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DC MOTORS AND GENERATORS

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Published on Jul 25, 2010

DC MOTORS AND GENERATORS - Department of Defense 1961 - PIN 29942 - DESIGN, APPLICATION, AND OPERATION OF BASIC, SERIES, SHUNT, AND COMPOUND WOUND TYPE DC GENERATORS AND MOTORS.

Comments • 314

Dylan T
why do these old movies do such a great gob at explaining vs new videos???
View all 6 replies
Nicole Frisbie
Yeah, I am only seven minutes into this and just now understanding the material in my physics class two years ago that I somehow passed.
CUM2america
because making a video back then was a big deal only people who really knew what they were talking about had a chance to do it
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ӜӪӜӪӜӪӜӪӜӪӜӪ
Sometimes old things are better than new things. 
ӜӪӜӪӜӪӜӪӜӪӜӪ
The Mechanical Universe and Beyond I must now check out. Simple & Oldschool FTW
Robert Nicholas
I often seek older information sources regarding basic principles for their explanatory simplicity and their lack of reliance on unnecessary gimmicks such as cumbersome and overwrought animations. When I was teaching electronics years ago, my go-to video series was The Mechanical Universe and Beyond. The math might be a little thick for those uninitiated to calculus--especially in the episode on Maxwell's equations, but the animations are clean and perfectly complement the narrative.
leoh Jones
I have a class on this. learned more in this video than in class for 2 weeks and reading the book. The layout is more logical. Quality.
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ungratefulmetalpansy
+leoh Jones Universities are publicly-funded R&D departments for corporations. Corporations used to fund R&D privately back in the '50s and '60s, then some bright spark decided "enough of that". Now companies just buy IP from universities, make profit right away while you are stuck with the debt and you have to beg (5 interviews!) for a job from the same company... Look up what "scrip" is ...
leoh Jones
That's pretty cynical. I like it!
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ypenburger
is it just me or are they messing with the left and right hand rule in this video.. because my book says the other way around
View all 7 replies
Jay Edlington
Dale Mahalko It has more to do with applied electricity vs. theoretical engineering. Like using the water flow analogy. The flow concept is correct, it's just not scientifically correct. So what I mean is that it is safe for a technician to work on a circuit using engineering drawings and working on the knowledge of the paradox but he certainly couldn't, confidently, modify the circuit. It has to do with what we see and what we learn later.
Chintan Meena
Thank you !! i thought i din't knew the rules :|
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sparsam117
Holy Crap, This is exactly the knowledge that I have been searching for. Why isn't all education this strait-forward and simple?
ungratefulmetalpansy
Ever wonder how they got so much done in the 1960s? Today, education is a business, to create jobs for all the people that really shouldn't have to work anymore... because we're all so productive now.
Michel Bernier
Right on :-d
Micah Houghton
This video is pretty amazing in that I am currently taking Electronics and Physics classes at night and the content in class is so convoluted that it is difficult to pull the simplicity of the presented material for comprehension.  example:  "The postman is walking, he is stepping at 75 steps per minute and each step is 150 cm high.  If he had magnets on his toes and the ground was made of copper. he would create voltage. That is how generators work" That, of course, was an exaggerated example but yet not too off par.
The-Toy-Guy
I swear every oldschool video like this is narrated by the same guy.
david Horner
The-Toy-Guy....ya cos he's a panty dropping bastard.
Joey Fnuts
Ya same guy speaking into a Burger King drive thru microphone
Rodrigo Cardoso da Silva
This way of showing the schematics of a DC motor/generator is way better than the way my book try to explain, which is kind of more complex. This is exactly what I wanted as I wished to know the functioning before going ahead to the equations. Thanks!
tsepo fenyane
I second that my textbook is complicated too had to memorize the equation without fully understanding whats going on.
Callum Hays
High school student here. Found this light-years more helpful than my physics teachers and worksheets. I doubt they even know what they are talking about half the time.
Keith Teeple
This was very helpful. I love the style of explanation in these older docs.
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