Energy Revolution

Greenpeace writes:Our Energy Revolution outlines a global plan for a sustainable renewable economic future. It shows us how we can get from where we are now, to where we need to be to avoid a climate change disaster. It was developed with specialists from the Institute of Technical Thermodynamics at the German Aerospace Centre (DLR) and more than 30 scientists and engineers from universities, institutes and the renewable energy industry around the world.More info on http://www.greenpeace.org/international/campaigns/climate-change/energyrevolution

Topic by comodore   |  last reply


Energy return on investment for various different energy sources

We're used to thinking about the cost per unit of energy (e.g. $/gallon of gasoline) with the implicit assumption that cost is a rough indicator of what is required to obtain that energy. The Oil Drum has a nice piece on Energy Return on Investment (EROI) and the implications of using low EROI energy sources. To dive right in, it's instructive to think about the EROI of domestic oil production as a function of time:100:1 in 193030:1 in 197011-18:1 in 2000EROI on the Web part 2 of 5, (Provisional Results Summary, Imported Oil, Natural Gas)Energy return on investment, sometimes called EROI and sometimes called EROEI, is thought by many, including myself, to be a critical issue for determining the past, present and future status of human society. It is usually considered in terms of energy return on energy investment, but it can also be considered in terms of energy return on monetary investment. While much of human progress has been attributed, rightfully, to technology, much of that technology has been a means of using more energy for human ends. This is true for fire, knife blades and spear points (energy concentrating devices), the development of agriculture and the increase in its productivity and, essentially all aspects of the industrial revolution.EROI is simply the energy delivered by an energy-obtaining activity compared to the energy required to get it. If the numerator and denominator are expressed in the same units (barrels per barrel, MegaJoules per MegaJoule) the result is a dimensionless ratio, i.e. 100:1 or 10:1). Obviously a higher ratio implies a more desirable fuel than a lower one, other things being equal (which is rarely the case). The concept is extremely simple in theory but often very difficult in execution, mostly because society generally maintains its records in monetary rather than energy terms. Another problem is that the U.S. Government has not supported such studies in a consistent fashion and it is my perception that the quality of some energy records as are kept by e.g. the U.S. Departments of Energy and of Commerce appear to be deteriorating in recent years. Thus deriving the energy cost of getting energy (or most other things) is generally somewhat, and oftentimes exceedingly, difficult. A second problem is that the usual measure of the quantity of a fuel, its heat value, often does not give a full assessment of that fuel's ability to do economic or other work. Most simply electricity and thermal heat from e.g. coal or oil have a great difference in their ability to do work, such as we are willing to trade three or four heat units of coal or oil in a thermal plant for one thermal unit of higher quality electricity. Thus if the input and output fuels are of different quality then it is often thought desirable to weight in some way the inputs and the outputs. A third problem is that it is important to consider boundaries: how large should we draw the boundaries of the energy analysis for the inputs? We will consider these issues in far more detail in later publications but there are many reasons why it is important to make summaries of EROI available at this time even though many uncertainties exist in the numbers that we present here, and indeed with any numbers that might be possible to generate.via jforbess

Topic by ewilhelm   |  last reply


Inquiry about Solar energy

Does anyone interested in Solar energy products? How do you think this prospect of this fields?

Topic by stone820319   |  last reply


Home made energy saver

First of all sorry for my English Its just an idea, like that "Intelligent Power Strip" but on the cheap. Use a relay powered from the PC molex (5v yellow-black), so that when you turn off your computer, it turns off, for example, the sound system, modem... connected to this. I have no experience with relays or high voltage. Anybody interested?

Topic by javo.   |  last reply


How do I make my own Monster Energy drink?

I love the Monster brand energy drinks! But they are too expensive! How do I make these at home?

Question by wolfsmane   |  last reply



Little Windmill Project

Hey everyone a while ago I was cleaning out my closet and found a little micano car, it had a motor on it I was wondering is it possible to use that to generate a little bit of wind energy, if so can someone who knows alot in this field explain how to I intend to have it as a show thing and is it possible to have different colored LED's and if it is windy it will light the all 3 and if its not it will light like 1 or 2 sort of like a wind gage. Anyway thanks for reading sorry if this is a stupid idea.

Topic by trucker1278.   |  last reply


What is your favorite energy drink? Answered

I like MONSTER ENERGY the most.

Question by GTRPLR1995   |  last reply



Has anyone done any research into "cool roofing" for their houses?

Like white colored material to raise solar reflectance? How much energy can be saved in an avg. sized house? I live in FL and I'm faced with a re-roofing project pretty soon...

Question by colemanm   |  last reply


How do I figure out the cost differential between turning on an inefficient furnace and using oil-filled space heaters? Answered

The big deal is that this furnace also heats the upstairs unit of a duplex, which i also own and rent out to my brother in law.  the deal is that he spends maybe 5 nights per week at his girlfriend's house.  so, if i turn on the furnace, all of the heat that goes upstairs will be wasted.  i'm interested in learning how to measure energy usage and learning how to determine the usage difference between running the furnace, which is about 50 years old and runs at about 50% efficiency and three pretty standard 7-fin oil-filled space heaters.  the flat in which i live is about 800 sq.ft. and the upstairs space is about 600 sq.ft.  the windows are old, but are covered with plastic shrink film for better insulation.

Question by hobbssamuelj   |  last reply


Help me make my apartment self-sufficient and green

Hello,I'm interested in making my apartment greener and more self sufficient than it already is. I want to do this for many reasons, but mostly to see how far I can take this. I'm sure a lot of this will depend on what I can put up with, but i'm looking for some ideas of things to implement. I'll follow Instructables if they exist about it and if they don't, I'll create some to document this.There are some restrictions: I am a renter and I don't own the place. I can make some changes, but I can't cut the walls out or replace appliances. I also can't put anything on the roof or outside of my apartment. I'm also very serious about conserving floorspace in my apartment and not accumulation a lot of junk. I need a bit of space to do my projects and have some sanity in this place (I live in NYC). This means no giant compost piles or what not in my living room.Here's my thoughts on things that I will need to work on:Measuring my consumption of thingsReduce energy useReduce energy wasteProduce some of my own power (Solar? I have a big window)Alternate lighting and heating methods?Making my own food to reduce the amount of waste packagingUsing local ingredientsjoining a CSA (just did that this week actually!)Growing some of my own foodReducing garbage and waste waterReusing things that I canCan you add to the list? Anything that you could help clarify? Anyone interested in taking the challenge with me? Thanks!

Topic by drocko   |  last reply



What type of energy are our thoughts?

After reading lemonies instructable on frequently asked questions ( i really enjoyed the chapter on energy ) ive been thinking about what our thoughts are.The brain works in a bio chemical manner but what exactly are the actual thoughts? Are they energy at all?

Question by afridave   |  last reply


Blade Tip Power System for wind energy...

I'm looking at adding a not too obtrusive wind generator to a house I just bought. One of the best I have come across is the honeywell BTPS (Blade Tip Power System) - it isn't as sleek looking as a lot of the turbines I am looking at, but it seems like a good concept to me. http://www.earthtronics.com/honeywell.aspxI can't believe that this company is the first to come up with the concept; has anyone here seen any other similar systems, designed to run in the lower speeds/altitudes common in a smaller residential setup, but generating decent power?

Topic by karossii   |  last reply


CD's for power?

I was cleaning my room and found a load of blank CD's. It made me think of all the AOL discs that my house used to get. So I got to thinking - There's a lot of power wasted on these things, right? So, my job for you, Instructables users, is to help me engineer a way to use these CD's to generate solar, wind, tidal, geothermal energy, whatever. Anything renewable. Any ideas?

Topic by A good name   |  last reply


NGOs I can approach for sponsorship, regarding my solar project?

As I mentioned in the post for the Sunflower, I'm going to b spending the next year or two traveling around teaching people and communities how to generate and integrate solar energy into their local needs, pretty much for free. I've got a bit of money saved to pay for this if necessary, but was ideally hoping to get some kind of grant or sponsorship just to cover my cost of living, which would probabaly come to about £5000 / US$8000 over two years. I have a very low cost of living. Does anyone know of any NGOs / charities / etc I could approach for this? I'm not really needing or offering anything other than the cash to cover my expenses. I can name drop and put a logo on my website and all that, they wouldn't need to really do much of anything other than sling me the cash, safe in the knowledge that they were instrumental in bringing free solar energy to anyone who wants it. Cheers, Daniel.

Topic by SolarFlower_org   |  last reply


wiring?? from WINDMILL to TOWER,How do you keep the wires from twisting inside the tower? Answered

When the wind changes direction, doesn"t the wires eventually twist and bind? Do I need to prevent it from turning 360*

Question by robertlelliston   |  last reply


Audio: 8 hours of Amory Lovins lectures

Video with slides http://www.rmi.org/sitepages/pid231.phpmp3 audio only http://sic.conversationsnetwork.org/series/si-energy.htmlAmory Lovins runs the Rocky Mountain Institute, working on cars made from thermoplastic/carbon re-formable body panels among other projects.He's a charismatic motivational speaker on the subject of energy solutions. Listen to this stuff to get enthused again after you get burned out by hearing about what our idiocracy is doing to us and the world. It's a really it's nice to hear him saying that thetechnology solutions exist and all our dreams will come true once we switch tothem. And this crisis is just the thing to get us off the dumb old methods thatare only used from habit.

Topic by TimAnderson   |  last reply


Make electricity from trash!

Hey, guys! recently I've published my FIRST instructable! It's a project to make electricity from biogas produced from organic materials. Check the link below to have more information: https://www.instructables.com/id/Cash-from-Trash-Make-your-very-own-electricity/ Note: this instructable is in the "green living and technology challenge" so if you like it vote for me!

Topic by baker amin   |  last reply


British Columbia introduces carbon tax

VICTORIA -- Driving and other fuel-dependent activities are about to get more expensive as British Columbia becomes the first jurisdiction in North America to introduce a consumer-based carbon tax.The carbon tax will apply to virtually all fossil fuels, including gasoline, diesel, natural gas, coal, propane, and home heating fuel. B.C.'s carbon tax, the provincial government claims, will be the most comprehensive in the world.full article

Topic by ewilhelm   |  last reply



SOLAR HOUSE????????

My power bill is through the roof. how would i solar my house??? THX SO MUCH !!!!!

Question by zombeastly   |  last reply


Jevons Paradox

I recently read a thought-provoking article in the New Yorker: "The Efficiency Dilemma" by David Owen. The main gist of the article is that as our machines use less energy, we use them more, thus negating any environmental benefit we hope to achieve. This is known as "Jevons Paradox". You can read the abstract and article here, but you have to be a subscriber for the full article. You can read a commentary, with excerpts, here. Please discuss...

Topic by aeray   |  last reply


here's a quality concept for you

Feel free to go out and experiment making this concept... https://sites.google.com/site/kitepowerresearch/ It's a scalable, stackable, light in the air, controllable automated AWE Airborne Wind Energy Beasty. And the idea is proving popular. By spinning a bunch of kites from disks on tethers and a tracking rail generator ... you get power The generation side is on the ground. cool eh The drawing is a bit out of date now as the concept has developed... eh a few mins ago... but it's still a good indicator

Topic by rread   |  last reply


Exercise bike into a battery generator ?

Hi I was wondering if anyone had any plans on turning an exercise bike into a generator to power batteries, or something along those lines. Any ideas or plans would be helpful. I wanted to make a mini power plant in my garage while working out. Thought it would be cool to power some lights or something. Thank you for your time!

Question by lshoop91   |  last reply


Transition to a Post-Industrial World

Our friends at the CIRCUS Foundation would like your help, in the form of a few paragraphs speculating on our post-industrial future.You're obviously the perfect people to weigh in on this topic - Instructables is full of green, reusable, energy-saving, upcycling projects, so you're definitely in the headspace - so what do you think the future will look like? Share your ideas in 500 words or less.From the original post: Bridges to the Post Industrial PlanetOur future well-being requires that in twenty years' time we should be living in a manner that differs markedly from the way we've lived in the past century and a half. It seems likely we'll consume less energy, use physical resources more sparingly, moderate the waste we generate, make fewer long journeys, rely more on local produce, repair things we'd currently replace, share objects we might currently own. Other implications are less obvious but potentially significant. Will be the role of corporations change? How will our societies be governed? What civil liberties can we expect?The better we're able to imagine a post industrial world, the better we can identify the barriers to getting there and prepare bridges to get over them. CALL FOR SUBMISSIONS We're inviting people to write a few paragraphs, no more than 500 words, outlining the greatest difficulty you think we face in making the transition to a post industrial world. This might be a technological issue, a cultural barrier, an economic factor or something else. If you have ideas about how the barrier could be overcome go ahead and outline them too.Send your submission to open@CIRCUS-foundation.org along with a couple of lines about who you are. The results will be compiled in a book that will be published free on the web and form the basis of a seminar to be held in London later in 2008.

Topic by canida   |  last reply


Texas Windpower = Big Money

Texas is now far ahead of California, and the rest of the country, in production of wind power.From the NYTimes:Texas, once the oil capital of North America, is rapidly turning into the capital of wind power. After breakneck growth the last three years, Texas has reached the point that more than 3 percent of its electricity, enough to supply power to one million homes, comes from wind turbines.Texans are even turning tapped-out oil fields into wind farms.

Topic by canida   |  last reply


Parallelized Wind Power

This started as a blog post on Make http://blog.makezine.com/archive/2008/05/parallelized_wind_power.htmlIt was suggested to head over to instructables and get some stuff going here and it seemed a good idea. Also, in the meantime I found (of course) a bunch of cool wind projects here (about 20). I really like the vertical Savonius turbines. I wonder if those could be stacked with a similar effect?I've been wanting to do a wind power project for a while, and it seems like a good one to work on with others. Here's a brainstorm to kick things off. Please add to it or suggest alternatives problems etc.- total parts cost < $200- leverage off the shelf parts as much as possible. - little or no machining.- over 100 watts, (ideally 300-500) (this could be totally unrealistic with a $200 price, not sure yet)- usable in small yards, urban roof topsThe guys who made the original did some research for a grant and the paper is available here: http://www.speakerfactory.net/TURBINES/GRANTS/Selsam%20EISG%2002-18%20Final.docAlright. Hopefully this is enough to kick off some discussion and gather up interested parties. I think the first step will be to tack down goals and solidify a general approach. Ideally in the end, we can come up with a good parts list from a minimal number of sources, and an instruction set that's relatively easy. A group might also leverage some purchase power by getting some of these parts in bulk (ie. a whole bunch of airplane props). Tim

Topic by timothy   |  last reply


Energy Seed Desk Lamp pdf files

Hi a few weeks ago there was a desk lamp that used old batteries AA and i D/L the instructions and then deleted the file from my machine. I later discovered there are a couple of templates i need to build it and have looked every where i know to and can not find them. Anyone have any suggestions on how i can get these THANKS

Question by davidwp13   |  last reply


How do I convert wind power or wind energy into heat?

I have access to a huge piece of windy  but south facing land,  solar gain will not be sufficient for heating green houses, barns, ect..., it is very cold and at high altitude (about 6500 feet).  Strong wind blows all the time.   How do i turn wind into heat and bank that heat as inexpensively and efficiently as possible.   space needed is no issue  the property is a half mile wide.  

Question by ztevo   |  last reply


I have quit energy drinks, cold turkey. Now I sleep a lot more....

My goal was to save money, and lose weight. It's working on both fronts, but now, other aspects of my life are being effected. I find myself constantly tired, focus is slipping easily, and I'm much more irritable than before, which is quite a feat I was hoping it was just a chemical dependency, but I'm almost 2 weeks without now. Safe to say, I'm viewing this as an addiction. I get in light exercise all through the day, I eat healthy and light (and often), but still feel fatigued... Any non caffeinated suggestions on how to boost energy?

Question by poi_pai   |  last reply


Green Crude?

"Sapphire Energy has built a revolutionary platform that uses photosynthetic microorganisms to produce a renewable, high-value replacement for fossil fuel petroleum. This domestic crude oil requires only sunlight, CO2 and non-potable water - and can be produced at massive scale on non-arable land."They call it Green Crude, an algae produced product that could one day replace gasoline. It's not biofuel, or ethanol, and it doesn't require any plants or farmland. The only things consumed are waste water and CO2. They say it could also be made into jet fuel. It seems too good to be true! I can't find anything about the cost, efficiency or speculated time line, but they do have some big investors and are planning on increasing production soon.The CompanyWhat do you guys think?

Topic by Weissensteinburg   |  last reply


Boiling a fluid to make a inverse water wheel?

Ok, how about this; Submerge a waterwheel type structure with cups facing downwards on one side. Under the cups you have some kind of heating element. The fluid is methanol or some other low boiling fluid. A very small amount of heat from the element will produce bubbles, which rise and are caught in the cups, the wheel turns and can generate electricity or whatever. I'm using this principle in another application, but thought it could be quite an efficient means of generating electricity from heat. If the meths is sitting at forty something degrees and boils around 50, it shouldn't take hardly any energy to tip it over. And since you're effectively generating force from gravity (the weight of the fluid on the other side of the wheel) you're kind of getting ten times your force back. ie producing one litre of bubbles will give you 9.8 Newtons of force (for water, 8ish for meths). So (excuse my dodgy maths) 125 litres of bubbles in an hour would give you 1 kiloWatt hour? One cola bottle per minute, doesn't sound very much and that much energy could easily be produced through concentrated solar. Slight risk of explosion... How efficient do you think it would be, overall?

Topic by SolarFlower_org   |  last reply


how to build a solar harvester? Answered

My team and I are building a device that allows homeowners to monitor their homes' electricity usage. I would like for my device to be energy efficient by implementing some sort of solar harvesting module to the device's mcu. Any suggestions would be greatly appreciated.

Question by doc0016   |  last reply


Having problems on building A bike generator

First, I have problem on choosing suitable generator. my choices are washing machine motor , alternator or water pump (1hp) what should i use ?! second, how can i calculated the power i will take from the generator theoretically. third, i had read that if i put a high gear ratio the motor will be destroyed because it can't hold it so how can i fit it with maximum allowable ?

Topic by loradwan   |  last reply


Can a vacuum cleaner motor generate electricity? Answered

I have a vacuum cleaner motor that runs off straight AC from the wall. I think it's like 120 V AC right?.. anyways it's got a huge amount of toque and i'd like to attach it to a stationary bicycle and pedal it to generate electricity. I know all the instructables for this my only quam is the type of motor. I'm not buying one. This is what I have and furthermore I don't even know if it's like universal i guess they call them..I do know that it is a brushed engine (as in it's not brushless) by the way if you haven't caught it yet my electrical jargin is very weak. Thanks for any help you can give me.-Ask me if you need more info.

Question by cdubnbird   |  last reply


Finally finished my solar collector prototype.

This has been an ongoing saga for the last six months or so, but with a lot of help from many of you here the Sunflower prototype is finished. And it works! It still needs perfecting, but the principle is sound.This unit cost me less than $20, is almost entirely recycled and salvaged materials, was ridiculously easy to make (tho since I've thought of a way to make it much simpler) and seems to work fairly well. With a larger collector and light pipe in place this unit alone could collect up to a kilowatt of power, maybe more. Now I need to start working on the Mk II perfected design, and some applications for electricity generation and water purification.This will be an ongoing open source project. Once I've got a design which is nice I'll get a website up and be traveling round working with local community groups, inventors and NGOs.If you have any desire whatsoever to take a crack at making this yourself please please do so. The video is a little light on the finer details, so if there are any questions just ask.And thanks again for all those who helped out.

Topic by SolarFlower_org   |  last reply


How would 'Rich' people live in The Green City?

I've been asked, "How would Rich people live in my Green City?". Since The Green City is a forum for pure Freedom in every sense of the word (in a good way). Rich people could simply pay for what they want, or need in the Green City. But, it's also a place of serenity. Peace, not full of frustration or anger or hate. It's a good, safe, serene place to live. When I first began discussing The Green Cities possibilities, I started from the ground up. People that already have a lot of money, could simply build what they want in The Green City, but I'm sure as time went on, they would see the 'Good' of what the City is trying to accomplish and they would do whatever they could to help it. If you are Rich you could help shield the Green City from adversity by the power of your money, thus preserving the serenity of the City and the serenity of your home. Not to mention if you have family or friends in the City you would also be helping them out. This is NOT a city where a person can go and become a 'Bum' and live off of others. Everyone MUST contribute something or it is ALL for nothing. Freedom is NOT synonymous with lazy. But, good works can be done in a variety of ways. One does NOT have to work out in the field to do good with those around them. That's all the Green City is about, freedom and doing good to those around you. Simple. Go to: www.thegreencity1.com

Topic by djwillie   |  last reply


Simple, efficient, low-cost, solar energy equipment

I am looking for a DIY simple, low-cost solar water heater and solar light that will work in any kind of weather and still be able to supply atleast some working heat and light. Please suggest.

Topic by rseni   |  last reply


What's the best way to put kinetic energy in batteries? Answered

I had the idea to have the kids at my favorite summer camp group to "pump" their own electricity because one of the more primitive camps in that group already pumps their own water, but doesn't use electricity. What's the best way to put kinetic energy in batteries? When i say best i mean highest mechanical advantage.   The ways i can think of are: -shaking a magnet through a coil of wires -spinning a wheel to shake  "          " -pedaling to spin the wheel to "       '' -using a lawn mower sort of wheel. Also to refresh my memory what are the other ways (with a higher mechanical advantage) to move a magnet with coils to generate electricity?

Question by Houdinipeter   |  last reply


Would you be in a new and virtually untapped green energy?

Hi I am developing a new concept for new in-pipe clean energy turbine system and looking for a mechanical electric engineer with skill in hydroelectricity. The patent has been already submitted, the proof of concept checked on a small scale prototype. I am trying to build a full working demonstration prototype. I am a scientist with good in design skills but limited electromechanical skills. I need a electromechanical engineer with computer fluid dynamics (CFD) skills to help me to build this prototype, interpret the data we will gather from the tests and find the best pilot test site. I am proposing a substantial part of equity of the company in exchange of this partnership. I'll ask you to sign an NDA before we get going. Please contact me here or at info at 100traffic dot com. Best regards, Herve

Topic by 100traffic 


What is the fastest most energy efficient way to evaporate seawater on a small scale and collect the salt that reminds?

I tried standard sun evaporation in trays (1 gallon) and it takes far too long (not to mention all the debris that collects in the water during the evaporation process). Heating it over the stove uses too much energy. I am thinking a solar fan / heat combination. Your thoughts? (Note: The goal is to collect the sea salt.)

Question by ericrowe   |  last reply


Permanent Magnet Motor

I learned a couple of years ago about a motor developed by Nikolai Tesla that operates using neodymium magnets. If anyone has any information about this or other similar motors, please post information and help to save the earth from the evils of oil!

Topic by HazzardFan75   |  last reply



Solar, Wind, or Water Power: What is your green energy source?

From solar to aquatic, what are your forms of renewable energy? Any new ideas? I know another post in the "Green" topic talked about a gravity-powered LED lamp. What next?

Topic by KKremke   |  last reply


Solar Windmills

Of the various renewable energy sources out there, solar and wind are among the most popular. Already windmills are springing up in various parts of the country. This got me thinking, what if you used some of that space on the windmill to harvest some energy. For example, what if you attached solar cells to the windmill rotors of tower to harvest extra power. What do you guys think?

Topic by purduecer   |  last reply


Power the American nation with waste food!

A new study shows that the energy used to produce the food wasted by Americans is greater than the energy stored in the oil and gas reserves around US shores. The situation is probably worse than the study suggests, since the only data available on wasted food was from 1995, when 27% of all food was wasted.  Since then, food prices have fallen, and waste has probably increased. Michael Webber and Amanda Cuellar at the Center for International Energy and Environmental Policy at the University of Texas at Austin calculate that this is the equivalent of about 2150 trillion kilojoules lost each year. That's more than could be gained from many popular strategies to improve energy efficiency. It is also more than projections for how much energy the US could produce by making ethanol biofuel from grains. Obviously, Americans (and every other similarly-wasteful society - we're just as guilty in the UK) should be doing their level best to reduce their wasted food, but it also strikes me; there is gold in them thar bins. Rather than persuade hundreds of millions of lazy "Westerners" to change their ways, why not exploit them?  Why not make money off them (or at least, save your own energy costs)? We already have a bus driving around for free, and a car running on garbage.  Can you come up with a house-hold scale scheme? Could you cut your energy bills to zero, just by collecting other people's garbage for them? Could you set yourself up as a supplier of motor fuels (gasoline or diesel replacements?  methane?) Come on, iblers, do your thing! New Scientist article Oil data The study itself. (I have attached a PDF of the study, if you're interested.

Topic by Kiteman   |  last reply


Electromagnet Help! How to Make a Small but very Strong Electromagnet???

I need you help smart people of Instructables!I need to make a small Electromagnet, that uses minimum power (by that I mean the battery), but still has to be very powerful. I have a couple of questions that I need you to help me answer:Does the number of coils that is wound to the metal bar effect the strenght of the electromagnet?Does the wire gauge (20,24,28,30,34,36 wire gauge) make a difference is the strenght of the magnet?Does the voltage I supply to the coil effect the Electromagnet?What type of battery is best for an Electromagnet (AA, AAA, C, D), and what voltage (1,5V, 3V, 4,5V, 6V, 9V) ???Here is the thing, I need to make the Electromagnet super strong but taking up the minimum of energy, for example, just 1,5V. The things that are not important to me (doesn't play a factor in my device) is the number of wire winds to the metal rod and the wire gauge! So is it better to just make 1 or more (3,4,5,6...) layers of wire winds???Is it better to use thinner (36 gauge) or thicker wire (24 gauge)???Thank you a lot!Stanislav

Question by comodore   |  last reply


INSULATION.. Any way to make ATTIC and WALL INSULATION with recycle Items ???

Anyone knows any way of making cheap or free attic and wall insulation from recycle items? I know of a company that makes it out of recycle shreaded jeans. But then with what will I shread them and what will I wear after shreading them?...lol It will cost me Over $600.00 for a 30x60 ft attic and thats the cheapest being on sale now at Lowes and Home Depot installing it myself. The spray on foam insulation cost an arm and a leg.. Then again I will need them for making my other projects.. haha. I'm sure someone out there knows a way of making it or may have an idea of makin it with recycle material.. thanks.. This will be a a cool experiment or may I say a warm one.. =- }

Question by PitStoP   |  last reply