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  #1  
Old 17-09-15, 15:00
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RichardT10829 RichardT10829 is offline
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Default Converting generator to alternator

hey folks, my generator finally packed up, it was never up to the challenge of charging a 12v system, but hey ho !!

I am wanting to go with an alternator, but need something that will work with my carrier fan extension bracket.... Has anyone successfully done this before ?

Cheers

Richie
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  #2  
Old 17-09-15, 16:46
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Richard
Not sure on the carrier ex bracket mod but I do know that on this side of the pond alternator conversions have been done on Ford flatheads.
A friend of mine did one on his 1937 coupe. A few years ago there was a gentleman in the US who was manufacturing brackets which fit in place of the generator bracket to adapt regular one wire alternators.
Maybe one of the big shops like Mac's does these now?
I have seen many types of brackets made for the purpose but the best style is one where the front of the alternator has been machined to accept the bracket as part of the intergral housing, giving the alternator the classic "look'' of a generator
With your fan extension you may be looking to a custom fabrication

Last edited by chris vickery; 17-09-15 at 17:53.
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  #3  
Old 17-09-15, 19:21
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The one I got from Jim is a copy of the old style generator but with an alternator inside. If it didn't fit straight on it must be a pretty simple modification to get it on the carrier mount.

Perhaps send the mount down so he can offer it up??

The Scout uses a standard truck style mount, the special bracket came along during the MK1's. I think theres a serial number in one of the British parts book.

You may need to modify your ammeter if its wired for a generator.
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  #4  
Old 17-09-15, 21:19
Lynn Eades Lynn Eades is offline
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Being a MkI*, i assume she has a 3 brush 6v generator that you put a 12 volt cut out on?
British carriers came with a "prince of darkness" model.
Basically you could put your drive end plate on a Lucas C39, if you can find a suitable armature to take your carrier drive dog.
An alternator needs higher rpm, and so will require a very small pulley.
It will be interesting to see what you do.
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  #5  
Old 17-09-15, 22:43
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On this side of the pond, we usually install a low cut in regulator into the alternator to facilitate the use of the OEM pulleys on lower rpm engines.
Many fellows doing a generator to alternator swap on old tractors and machinery opt for this as these machines spend more time idling than they do high rpm driving.
The GM 10SI alternator uses a one wire hookup to make things really easy.
I also found a guy in the USA who will build you an entire alternator inside the original generator field casing; outward appearance is that of a total stock generator with new alternator technology inside. Check out www.gener-nator.com

Last edited by chris vickery; 17-09-15 at 22:51.
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  #6  
Old 18-09-15, 01:34
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Chris, thanks for that info, I am having some charging issues with my Lucas on my HSC, might have to look into him.
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  #7  
Old 18-09-15, 01:55
Lynn Eades Lynn Eades is offline
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You could buy a small alternator that could have its "sticky out bits" machined off to fit it into your housing, a source being the likes of small Fiat tractors, and some of the small Japanese power packs.----Just some more thoughts----
A 6 volt geny can be converted to 12 volt by installing 12 volt field coils. The 6 volt armature can handle it, but a 12 volt armature is not up to it in a 6 volt application.
Most "run of the mill" batteries sold these days are "calcium" batteries (last 5 years or more). They tend not to work well in a generator application, so when you buy a battery for your old pride and joy, fitted with a generator, it would make sense to buy a suitable battery.
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