[Healeys] Mount a coil on an alternator.
Oudesluys
coudesluijs at chello.nl
Sat Dec 24 07:26:20 MST 2016
Hi Josef,
Well...., increase the diameter of the wires from/ to the alternator and
the H4 bulbs if fitted. The old head light bulbs are to dim for modern
traffic conditions and you will also need an electric cooling fan to
keep you out of trouble.
In my view it is advisable and permissible to make small adaptions to
an old vehicle if you want to use and enjoy it in modern traffic. You
cannot travel the same way any more as in the olde days.
Cheers,
Kees Oudesluijs
Op 24-12-2016 om 15:00 schreef josef-eckert at t-online.de:
>
> Kees,
>
> There is never a need for additional power, except your regulator is
> not well tuned. Better to set the regulator right. The wiring in an
> Austin-Healey is not prepared to take the up to more than double
> output current of an alternator. The cables can get hot, can melt and
> get brittle inside the wiring loom. Same can happen when switched from
> ordinary headlights to H4 halogen headlights. The feeding cables are
> too thin for the current flowing through.
>
> Josef Eckert
>
> Konigswinter/Germany
>
> -----Original-Nachricht-----
>
> Betreff: Re: [Healeys] Mount a coil on an alternator.
>
> Datum: 2016-12-24T14:01:08+0100
>
> Von: "Oudesluys" <coudesluijs at chello.nl>
>
> An: "healeys at autox.team.net" <healeys at autox.team.net>
>
> The main reason for changing to an alternator is that it produces a
> high(ish) charging current starting at low speeds, usually around 35A
> (e.g. Lucas 100). Therefore the total output is higher. Especially if
> you drive the car with headlights on all the time and/or have an
> electric radiator fan, high power radio etc. you are better of with an
> alternator. It also is easier to maintain thus more reliable than a
> generator plus regulator.
> Most generators produce 20-25A max. at high speed but will barely cope
> as they do not charge much if at all at low speeds.
> Kees Oudesluijs
>
>
> Op 24-12-2016 om 4:01 schreef 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
> ------------------------------------------------------------------------
> *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
> <mailto:simon.lachlan at homecall.co.uk>>
>
> An: "'Healey Group'" <healeys at autox.team.net
> <mailto: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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>
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