Hi Ron,
I just did my setup yesterday.
Here are my experiences. Systems fitted with dynamos are rarely charging
13.6 at idle (esp. if idling speed of the engine is as low as on a Healey) .
They usualy only "come in" to turn of the ign. light, but not much charge at
all. Normaly I get the right 14.2-14.4 charge at 1000-1200rpm. Anything
above 15V should be considered faulty. Overcharging will boil the battery
and may even kill some units (like bulbs, electric rev counters etc).
Voltage drop should be checked with the engine reved a bit (let say 2K). The
drop should not be significant there.
Gergo
2011/8/1 Ron Mitchell <healeyron@yahoo.com>
> B Hi,
>
> I'm in need of some expert advise on the proper operation of a Lucas
> Charging System.B Here is my concern.
>
> I recently had my C45-P5 Generator
> rebuilt.B After installing it with a Part No. 37206 RB
> 108 2 B 12V. NOS Lucas
> control box I
> cleaned the points and adjusted the point settings per
> instructions from Lucas
> Technical Correspondence course session
> 5.
> B
> I then
> conducted B the test as instructed by the Technical
> Correspondence course
> session 5.
> I installed a Volt Gage to confirm that the idiot light
> is
> accurately informing me of a valid charging system.
>
> At idle speed the system
> is charging at 13.6 volts.B At highway speed with RPMb s around 2500 to
> 3000
> RPM the system is charging at 15.6 to 16 volts.B This conforms to the
> stationary tests I've conducted of the
> system.
> When I turn the lights on Ib m
> only charging around 13.5
> volts at speed or idle.
> B
> My questions are should
> the charging system be that
> dramatically different with the lights on?B
> Will my Generatorb s armature overheat from constantly trying to charge
> the
> battery with the settings I have set it to?B
>
> Will charging values at 15.6
> to 16 Volts at highway speeds overcharge the
> Battery and boil out the fluids.
> B
> I havenb t found any answers to these questions on the
> internet so I
> thought I would ask the experts.
> B
> My questions are prompted by an incident
> last year whenB I experienced a generator failure after leaving Encounter
> 2010.B I had a shop in Elkton Maryland where my
> daughter lives install a
> Generator and Control Box to the tune of $675
> dollars.B After leaving my
> daughters house
> in Elkton I had a complete electrical failure about 300 miles
> out and 365 miles
> from my home.B I had the car flat bedded
> home by AAA.B
> That was an additional $927
> to add to the repairs cost.B The Generator
> re-builder that I use said that the armature had overheated and thrown out
> all
> the
> solder.B He felt the cause was an
> improperly adjusted Control Box.B I
> just
> want to make sure that my system is working properly and Ib m not going
> to
> destroy another generator.
>
>
> FOOTNOTE:B If you're ever in Elkton, MD and
> need service on your classic or domestic car, steer clear of Chris's
> Domestic
> & Foreign Car Service.B He wouldn't stand behind any of his complete
> service
> and parts warranty.
>
> B
> Any input will be appreciated.
> Ron Mitchell, Goodrich
> Michigan B 1962 MkII BN7
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