<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>No. </div><div id="AppleMailSignature">We are specifically talking about the Lucas C42 as used on the BJ8</div><div id="AppleMailSignature">A Lucas C42 generates 30 amps at 4,500 rpm. </div><div id="AppleMailSignature">It's fine. </div><div id="AppleMailSignature"><p style="margin: 0px; font-size: 12px; line-height: normal; font-family: Helvetica;"><br></p><p style="margin: 0px; font-size: 12px; line-height: normal; font-family: Helvetica;"><img src="cid:FA481717-06BF-419F-98AF-67B0B7FF3CAC" alt="image1.PNG" id="FA481717-06BF-419F-98AF-67B0B7FF3CAC"><br></p><p style="margin: 0px; font-size: 12px; line-height: normal; font-family: Helvetica; min-height: 13.8px;"><br><span style="font-size: 12pt;"></span></p><p style="margin: 0px; font-size: 12px; line-height: normal; font-family: Helvetica; min-height: 13.8px;"><span style="font-size: 12pt;"></span></p><br>Sent from my iPhone</div><div><br>On 2 May 2017, at 6:48 pm, Oudesluys <<a href="mailto:coudesluijs@chello.nl">coudesluijs@chello.nl</a>> wrote:<br><br></div><blockquote type="cite"><div>
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<div class="moz-cite-prefix">There you are, 26A at full house. <br>
How much does the generator generate? 20-25A if you are lucky.<br>
Kees Oudesluijs<br>
<br>
<br>
<br>
Op 2-5-2017 om 7:34 schreef Roger Grace:<br>
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<div>Given the endless discussions on this topic,
thought it would be useful to remind myself and
any others who are interested in the major
differences between alternators and generators</div>
<div> </div>
<div>In a gen. the heat generated is in the
rotating armature that is on the inside of the
enclosure and this is why cooling is
important/difficult and the fan on the pulley
provides this through the enclosure. The brushes
on a gen work hard and switch full current
several times per rev. hence the wear and
sparking. Gen usually has an oilite bearing at
the rear that also wears. This is a critical
component as wear (dry no oil) could eventually
lead to scraping of the armature on the field
poles and throwing of lead at comm. Take care of
your brushes, bronze bush and bearings and you
will have a reliable gen.</div>
<div> </div>
<div>An alt. is inverted with the main winding on
the outside (easier to cool hence more output)
and the field on the inside; hence the shape -
larger diameter and shorter. No mechanical
commutator switching needed as this is done by
diodes. Slip ring brushes feed low dc amps to
the internal rotating field - that last almost
forever. Alt usually have more reliable front
and rear rotor bearings and less rotational
weight as the main windings are on the stator
and thus more mechanically robust than a gen.</div>
<div> </div>
<div>The discussions here also confuse me about
the amps needed for our cars. I am with Chris on
this one and wonder why you would need an 80 amp
alt ?? !! Unless you run an extra 2 spots for
long periods you likely don’t need the hi output
of an alternator rather the mechanical
reliability and the improvement of eliminating
the mechanical regulator.</div>
<div>Lets say headlights at 55W each; 5 amps for
ignition and auxiliaries; 3 amps for side lights
(convert these plus brake lights to LED’s to
lighten your load); blower at 3 amps; wiper at 5
amps; OD 1 amp as worst case continuous. This
gives a total of around 26 amps full house
driving at night in the Winter and raining !
Intermittent loads are horn, brake lights,
indicators. etc. </div>
<div> </div>
<div>No doubt one day will convert to an alt but
it would likely be to eliminate the awful cheap
non adjustable regulator that I had to purchase
after my 50 year old Lucas one failed.</div>
<div>rg</div>
<div> </div>
<div>
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<div> </div>
<div>
<div><b>From:</b> <a title="austin.healey@gmail.com" moz-do-not-send="true">Chris Dimmock</a>
</div>
<div><b>Sent:</b> Monday, May 1, 2017 6:42
AM</div>
<div><b>To:</b> <a title="simon.lachlan@homecall.co.uk" moz-do-not-send="true">Simon Lachlan</a>
</div>
<div><b>Cc:</b> <a title="healeys@autox.team.net" moz-do-not-send="true">Healey List</a> </div>
<div><b>Subject:</b> Re: [Healeys] Dynalite
or which alternator to C42 Generator</div>
</div>
</div>
<div> </div>
</div>
<div>
<div>The funniest thing I find about the
"alternator inside a generator" conversions is
the bloody pulley. It might look like a
generator body - but you have to run a tiny
pulley, because it needs a bucket load of revs
to generate didly squat, more than a
generator. </div>
<div id="AppleMailSignature">Any good Lucas
generator runs a Larger pulley - because it
generates enough amps and stuff at low revs.
Seriously men. Who revs their car past 5,000
rpm on the road? </div>
<div id="AppleMailSignature">I run a C42 with a
bigger DWR Pulley. </div>
<div id="AppleMailSignature">That means I'm
slowing down the old Lucas C42. Because it
already generates enough power. </div>
<div id="AppleMailSignature">Ok. I'm not running
a 1,000 watt sound system or 4 IPods, and a
grille full of spotlights. FFS - it's a
Healey!!</div>
<div id="AppleMailSignature">So if you run one
of these alternator inside a generator silly
things, it's a joke. You've got a fake,
compromised alternator. Immediately identified
by the pulley. An alternator needs air for
cooling. A generator casing doesn't provide
that. </div>
<div id="AppleMailSignature">Run one or the
other. Generator or alternator. I've got no
issue if you run an alternator. Run a good,
sensible, reliable one. </div>
<div id="AppleMailSignature">Nearly as stupid as
putting a disc brake inside a brake drum. Same
issue. </div>
<div id="AppleMailSignature">Innovative- but it
doesn't work unless all you do is drive to a
coffee shop. </div>
<div id="AppleMailSignature">Simon. Just get a
C42 and return the core when you get back. </div>
<div id="AppleMailSignature">Best Chris</div>
<div id="AppleMailSignature">Being Grumpy about
modern shit. </div>
<div id="AppleMailSignature"><br>
<br>
Sent from my iPhone</div>
<div>On 1 May 2017, at 3:54 am, Simon Lachlan
<<a moz-do-not-send="true">simon.lachlan@homecall.co.uk</a>>
wrote:<br>
<br>
</div>
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<div>
<meta name="Generator" content="Microsoft
Word 15 (filtered medium)">
<div class="WordSection1">
<p class="MsoNormal">My nephew’s generator
issues may resolve themselves soon.
May…….</p>
<p class="MsoNormal">We may look at
replacing the C42 in his BJ8 with an
alternator, one of the generator
lookalikes.</p>
<p class="MsoNormal">Dynalite is one of
the names I’ve come across, as sold by
Holden’s. The Usual Suspects don’t seem
to give their lookalikes their brand
names.</p>
<p class="MsoNormal">Anyhow, I know this
topic came up a few months back, but I
wasn’t interested then! So:-</p>
<p class="MsoNormal">Does anyone have
experience of these things?</p>
<p class="MsoNormal">Is any brand better
than another??</p>
<p class="MsoNormal">Etcetc.</p>
<p class="MsoNormal">Holden’s claim 45amps
for theirs. AHSpares claim 50amps. A
BJ8’s C42 generator kicks out 30amps
max. It seems that one does need the BIG
fuse in the Dummy Control Box. When I
put in my alternator, a Lucas ACR, I put
in an extra cable to carry the extra
amps…….apparently if the alternator is
really belting out the amps, the old
wiring is a bit marginal.</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal">Any other thoughts? </p>
<p class="MsoNormal">Kind advice to the
effect that putting more modern
electrics in our old bangers is streng
verboten is unnecessary at this time.</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal">Thanks,</p>
<p class="MsoNormal">Simon</p>
</div>
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