who give me electrical motor brake explaining with drawing?
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http://en.wikipedia.org/wiki/Electric_motors\nAre you talking hobby motors? There are many different types of electric motors: all of which "brake" or slow down differently.
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any motor or a generator which works using d.c. current is called a d.c.machine. and the best book for electricals is in india it's a.k. and b.l.theraja.it has all the stuffs regarding electricals. both a.c. and d.c...the types of d.c. generator are series ,parallel and shunt wound , and series parallel wound generators.
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Check out this article on How Stuff Works for a more advanced explaination with images. \n\nhttp://auto.howstuffworks.com/turbo.htm
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http://en.wikipedia.org/wiki/Filament_winding
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try this website http://www.howstuffworks.com/search.php?search=electrical%20motors%20and%20generators&ref=hpaw&page_ref=http://www.howstuffworks.com/
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make and working elctric circuit like a bell, r a bulb, u can Also explain working of an electromagnet using a model.\nu can also expain the capillarity concept
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a drawbridge or a circuit??
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this has some lock diagrams. hope it helps
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I send U the proper diagram of it by mail.
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are you talking about cad then\nTo understand go to the link\n\nhttp://www.ncsu.edu/project/graphicscourse/gc/acadtut/acadtut2000/polcoord3.html\n\nhttp://www.caddprimer.com/cadd_primer_chapters/cad_geometrical_drawing_books_2.htm
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for automobile\n\nFormulas for brake horsepower\nhorsepower = rpm x torque / 5252\ntorque = 5252 x horsepower / rpm\nbrake specific fuel consumption = fuel pounds per hour / brake horsepower\nbhp loss = elevation in feet / 1000 x 0.03 x bhp at sea level\n\nFormulas for indicated horsepower & torque\nhorsepower = mep x displcement x rpm / 792,00\ntorque = mep x displacement / 150.8\nmep = hp x 792,000 / displacement x rpm\nmep = hp x 792,000 / displacement x rpm\nmechanical efficiency = brake output / indocated output x 100\nfriction output = indicated output - brake output\ntaxable horsepower = bore2 x cylinders / 2.5 \n\nElectric Motor Horsepower Calculations, see http://www.bacharach-training.com/norm/electric.htm\n\nPrimer for understanding Horsepower, http://vettenet.org/torquehp.html
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Actually what you want to build is an electric *motor*, not an electric *engine*.  By definition, an engine has a number of working parts that move sychronously, whereas a motor is a simple moving machine (my English teacher nailed me on this back in the 12th grade and I've never forgotten it).\n\nBut nevermind all that semantics stuff.  See the link below for some excellent how-to examples, depending on how powerful a motor you want to make.\n\nHave fun!
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Edit: Perhaps I should revamp my answer to provide a clearer (actual) answer, that explains exactly what plays a role and, in effect, why I am right. I also added a couple sources you should read (in case you don't believe me ;-).\n\nAs asked at the first source (which has very good information about electric motors), "How can I make the motor spin faster or slower?". The answer is that it has to do with the power of the magnetic field. Because electicity is magnetic, you can either effect the speed by using a more powerful magnet or a more powerfully magnetic electrical current.\n\nTo quote Wikipedia about what a volt is, "The volt is the SI derived unit of electric potential difference". To truly understand what the "electric potential difference" means, you must first better understand the volt. The volt is a measurement of electromotive force (emf) and is just defined in terms of amperes and watts.\n\nAn amp is the constant current which produces a force equal to 2x10^-7N per meter, when travelling across two parellel wires one meter apart. It is one coulomb of charge per second (Q/t). It is a base unit upon which other units of electicity are defined (such as the volt).\nA watt is the unit of power equal to one joule of energy per second (P=W/t).\n\nHmm. Power? Power of a magnetic field? So how can you get more power in your circuit? If your power source is not rated by power output, then you can figure out the power using convertion:\nA=W/V=C/s\n\nIf you want a higher wattage, you can increase the voltage (electrical potential) or the ampage (current) or both. Or you can increase the charge - the amount of electricity (coulombs).\n\nSo the fact remains that voltage is *not* directly related to the speed of a motor. It can be directly converted in a way that makes it useful for that purpose, but any number of other things can be done to increase the power - the real goal you are looking for.\n\nThe answer is a definite "No." and a half-assed "Yes.".\n\n\n---Original Answer---\nNo. You might want to read more about the electric motor ( http://en.wikipedia.org/wiki/Electric_motor ) and magnetic properties of electricity ( http://en.wikipedia.org/wiki/Electromagnetism ). Also see the definitions of volt ( http://en.wikipedia.org/wiki/Volt ), watt ( http://en.wikipedia.org/wiki/Watt ), and amp ( http://en.wikipedia.org/wiki/Ampere ).
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In some locations construction drawings must be approved by a registered professional engineer. Many times this is a ME
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Most of manufacteror put manuals in thier websites.\nCheck the website of your one and search for this model no in it, I can bet you will find it.
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http://www.bis.org.in/\n\nThey have hyperlinks to all of the different codes.  There was one on the main page for energy efficient motors (foreign made).\n\nAlso check wikipedia for a really good explanation of the BIS.
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I've been looking for other things on the web and found this site. If they don't have it you may be able to ask them and they could tell you of another place. The website is www.manuals.us