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This video which you posted purportedly shows how it "generates electricity":
Mary Rose
You're saying that if Engel's device as described could be engineered to generate electricity it would not be cost-effective compared to what we have now?
Mary Rose
Hasslberger also posted this YouTube video as illustrating a permanent magnet motor apparently based on the same principle as Engel's:
It's harder to understand how gullible investors can invest millions of dollars in Blacklight Power, but that happens too.
Mary Rose
Are you assuming the technology editors of the German newspaper are gullible?
Arbitrageur
Engel's device is a motor powered by a battery. It doesn't generate any electricity.
I don't think so. He says it's not powered by the battery, but all evidence points to it being powered by the battery. I don't think it's any exaggeration at all to say it's powered by the battery.
Mary Rose
Engel's device is not exactly powered by a battery. You are exaggerating quite a bit, aren't you?
Mary Rose
How do we know how long neodymium magnets will last?
I will quote Nelson and House and say if they can't tie a weight to a string to the shaft then they are idiots, because that's all that's needed for a "poor man's dynamometer" to fairly accurately measure mechanical power.
Mary Rose
Bottom line, the point made by the editors is the "human sensors" (necessary because we have no way to measure mechanical power?) detecting much more power than the eight milliamperes at nine volts represented by the battery.
What do you have to say to that?
the designer needs to test their motor under a known mechanical load. If they don’t have a dynamometer available, then the simplest way to do this is to simply have their motor lift a known weight by winding a string or flexible cable of some sort around a spindle. This will serve as their homemade “dynamometer” if you will. We need to know the amount of weight lifted, the height the weight is lifted and the speed the weight is lift to get an output power measurement. Normally the speed is determined by the RPM’s of the output spindle. So, if the designer knows the height lifted with each RPM then all we need to know is the RPM’s of the spindle (not the motor if gear ratios are involved) to have the lifting speed.
Bedlam
Show me a DC motor that draws 8mA at 9 Volts. Show me where he's measured it. Most small brush DC motors draw quite a bit more than that. Show me where he measured the output. You won't find it, because the "mirror motor" is his MacGuffin.
Mary Rose
reply to post by Arbitrageur
He calls the battery a control mechanism.
Bottom line, the point made by the editors is the "human sensors" (necessary because we have no way to measure mechanical power?) detecting much more power than the eight milliamperes at nine volts represented by the battery.
What do you have to say to that?
Why not? Popular Mechanics editors use a dynamometer to test energy saving claims:
Mary Rose
reply to post by Arbitrageur
The newspaper editors should have used a dynamometer?
And my bigger point is even without a fancy dynamometer, why can't they tie a weight to a string and use that for their dynamometer, instead of a finger brake? Because they don't know what they're doing like the writers of popular mechanics do, that's why.
We purchased seven typical gadgets--ranging in price from $20 to nearly $400--representing the most common approaches used by devices claiming to boost mileage, such as applying magnets to the fuel line, modifying air intakes or injecting extra fuel into the engine...
We strapped the trucks down to a pair of chassis dynamometers and ran them dry of gasoline. Then we added a measured quantity of gas, and ran four dyno pulls to determine horsepower and torque. Next, we accelerated to a corrected 70 mph, set the cruise control to keep the speeds consistent and ran the trucks dry again. This gave us a base line of each truck's unmodified power and fuel consumption.
We gassed up the trucks, installed our gas-savers and repeated the tests. (We didn't check for emissions, figuring most people who buy these products are fighting a holding action on their wallets, not on the environment.) Here are the gadgets and how they performed.
Arbitrageur
... all evidence points to it being powered by the battery.
Bedlam
The battery shouldn't be necessary, and in all these perpetual motion machines are actually there to run it, despite the distracting verbage to the contrary.
All he has to do is put a small generator on the shaft and hook it to the mirror motor. Yet he's avoiding it, and the reason why is clear.