[Healeys] Mount a coil on an alternator.

[Bob Spidell]

Simon, 

My knowledge of electronics is limited, but I do know the basics. I can't think of any reason you couldn't fasten a coil to an alternator, except maybe their shape isn't as convenient for such use. Alternators are generators--my 2008 Mustang's shop manual even calls them that--the only difference is how the unit converts alternating current to direct current, which is needed for charging the battery and for most other electrical needs in a car. Generators physically 'commute'--the more contemporary term is 'rectify'--the AC with brushes and the segmented commutator--hence the name--while alternators commute the AC with diodes. If anything, alternators produce less electromagnetic interference--EFI--than generators since there is less chance of creating a spark. Alternators are more efficient--correct me if I'm wrong here--because without brushes they can be spun faster for a given engine speed (note alternator pulleys are usually smaller than generator pulleys). 

I do think a coil mounted on an alternator would look silly, but that's just me. 

Cheers, 
Bob 


----- Original Message -----

From: "Simon Lachlan" <simon.lachlan at homecall.co.uk> 
To: josef-eckert at t-online.de, "Forum' 'Healeys" <Healeys at autox.team.net> 
Sent: Friday, December 23, 2016 1:35:38 PM 
Subject: Re: [Healeys] Mount a coil on an alternator. 



Thank you for this. As ever, all advice sought is welcome. However....per my comment to your answer to my (previous) BJ8 questions, it would be really helpful if you applied your huge enthusiasm and knowledge to the question asked. I’m sure that your knowledge is encyclopaedic, but maybe, when you’re asked a simple question by a simple person, for once give a simple answer. 

Simon 




From: josef-eckert at t-online.de [mailto:josef-eckert at t-online.de] 
Sent: 23 December 2016 21:07 
To: Simon Lachlan; Healeys, Forum 
Subject: AW: [Healeys] Mount a coil on an alternator. 




People who swap a generator for an alternator like to modify in any way. Anybody who knows more about electrics know there is no need for an alternator at all on Healeys. its only to adjust the rehulator to work as it should. But that´s to difficult for most I suspect. 

those selling these alternators are quite happy to sell them as people like to modify and they also sell you one of these performance coils and they need to be kept cool and best is to put the coil in the boot to keep it cool. Haven´t seen that so far but can´t await to see it. 



Josef Eckert 

Konigswinter/Germany 







-----Original-Nachricht----- 

Betreff: [Healeys] Mount a coil on an alternator. 

Datum: 2016-12-23T21:57:44+0100 

Von: "Simon Lachlan" < simon.lachlan at homecall.co.uk > 

An: "'Healey Group'" < healeys at autox.team.net > 








I’ve had an alternator in my BT7 for a while now. 

So, when I was doing the job, I looked at pictures of other people’s installations. Nobody’s coil was mounted on the alternator as coils were/are mounted on the generators. 

I didn’t mount mine on the alternator either. 

Now, I’m wondering why everybody found ingenious places to put the coils and nobody ingeniously adapted their brackets to fit onto their alternator. 

Do alternators get too hot? Do they give off some kind of magic death ray that fries coils or what?? 

Any reasons not to do it?? 

Thanks, 

Simon 



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