Author Topic: magnet piston engine  (Read 40175 times)

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GoVertical

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Re: magnet piston engine
« Reply #33 on: September 23, 2014, 07:36:23 PM »
https://www.youtube.com/watch?v=9SbqR6BVDsg&feature=youtu.be



PMA installed, I am now the proud owner of manually operated gravity assisted electric generator. ;D
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Bruce S

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Re: magnet piston engine
« Reply #34 on: September 24, 2014, 01:49:35 PM »
What kind of stats are you getting from it?
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GoVertical

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Re: magnet piston engine
« Reply #35 on: September 24, 2014, 03:54:52 PM »
Hi, I will post results when available. Without MPPT all it will do is heat up the stator. All the early idea's proved to be good on paper but not in the real world. I damaged all my MPPT circuit during earlier max testing so I have to order some replacements part.  :-[  But I had to find out the circuit limits and the problem areas.

I am expecting around 10 amps at 12 volts.
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GoVertical

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Re: magnet piston engine
« Reply #36 on: September 24, 2014, 08:10:19 PM »
Correction, maybe 5 amps at 12 volts. ;D
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gizmo

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Re: magnet piston engine
« Reply #37 on: September 25, 2014, 03:28:06 AM »
What will you be using as the energy source?

GoVertical

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Re: magnet piston engine
« Reply #38 on: September 25, 2014, 05:57:08 AM »
Hi, human power, it is like pushing someone on a swing.
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GoVertical

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Re: magnet piston engine
« Reply #39 on: September 25, 2014, 08:57:33 AM »
https://www.youtube.com/watch?v=rxIRaJlTD4Y

https://www.youtube.com/watch?v=gTWwp5qUY3U

interesting, a torque multiplier

maybe a better approach than a pendulum,  then a small dc motor could drive the input


It would still take advantage of gravity and mechanical advantage.  It looks like when they did the math they forgot to use all the input forces at the input just to grab headlines.
« Last Edit: September 25, 2014, 09:04:50 AM by GoVertical »
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dbcollen

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Re: magnet piston engine
« Reply #40 on: September 25, 2014, 11:03:34 AM »
Are you just building a Rube Goldberg machine to waste energy, or is there a point to all this?

GoVertical

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Re: magnet piston engine
« Reply #41 on: September 25, 2014, 12:57:50 PM »
Hi, searching for away to generate electricity using gravity, mechanical advantage, and small amount electricity at the input.

Do you have a better idea ??? 

The pendulum will work with a Attwater drive but requires reset.
And using water is not allowed. ;D
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dbcollen

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Re: magnet piston engine
« Reply #42 on: September 25, 2014, 01:56:07 PM »
So, you are looking to harness power from mechanical advantage and gravity and get more power out than you are putting in electrically?

GoVertical

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Re: magnet piston engine
« Reply #43 on: September 25, 2014, 03:09:55 PM »
Hi, a small amount of electricity at the input, plus a falling weight on a lever arm will produce a total torque at the output shaft. The energy generated from the torque at the output will  NEVER exceed the the total input.
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Bruce S

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Re: magnet piston engine
« Reply #44 on: September 25, 2014, 04:04:44 PM »
GoVertical;
Not to worry too much.
The Mods and GMs have already asked and reminded about the whole OU thing  :o.
We also know you understand that WE have to ask to keep those who try to sneak that "s%^&" into forums like this one.
Keep posting!

Ya know, your last statement could very well be used as a term for the Automobile alternator  8).
A little voltage input is used to regulate the voltage output that is generate by use of torque.

Cheers
Bruce S
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dbcollen

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Re: magnet piston engine
« Reply #45 on: September 25, 2014, 10:39:16 PM »
The energy generated from the torque at the output will  NEVER exceed the the total input.

So you are making a Rube Goldberg machine to waste energy

GoVertical

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Re: magnet piston engine
« Reply #46 on: September 26, 2014, 04:33:19 AM »
All motors waste energy.
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GoVertical

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Re: magnet piston engine
« Reply #47 on: September 26, 2014, 05:18:09 AM »
https://www.youtube.com/watch?v=hj8fOg5mlQw




Hi, in the spirit of Mr. Goldberg design's here is a possible solution to reduce the require input energy for operation. It will require some experimentation to determine the magnet track configuration. :o
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Bruce S

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Re: magnet piston engine
« Reply #48 on: September 26, 2014, 10:07:02 AM »
I like the way the pendulum swing arrow make a smiley face  ;D
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gizmo

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Re: magnet piston engine
« Reply #49 on: September 26, 2014, 06:45:03 PM »
No matter how complicated you make this thing, and how much "assistance" you provide from gravity or magnets or springs or whatever, at the end of the day, if you took the handle, the F&P, threw the rest in the bin, and mounted the handle directly onto the F&P, it would be more efficient and generate more power.

Sorry GoVertical, but unless your doing this for fun, your wasting your time. But that said, I envy your workmanship.

GoVertical

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Re: magnet piston engine
« Reply #50 on: September 26, 2014, 08:15:36 PM »
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dbcollen

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Re: magnet piston engine
« Reply #51 on: September 26, 2014, 09:09:59 PM »
Correction, maybe 5 amps at 12 volts. ;D

Then how much energy do you expect it to take to power it?

GoVertical

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Re: magnet piston engine
« Reply #52 on: September 27, 2014, 03:26:02 AM »
Hi, without the MPPT circuit I am not able to limit the output. Because the the F&P has really high stator resistance the device when manually operated  stalls. This tells me most of the power being produced is wasted as heat at the stator.

This video explains  the problem.
https://www.youtube.com/watch?v=0TE38SOdf64

I have identified a few problems areas. I have to make modifications and add the MPPT. I will post results when available.
It is the best answer I can provide at this time.

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gizmo

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Re: magnet piston engine
« Reply #53 on: September 27, 2014, 04:35:05 AM »
Whats the desired output voltage? Have you rewired the F&P to suit? The F&P, if used correctly, can reach over 90% efficiency. Are you using this thing to charge a battery?

GoVertical

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Re: magnet piston engine
« Reply #54 on: September 27, 2014, 05:56:08 AM »
Hi, I think I found the correct wiring scheme. I have to rewire the F&P for 2 coils in series.

http://www.thebackshed.com/windmill/FPRewire.asp

What RPM range is considered high speed?

Yes, charging batteries.

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dbcollen

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Re: magnet piston engine
« Reply #55 on: September 27, 2014, 10:33:08 AM »
to get 5a at 12v out of this contraption, how much power will it take to drive it?

GoVertical

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Re: magnet piston engine
« Reply #56 on: September 27, 2014, 11:41:09 AM »
Hi, I have finish fabrication, then test. Then I will post results. At this time I do not know.
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GoVertical

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Re: magnet piston engine
« Reply #57 on: September 27, 2014, 07:38:35 PM »
correction: I have to finish fabrication
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GoVertical

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Re: magnet piston engine
« Reply #58 on: October 03, 2014, 09:44:02 PM »

Hi, I had thought it was a original idea but someone has beat me to it. Nice pdf showing what my project will be. The only difference is I am adding a MPPT circuit.
« Last Edit: October 06, 2014, 10:51:26 AM by Bruce S »
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GoVertical

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Re: magnet piston engine
« Reply #59 on: October 03, 2014, 10:05:58 PM »
Correction: a gear box and a MPPT circuit.
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DamonHD

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Re: magnet piston engine
« Reply #60 on: October 04, 2014, 03:02:43 AM »
But that is an OU machine.  I don't really even want that linked from FL...

Rgds

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GoVertical

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Re: magnet piston engine
« Reply #61 on: October 04, 2014, 06:24:33 AM »
Hi, you are forgetting to include the gain from mechanical advantage and the force added from gravity of the falling mass. It is not OU.
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dbcollen

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Re: magnet piston engine
« Reply #62 on: October 04, 2014, 12:29:47 PM »
Hi, you are forgetting to include the gain from mechanical advantage and the force added from gravity of the falling mass. It is not OU.

There is NO "gain" from mechanical advantage, just a trade of forces and a LOSS of energy. There is also NO energy added from gravity, any energy you take from gravity has to be replaced (lifted back up) by an input of energy, so it is a NET LOSS!!!!

Admins;
This is obviously an attempt at OU, all the youtube links are OU related. unless you are blind you would see that. I request once more that you delete this thread, OU is off limits on this forum. Please do your job and enforce the rules.

GoVertical

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Re: magnet piston engine
« Reply #63 on: October 04, 2014, 01:20:00 PM »
Hi, it is torque multiplier. It is ok to delete the thread. I will finish the build, test, and send the results to a administrator before I post again. It is not worth the argument. Cheers.
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hiker

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Re: magnet piston engine
« Reply #64 on: October 04, 2014, 03:48:50 PM »
keep the post on...........at least the guy is trying to build something..!  kinda interesting as well.............
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gizmo

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Re: magnet piston engine
« Reply #65 on: October 04, 2014, 11:38:51 PM »
I agree, lets see where this goes. If nothing else it will teach.

Like others have said, you can not use gravity to add energy to a device, except for the first cycle. After the initial boost, you need to put more energy back in to get the same power boost out again. It will ALWAYS be a net loss of power.

Once the device is completed, I would like to see a scientific approach to measuring the efficiency. Use a DC electric motor attached to the devices input, and measure the DC motors voltage and current to see how much power you are putting in. At the same time, use a dump load on the output of the device, and measure the volts and amps again to measure output power. From this you can work out how efficient the device was.

Once you have your power in and out figures and the overall efficiency of your device, remove everything except the F&P, and again use the DC motor, and dump load to measure the power in and power out. This will give you another efficiency measurement. In both tests, the motor and F&P need to be running at the same RPM, and the load resistance also need to be the same to reduce errors and the effects of power curves of the F&P and motor.

I'll bet my testicles the 2nd test was more efficient. Like I said earlier, you would be better off just sticking a crank handle directly onto the F&P.

Glenn