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<div class="moz-cite-prefix">Thanks Chris,<br>
<br>
A very enlightening table!<br>
<br>
Cheers,<br>
Kees Oudesluijs<br>
<br>
<br>
Op 2-5-2017 om 12:00 schreef Chris Dimmock:<br>
</div>
<blockquote type="cite"
cite="mid:2FE44144-CC9E-4185-B5EA-9D3BF210D2C1@gmail.com">
<meta http-equiv="Context-Type" content="text/html; charset=utf-8">
<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><br>
</p>
<p><img src="cid:part1.95D281DD.78573DAF@chello.nl"
alt="image1.PNG" id="FA481717-06BF-419F-98AF-67B0B7FF3CAC"
class=""><br>
</p>
<p><br>
<span></span></p>
<p><span></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" moz-do-not-send="true">coudesluijs@chello.nl</a>>
wrote:<br>
<br>
</div>
<blockquote type="cite">
<div>
<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>
</div>
<blockquote type="cite"
cite="mid:6C3F190C646B4A14A874E85DD0444CBB@WINDOWST93OFP9">
<div dir="ltr">
<div>
<div>
<div dir="ltr">
<div>
<div>
<div dir="ltr">
<div>
<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>
<div>
<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>
<blockquote type="cite">
<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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