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02-16-2010, 08:51 AM
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#31
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Registered Member
Join Date: Apr 2008
Posts: 1,831
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youtube vids are awesome things (and so are physics books)
****edit****
a few of my favorite youtube vids (fake)
http://www.youtube.com/watch?v=K1rRvExSuCc
http://www.youtube.com/watch?v=lkwh4ZaxHIA
fun with magnetrons and editing software
at least it is good for a laugh
(as are other vids in this thread)
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Be the change you wish to see in the world
--Mahatma Gandhi
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02-16-2010, 09:00 AM
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#32
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Registered Member
Join Date: Jan 2006
Posts: 2,444
Country: United States
Location: Tiverton, RI
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What usually happens with these magnetic motors is the force the magnets exert making them move is equal to the force needed to reposition the magnet or magnetic shield to block the attraction to keep them moving so there is no net gain in motion. The best thing that comes out of it is you end up with some sort of magnetic bearing that reduces the friction which makes it spin easily. Another thing that happens in the case of Pulse Motors is the meters that are being used to measure the energy into the system are not accurately measuring the quick pulses of current and voltage so it "looks" like it takes very little energy put into the motor to get some energy out of it but in fact it is taking in a lot more than is measured.
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02-16-2010, 03:57 PM
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#33
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Banned
Join Date: Jul 2009
Posts: 427
Country: United States
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im making my next turbine out of cell phones
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02-16-2010, 05:14 PM
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#34
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Site Team / Moderator
Join Date: Sep 2008
Location: Northern Virginia
Posts: 4,739
Country: United States
Location: Northern Virginia
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The thing is that the cell phone popcorn is a well-known hoax. What is done is the magnetron is removed from a microwave oven and installed under the table. When the magnetron is activated, the corn pops.
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02-16-2010, 06:16 PM
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#35
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Registered Member
Join Date: Apr 2008
Posts: 1,831
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the good thing is that with an energized magnetron that close to their family jewels, we won't have to worry about the next generation.
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Be the change you wish to see in the world
--Mahatma Gandhi
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02-16-2010, 06:25 PM
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#36
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Registered Member
Join Date: Apr 2008
Posts: 6,624
Country: United States
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BEEF, that is precisely what I was thinking.
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This sig may return, some day.
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02-16-2010, 07:29 PM
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#37
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Registered Member
Join Date: Oct 2007
Posts: 698
Country: United States
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Quote:
Originally Posted by BEEF
physics, slapping good ideas in the face since the beginning of time
(dang it!!!)
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LOL!! I remember my first good idea...replacing the spark plugs in a car engine with springs....I was about seven years old at the time...my sister's first husband (a mechanic) tried to explain the law of conservation of energy, a.k.a. "no free lunch" to me.
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"We are forces of chaos and anarchy. Everything they say we are we are, and we are very proud of ourselves!" -- Jefferson Airplane
Dick Naugle says: 1. Prepare food fresh. 2. Serve customers fast. 3. Keep place clean.
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02-16-2010, 07:34 PM
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#38
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Registered Member
Join Date: Oct 2007
Posts: 698
Country: United States
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Quote:
Originally Posted by BEEF
the good thing is that with an energized magnetron that close to their family jewels, we won't have to worry about the next generation.
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Another LOL!!!!!
__________________
__________________
"We are forces of chaos and anarchy. Everything they say we are we are, and we are very proud of ourselves!" -- Jefferson Airplane
Dick Naugle says: 1. Prepare food fresh. 2. Serve customers fast. 3. Keep place clean.
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