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Horns part two

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Andy

12-07-2001 19:08:47




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I have had my starter apart when I bought it, as the starter wouldn't turns. It was loaded with dirt and bugs and rust and lots of other stuff. After I got it apart I found every thing inside it pretty well worn. The brushes corrode in their sockets, the commutator pretty well burned, the insulation on the field coils gone, the drive pinon froze in the engaged position, and on and on. After some hours of cleaning and repairs it works, however it will never be as good as new. The generator was a jury rig from the start and had a block of wood in place of a tensioner. I suspect the voltage regulator never worked from the start, hence the new 6v battery. to no suprise they would dry up and burn the plates. The alternator I have is a spare (new) I will likley use on my hot rod if I don't put it on my tractor (also vintage steel. A '23 ford TT). I have sized up some brackets and they pose no problem to fabricate. I also have a brand new wiring harness for the 6 volt system. I have nothing against 6 volt systems, excepting the cost to replace the missing parts. Hundred and a half for the gen, thirty or so for the reg, Who knows how much for the original brackets? Versus free for an alternator, free for the brackets, buck or two for the resistor, but hundred buckish for a 12 volt battery. And a handful of wire and terminals that I already have. Another though I had, and I wonder if any one has tried it, is to wire the 12v alt into the voltage drop resistor to charge the 6 volt system. The only problem I could see would be the exciter wire for the three wire gm alternator,which could be overcome by the use of a one wire alternator

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DavidO

12-10-2001 09:37:33




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 Re: Horns part two in reply to Andy, 12-07-2001 19:08:47  
I converted to 12 Volts for the same reason. The cost of replacing the bad 6 volt parts far exceeded the cost of conversion, plus it is easier to maintain, etc. No need to spend $100. for a 12 V battery. Shop around. Dropping 12V to 6V on the charging circuit by using a resistor would not be very practical. In the small current coil circuit dropping 12V to 6V is one thing, but in the charging circuit it is very different because of the high current. The Voltage regulator drops the voltage by opening and closing a set of points which gives an average voltage. To drop the voltage using a Resistor would dissipate (loose) half of the power of the charging circuit as heat. Besides, it would take a very large resistor and it would get very, very hot.

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Thanks Dell, I'll

12-07-2001 19:40:31




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 Re: Horns part two in reply to Andy, 12-07-2001 19:08:47  
Thanks Dell I'll go ahead with the 12v conversion and do it right. Guess I was just looking for permission fron the master.



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don't . . . Dell (WA)

12-07-2001 19:22:33




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 Re: Horns part two in reply to Andy, 12-07-2001 19:08:47  
Andy..... ..don't even try to bastardize your electrical system. Done right, the 12 volt conversion is a joy. Done wrong, a nightmare.

I'm a 12 volt advocate for the right reasons, that said, I haven't found the right reasons for me and I know how to do it right. But it sounds like you have the right reasons to do a 12 volt conversion.

Do it, you have my permission (grin)..... .Dell



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