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Overunity Machines Forum



Thane Heins Perepiteia.

Started by RunningBare, February 04, 2008, 09:02:26 AM

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gyulasun

#3210
August 17, 2008, 05:40:57 PM
Hi,

May I chime in with these motor suggestions for driving the shield:  http://circuitspecialists.com/level.itml/icOid/8158

or http://www.robotobjects.com/scripts/prodView.asp?idproduct=413   

and also here: http://www.electronicsurplus.com/dictionary/cat2062.htm

There are many other DC motors of course, though the above ones seem too small, hopefully their torque is enough for the job...

rgds,  Gyula

Charlie_V

#3211
August 17, 2008, 08:43:14 PM
Yes the motors gyulasun posted are what I was talking about.  These are basically toy or hobby motors.  Old tape cossets have pretty decent motors in them too - also small.  These would be the perfect if the rotor is balanced and everything, but you probably have to work down to something this small. 

I really hate winding coils, I'm coiling on one tonight for a project I'm working on.  Its going to be ~1000+ turns of 20 gauge. 

CRANKYpants

#3212
August 17, 2008, 08:58:38 PM
Quote from: Charlie_V on August 17, 2008, 08:43:14 PM
Yes the motors gyulasun posted are what I was talking about.  These are basically toy or hobby motors.  Old tape cossets have pretty decent motors in them too - also small.  These would be the perfect if the rotor is balanced and everything, but you probably have to work down to something this small. 

I really hate winding coils, I'm coiling on one tonight for a project I'm working on.  Its going to be ~1000+ turns of 20 gauge. 

AS A POINT OF REFERENCE THE YELLOW DC MOTOR IN THE LAB VIDEOS DRAWS 20 WATTS OR LESS WHICH IS COMPARABLE TO ABOUT 200 W FOR THE RYOBI INDUCTION MOTOR - I JUST MIGHT BE ABLE GET REAL CLOSE WITH MY NEW COIL.

THANKS GYULASUN FOR THE INFO AND GOOD LUCK CV! ;)

CHEERS
Thane

springfield

#3213
August 18, 2008, 11:39:25 AM
Quote from: CRANKYpants on August 17, 2008, 09:14:34 AM...THE TROUBLE IS EVERYONE HAS THEIR OWN VERSION OF "PROOF"...
@Thane
Dont be mislead by these red herrings - proof is very clear, only one thing measure power in and power out, show power out is greater then power in with accurate meters and unmistakeable operting conditions then nobody can argue.The porblem so far is every time you always have too much meauement inaccuracy or unclear operating conditions. Your close, just do the measurements right!
-Mike

Charlie_V

#3214
August 18, 2008, 02:19:05 PM
Which is why if you close the loop and have the device power itself without stopping you will never have issues with "accuracy" error.
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