albertz
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| posted on 22/2/09 at 06:29 PM |
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Small alternator
I have been working at my car today for the first time in a long time, and sadly the same problems are still there that i had the last time i worked
on it!!
I am really struggling to get an alternator that is small enough diameter to fit onto my blacktop Zetec engine and clear the 'Griffin Power
Systems' inlet plenum and the chassis.
I currently have a Lucas LRA100 which i believe is quite small compared to others, i can get this mounted, but cant get the rotation to allow it to be
tensioned.
Previously i have looked at another alternator, i think it was from a Kubota tractor, but it was too large a diameter (although it was nice and
short).
Any suggestions on where i might get a narrow diameter alternator would be much appreciated, as this appears to be the last major issue i have to
resolve now.
Any help appreciated, cheers.
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jacko
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| posted on 22/2/09 at 06:31 PM |
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Have a look in Dunk3 photos it may help you sort the problem
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chrisg
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| posted on 22/2/09 at 06:33 PM |
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The usual one people fit is the bedford rascal/Suzuki van one - it's very small, but kicks out enough juice.
Cheers
Chris 
Note to all: I really don't know when to leave well alone. I tried to get clever with the mods, then when they gave me a lifeline to see the
error of my ways, I tried to incite more trouble via u2u. So now I'm banned, never to return again. They should have done it years ago!
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t16turbotone
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| posted on 22/2/09 at 06:36 PM |
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DAIHATSU A073 is another you could look at
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albertz
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| posted on 22/2/09 at 06:46 PM |
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Thanks for the quick replies. I have just had a look at Dunk3's setup and he has gone to the other side of the engine, i was trying to use the
inlet side. Maybe i need to investigate that option as well.
I will certainly also look at the alternatives suggested, probably start with an Ebay trawl...
Any other suggestions welcome. Thanks.
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philw
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| posted on 22/2/09 at 06:47 PM |
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How about this same as a Daihatsu alternator http://upload8.postimage.org/300671/photo_hosting.html
[Edited on [1235677687R0=072828p: by philw]
[Edited on [1235677752R0=072828p: by philw]
[Edited on [1235677797R0=072828p: by philw]
[Edited on [1235677820R0=072828p: by philw]
Must try harder
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Bigheppy
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| posted on 22/2/09 at 06:52 PM |
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When you say cant get enough rotation to tension, is that the alternator? why dont you use an idler pulley fitted somewhere convenient to tension your
belt.
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SeaBass
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| posted on 22/2/09 at 06:55 PM |
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^^^^^^
That picture above is exactly the same as my setup on the Blacktop in a book chassis. My alternator came of a tiny suzuki in the scrapper. I also
picked up another tiny alternator for the new project via ebay. I think it was originally a spare part for a Kubota garden tractor but it's
rated at 40A - more than enough.
All the small ones are made by Nippon-Denso corp. Japan.
JC
[Edited on 22/2/09 by SeaBass]
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albertz
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| posted on 22/2/09 at 07:11 PM |
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I have recently fitted a fixed idler pulley on the other side of the engine for the same belt. Maybe i should look at modding that pulley to give me
an adjustable tensioner, as you suggest.
I did notice that Dunk3 has done something similar with the same idler pulley.
I will investigate this a little further. Thanks.
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g.gilo
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| posted on 22/2/09 at 07:14 PM |
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alt
hi again
just seen your alternator post , i have a couple of very small nippon ones, will sort out tommorow and tell you what i found.
graham.
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albertz
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| posted on 23/2/09 at 01:16 PM |
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Does anyone have any photos of the idler pulley on a blacktop Zetec being made adjustable?
Long shot, but worth an ask!
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coozer
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| posted on 23/2/09 at 01:58 PM |
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Here's mine, I couldn't get the unit under the inlet either so mine went on the exhaust side.
Idler pulley isn't adjustable but alternator is.
 
Rescued attachment P1000022.JPG
1972 V8 Jago
1980 Z750
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coozer
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| posted on 23/2/09 at 02:01 PM |
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another....
 
Rescued attachment front.jpg
1972 V8 Jago
1980 Z750
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nz_climber
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| posted on 24/2/09 at 09:07 PM |
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Not the same engine, but will give you an idea.
I ended up mounting the alternator solid, and then using the old p/s pump tensioner in a custom mount, mine is on the exhaust due to drysump pump, but
will work on the other side too.
http://aarons7.wordpress.com
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