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Old 08-17-2020, 08:33 AM   #1
gridleak
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Default 12 volt horn

I picked up a Klaxon 5 horn marked 12 volts. this one has the reverse flare. My question is which cars of the 20s era use 12 volts?
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Old 08-17-2020, 08:55 AM   #2
1931 flamingo
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Default Re: 12 volt horn

None to my knowledge.

Paul in CT
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Old 08-17-2020, 09:14 AM   #3
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Default Re: 12 volt horn

Without going to early motor manuals, Dodge for one up till about 1926. I am working on a 1920.
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Old 08-17-2020, 09:39 AM   #4
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Default Re: 12 volt horn

Quote:
this one has the reverse flare
Please explain "reverse flare".
Tnx, Ken
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Old 08-17-2020, 09:46 AM   #5
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Default Re: 12 volt horn

Late friend of mine in Hershey had Model A horns labeled 12v & 6v. Asked how they 12. He said "do not sound good on 6".
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Old 08-17-2020, 10:36 AM   #6
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The large end of the horn is connected to the horn motor and the horn tapers smaller towards where the sound comes out.
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Old 08-17-2020, 01:05 PM   #7
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Smile Re: 12 volt horn

Ken I am glad you asked what is a reverse flare and not why.
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Old 08-17-2020, 05:38 PM   #8
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Default Re: 12 volt horn

I've seen plenty of horns with the "business" end smaller than at the motor end.
As for which cars were 12 volts in the 1920's - Dodge were and just about every non American car. Not sure about Chevrolet. I think Ford were about the last to go to 12v in the 50's.
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Old 08-19-2020, 09:42 PM   #9
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Default Re: 12 volt horn

Chevrolet was 6 too.
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Old 08-20-2020, 03:21 PM   #10
Purdy Swoft
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Default Re: 12 volt horn

Chevrolet went to twelve volts in 1955 Ford in 1956
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