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Overunity Machines Forum



Feedback To Source

Started by nievesoliveras, December 21, 2008, 11:28:28 AM

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0 Members and 13 Guests are viewing this topic.

Paul-R

Quote from: nievesoliveras on May 14, 2009, 09:49:07 AM
Thank you @johnnymx !

I have never measured the horse power of a motor.
Honestly, I dont know how to do it...
The motor needs to be coupled up to a load of some sort.

You may then:
1. measure the current going to the motor
2. measure the voltage across it
3. Multiply these together to get the power.

But if you have weird stuff going on, like spikes, phase differences between
the voltage and the current, it might be better to use a "prony brake":
http://en.wikipedia.org/wiki/De_Prony_brake
http://www.tpub.com/content/engine/14037/css/14037_53.htm
Paul.



nievesoliveras

Quote from: Paul-R on May 14, 2009, 10:29:26 AM
The motor needs to be coupled up to a load of some sort.

You may then:
1. measure the current going to the motor
2. measure the voltage across it
3. Multiply these together to get the power.

But if you have weird stuff going on, like spikes, phase differences between
the voltage and the current, it might be better to use a "prony brake":
http://en.wikipedia.org/wiki/De_Prony_brake
http://www.tpub.com/content/engine/14037/css/14037_53.htm
Paul.

Thank you @paulr !

I do expect that this answer can help on knowing the horsepower of the cap discharge motor posted above.

Jesus

Paul-R

Quote from: nievesoliveras on May 14, 2009, 04:41:13 PM
Thank you @paulr !

I do expect that this answer can help on knowing the horsepower of the cap discharge motor posted above.

Jesus
cap discharge.... that sounds like a case for putting a drum on the motor shaft, and running a leather strap with spring balances.

If you visit your local school and ask to speak to the Head of Physics, they might have a prony brake that you could borrow for a couple of weeks.
Paul.

johnnymx

i don't think this formula apply to my motor thanks a lot anyways

nievesoliveras

@all

These are the photos of the commutator and brushes assembly.
I used iron wire instead of strips of copper as bruhses.

Next step is to add a locking nut after testing for the right way to put the commutator in relation to the magnets. The timing.

Other thing is the wiring configuration and to repair the pulse motor parts that are loose because of the handling.

Jesus