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Ford 9N, 2N & 8N Discussion Forum
Show Parts for Model:

Re: Starter just spins

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teddy52food

04-08-2014 03:01:40
184.94.175.179



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OK, lets look at it another way. Go to the tractor battery charts. Look up the size (dimensions ) of a 6 volt 500 amp battery. Then look up the size (dimensions) of a 12 volt 1000 amp battery. If what you are saying is true, they should be the same. Please post the results so we all can see.




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TheOldHokie

04-08-2014 05:15:58
71.176.191.252



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 Re: Starter just spins in reply to teddy52food, 04-08-2014 03:01:40  

teddy52food said: (quoted from post at 06:01:40 04/08/14) OK, lets look at it another way. Go to the tractor battery charts. Look up the size (dimensions ) of a 6 volt 500 amp battery. Then look up the size (dimensions) of a 12 volt 1000 amp battery. If what you are saying is true, they should be the same. Please post the results so we all can see.


No Teddy - once again you digress. You are hung up on cell size and ultimate output capacity and stubbornly refuse to look at anything beyond that.

You are unwilling to acknowledge the fundamental electrical behavior of the starting circuit as a function of the voltage applied to the fixed resistance windings of a DC motor. And until you are willing to get beyond that point you are never going to really understand the basic physics of why the same motor spins the same engine faster at 12V than it does at 6V.
Physics is nothing more than a mathematical explanation of why things behave as they do in real life. The physics of DC motor control and operation has been well established and experimentally confirmed starting with Michael Faraday's early experiments (1821), Joseph Henry's invention of an oscillating motor in 1831, and William Sturgeons invention of the first real rotary (commutator) electric motor in 1832. The electrical principles they pioneered have been taught to engineers for nearly two centuries now and the result has been the development of a vast array of electric motors of all types that permeate our daily life.

Here is a simple lesson from the Physics Department at the University of Texas (JMOR's Alma Mater???) that explains current flow in a DC motor circuit. You don't need a PhD. in physics to understand it.

The Direct Current Motor

That physics is EXACTLY how it works in real life and I'm pretty sure you and your carbon pile have not proven it to be wrong.
TOH
This post was edited by TheOldHokie at 09:04:41 04/08/14 2 times.

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Bruce (VA)

04-08-2014 06:47:33
24.125.183.11



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 Re: Starter just spins in reply to TheOldHokie, 04-08-2014 05:15:58  
OK, tnx to Albert Knowles, I now recall Teddy: " this is the same(teddy52food) joker that awhile back argued for days in support of a perpetual motion motion machine with output greater than its input. "

So, I think we are trying to teach a pig to sing; it just wastes our time & annoys the pig.

But, it is eye-opening to see such a public display of abject ignorance.

It's not the lack of basic electrical knowledge (we see that a lot) but the total & complete rejection of actually learning something that conflicts w/ his beliefs.

Maybe we shouldn't tell him where the sun goes at night......

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