[Healeys] Lucas Sports Coil

[Michael Salter]

I would never deem to use anything but Imperial Ohms.😉

On Sun, Apr 28, 2019, 11:02 AM i erbs, <eyera3000 at gmail.com> wrote:

> Are thoes metric or standard ohms :)
>
> Ira Erbs
> Portland, OR
> typos and artifacts are the fault of my phone
>
> On Sun, Apr 28, 2019, 7:30 AM Michael Salter <michael.salter at gmail.com>
> wrote:
>
>> Regarding the coil resistance
>> I pulled out my Fluke meter and got exactly the same results....  these
>> are B12 coils used on the early BN1 and many other cars including the
>> Jaguar XK120.
>> [image: image.png]
>>
>>
>> Turns out that primary resistance between 4.2 and 4.6 is actually correct
>> for these, unlike the later styles.
>>
>> You learn something every day..
>>
>> M
>>
>> On Sun, Apr 28, 2019 at 8:56 AM Michael Salter <michael.salter at gmail.com>
>> wrote:
>>
>>> Well that's really weird because the one on my car reads 4.6 and works
>>> fine ... has for ages ... I think I might have to check my ohmmeter 😳
>>>
>>> On Sun, Apr 28, 2019, 8:41 AM josef-eckert at t-online.de, <
>>> josef-eckert at t-online.de> wrote:
>>>
>>>> Primary resistance of 2.7 to 3.3 Ohms is right. It doesn´t matter if
>>>> its an ordinary or a so called Sports Coil. When its 4.5 to 5.5 Ohms the
>>>> coil is gone. You can bin it.
>>>>
>>>>
>>>>
>>>> Josef Eckert
>>>>
>>>> GERMANY
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> -----Original-Nachricht-----
>>>>
>>>> Betreff: Re: [Healeys] Lucas Sports Coil
>>>>
>>>> Datum: 2019-04-28T14:35:19+0200
>>>>
>>>> Von: "Michael Salter" <michael.salter at gmail.com>
>>>>
>>>> An: "Michael MacLean" <rrengineer.mike at att.net>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> 2.8 seems low to me Michael. I have some original early 100 coils that
>>>> I'm just cleaning up to put on Ebay and they show readings of around 4.5 -
>>>> 5.5.
>>>> Of course that might be a difference between regular and sport coils.
>>>>
>>>> M
>>>>
>>>> On Sat, Apr 27, 2019, 5:57 PM Michael MacLean, <rrengineer.mike at att.net>
>>>> wrote:
>>>>
>>>>> I have a period Lucas Sports Coil type SA-12 for my BN2.  I have not
>>>>> tried it yet.  Can anyone give me the specs on it?  I get a reading on my
>>>>> VOM of 2.8 ohms between the two outer connections and 9,400 ohms for the
>>>>> center to one outer connection.  Is this coil weak or is this correct?
>>>>> Mike MacLean
>>>>> _
>>>>
>>>> 
>>>>
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