much easier to conserve the electricity by doing without refrigeration than it is to have a big enough system to run a refrigerator.
Joseph Lofthouse wrote:
When I live without refrigeration, I change the nature of the foods I eat, how I cook them, how I store them, etc...
Instead of storing pre-made sauces under refrigeration, I add spices directly to the cooking pot.
I don't much care for raw foods, but most raw vegetables don't need to be refrigerated, and store remarkably well without refrigeration, even though we are in a habit of refrigerating them.
I eat more fermented foods when I don't have refrigeration.
I eat more seasonally, and more bingingly... If I cook a chicken in the summer I eat the whole chicken during the day.
It seems to me that the food-handler permit process has seriously damaged people's perceptions regarding what foods can be safely eaten the next day even without refrigeration.
A trained cyclist can produce about 400 watts of mechanical power for an hour or more, but adults of good average fitness average between 50 and 150 watts for an hour of vigorous exercise. A healthy well-fed laborer over the course of an 8-hour work shift can sustain an average output of about 75 watts.[1] The yield of electric power is decreased by the lack of efficiency of the human-powered generator, no known generators are 100% efficient.
Critical thinking skills are critical at the juncture we find ourselves at, and we can arm ourselves and most importantly the future generations with the "Trivium Method" of critical analysis. For more information read chapter one of my book for free here -1.html
Larry Noel wrote:I need to make an input here. What is being discussed here is "mechanical watts" which is in reality not related to "electrical watts." "Mechanical watts" is a mathematical function between calories burned and horsepower output. "Electrical watts" is a mathematical function of volts times amps. While it may take 400 "mechanical watts" to power a bicycle for a given time, that physical energy of the wheel turning can be used to turn a car alternator which will have an electrical wattage output that is in no mathematical relationship to the mechanical watts consumed. Make sense?
Several years ago I had an old 26" English racer with the super skinny tires. and I took the rear tire off the rim, got the longest fan belt that they had at the auto parts store, and built a plywood stand to hold the bike upright. I got a 100 amp single wire alternator and rigged up a spring tensioned mount in line with the fan belt and hooked it up. The single wire alts need 12 volts in the system to "excite the field" and turn the electric magnets on to start generating amps. I am not sure what RPMs are needed, but as long as that speed is maintained the thing will make amps. I ran it once with a meter on it and it was putting out 13.8 volts at 85 amps at the speed I was pedaling and that is a pretty good rate to charge a battery at. Anyway I had my proof of concept working and I put it away and it is in the "just in case" worst case file...ready to go. In a worst case where all you had was this and a dead battery a solar panel could be enough to "excite the field" and make it start generating amps. Watts = Amps times volts so 100 amps at 12 volts is 1200 watts. Pedal for an hour and you should have 1200 watt hours stored. Thats the theory at least. Like I said, it works and I put it into the special file as a back up to may back up. Cost: $20 for bike+$100 for alternator+$30 fan belt=$150 experiment and a few hours and nuts and bolts with scrap plywood. I call it my "Gilligan's Island" generator.
Larry Noel wrote: If we rather choose to redefine things as we have proven to ourselves, rather than accepting what we have been "taught," then we have a unbiased view of reality that can be expanded upon. If we only use the mathematics and definitions that are supplied to us, we would be biased to the opinions and teachings of others, and we would be limited to the view of a flat earth where the solar system revolves around it. Rules were made to be broken and there are very few "hard fast rules of science" that have lasted more than 20 years before being over turned.
This does not exclude the fact that a "Mechanical watt" is an entirely different animal from an "electrical watt" no matter how the mathematics can be manipulated to describe otherwise. Apples are apples and oranges are oranges no matter how one may mathematically prove they are both fruits.
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