[Healeys] Ignition Circuit

Sun May 26 15:20:59 MDT 2019

/Both an alternator would deliver sufficiently and a generator better 
than that at normal speeds./

Should of course read :

*Both a generator and an alternator would deliver sufficiently and an 
alternator better than that at normal speeds.*

Sorry for the confusion.
Kees Oudesluijs*
*
*
*
*
*
/
/
//Op 26-5-2019 om 22:44 schreef Kees Oudesluijs:
>
> I do not think the generator will deliver more than about 25-30A at 
> high revs. on a good day. A period alternator will give you 32-36A at 
> moderate revs.
>
> The fan will normally only be switched on in dense traffic at low 
> speed, when a generator is not producing many amps. An alternator 
> would do slightly better.
>
> Both an alternator would deliver sufficiently and a generator better 
> than that at normal speeds unless there are other accessories drawing 
> a lot of power: e.g. head lights, spotlights, heater fan, windscreen 
> wipers, modern high power radio, AC etc.
>
> Kees Oudesluijs
>
>
>
> Op 26-5-2019 om 22:11 schreef Michael Oritt:
>> Make that 7 amps--not 78....
>>
>> Best--Michael Oritt
>>
>>
>> On Sun, May 26, 2019 at 4:10 PM Michael Oritt 
>> <michael.oritt at gmail.com <mailto:michael.oritt at gmail.com>> wrote:
>>
>>     Patrick--
>>
>>     If, as you say, the car is always in a state of discharge when
>>     the fan is running I would be concerned for the state of your
>>     charging circuit.  I assume you have a generator if you have an
>>     ammeter and
>>     I believe the generators on Healeys are rated at 30 amps which
>>     should be more than sufficient to keep up with the draw of an
>>     auxiliary fan: the SPAL site rates their fans as drawing no more
>>     than 78 amps (https://www.a1electric.com/catalog/cat_spal.htm).
>>
>>     Best--Michael Oritt
>>
>>     On Sat, May 25, 2019 at 4:28 AM Kees Oudesluijs
>>     <coudesluijs at chello.nl <mailto:coudesluijs at chello.nl>> wrote:
>>
>>         Nothing to worry about. The fan is drawing a lot of amps
>>         which will result in a negative charge hence the ign. light
>>         is coming on, probably only when idling. Before you most
>>         likely had the fan wired directly from the main circuit in
>>         series with the Amp. meter and not through the ignition
>>         circuit so the light might not show. You could operating the
>>         fan using a relay switched on by the under dash switch but
>>         getting the main current from the battery. It will not solve
>>         the negative charge but it may avoid the light coming on.
>>
>>         Perhaps the fan is a bit to powerful and drawing more Amps
>>         than necessary. However the fan is only on for a very short
>>         while unless in prolonged very heavy traffic and on long and
>>         slow steep inclines
>>
>>         The best way is to revert to the old situation with the
>>         thermo-switch (wired through the ignition circuit and use the
>>         manual switch as an override switch so when you switch of the
>>         ignition the fan will not work. These should switch a relay
>>         with the main current coming directly from the main circuit
>>         with the Ampmeter
>>
>>         Use a thermo-switch tot cuts in at say 90-95°C and cuts out
>>         at about 5-10°C over the opening temperature of the thermostat.
>>
>>         Kees Oudesluijs
>>
>>
>>
>>         Op 25-5-2019 om 09:17 schreef Patrick & Caroline Quinn:
>>>
>>>         Hello
>>>
>>>         Seeking advice from those who understand automotive electrics.
>>>
>>>         My real Healey has an electric fan in front of the radiator
>>>         that was controlled by a thermo switch. Worked reasonably
>>>         well, but drew quite a bit of power but nothing concerning.
>>>         When on, the amp gauge needle would always hover in the
>>>         negative.
>>>
>>>         Personally I don’t like thermo switches, so the fan has now
>>>         been wired direct and operated by a discreet switch under
>>>         the dash. Power is taken directly from the outgoing side of
>>>         the ignition switch so that the fan only comes on when the
>>>         ignition is on along with the specific switch.
>>>
>>>         Works well, but now when the fan goes on the ignition light
>>>         is illuminated and will not go out.
>>>
>>>         Does that mean that the ignition circuit doesn’t like what I
>>>         have done? I am thinking of taking the power direct from the
>>>         incoming side of the ignition switch so that the fan is
>>>         powered direct from the battery. Would that work?
>>>
>>>         Any electrical whizzes out there?
>>>
>>>         Thanks
>>>
>>>         Patrick Quinn
>>>
>>>         Blue Mountains, Australia
>>>
>>>
>>>         <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=emailclient>
>>>         	Virus-free. www.avast.com
>>>         <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=emailclient>
>>>
>>>
>>>         <#m_-1809673902067552239_m_6620321412179458365_m_-1022862323478581469_DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2>
>>>
>>>         _______________________________________________
>>>         Support Team.Nethttp://www.team.net/donate.html
>>>         Suggested annual donation  $12.75
>>>
>>>         Archive:http://www.team.net/pipermail/healeys  http://autox.team.net/archive
>>>
>>>         Healeys at autox.team.net  <mailto:Healeys at autox.team.net>
>>>         http://autox.team.net/mailman/listinfo/healeys
>>>
>>>         Unsubscribe/Manage:http://autox.team.net/mailman/options/healeys/coudesluijs@chello.nl
>>>
>>         _______________________________________________
>>         Support Team.Net http://www.team.net/donate.html
>>         Suggested annual donation  $12.75
>>
>>         Archive: http://www.team.net/pipermail/healeys
>>         http://autox.team.net/archive
>>
>>         Healeys at autox.team.net <mailto:Healeys at autox.team.net>
>>         http://autox.team.net/mailman/listinfo/healeys
>>
>>         Unsubscribe/Manage:
>>         http://autox.team.net/mailman/options/healeys/michael.oritt@gmail.com
>>
>
> _______________________________________________
> Support Team.Net http://www.team.net/donate.html
> Suggested annual donation  $12.75
>
> Archive: http://www.team.net/pipermail/healeys http://autox.team.net/archive
>
> Healeys at autox.team.net
> http://autox.team.net/mailman/listinfo/healeys
>
> Unsubscribe/Manage: http://autox.team.net/mailman/options/healeys/coudesluijs@chello.nl
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://autox.team.net/pipermail/healeys/attachments/20190526/e22bfa5f/attachment.html>