Re: [T3] DBB alternator

[Dan Allum <la003f3755@blueyonder.co.uk>]

All sorted now, works a treat!  :-)  Fired up the Fastback today for the
first time in well over a year! A good feeling.  :-)

cheers,
Dan

----

On Sun, 2005-03-27 at 20:12, type3-d-request@vwtype3.org wrote:

> 
> ______________________________________________________________________
> From: Dan Allum <la003f3755@blueyonder.co.uk>
> To: type3-d@vwtype3.org
> Subject: Re: [T3] DBB alternator
> Date: Sun, 27 Mar 2005 13:11:10 +0100
> 
> Hi all,
> I'm currently doing an RX7 70amp alternator conversion but I'm a bit
> confused over what size wire to use for the B post. 
> 
> It seems common sense to use the larger 70amp battery wire but I can't
> seem to find a way to connect it to the B post on the alternator. The
> bolt on battery style ends are just too large to fit.
> 
> Looking on my sisters Nissan, the 65 amp alternator fitted there only
> has a small wire (about 40amp wire) running from it. This seems to be
> how my Mazda/RX7 alternator was designed considering the small terminal
> post.
> 
> I've got some 40amp wire that looks about the same size as the original
> wire in the VW harness, can I use that and run it straight to the
> battery? Does it need to be fused at all? Looking at the Jap diagrams,
> they seem to run through a 'fusible link' on the + side, how do the
> fusible links differ from the regular fuses/fuse boxes?
> 
> Sorry for all the q's, wiring really isn't my forte!  :-)
> 
> 
> cheers,
> Dan
> 
> ----
> 
> On Wed, 2005-03-23 at 04:42, type3-d-request@vwtype3.org wrote:
> 
> ________________________________________________________________________
> > From: Jim Adney <jadney@vwtype3.org>
> > To: type3@vwtype3.org
> > Subject: Re: [T3] DBB alternator
> > Date: Tue, 22 Mar 2005 22:38:50 -0600
> > 
> > > On 22 Mar 2005 at 15:43, Toby Erkson wrote:
> > 
> > > I'm not sure if that stock wire should be used as it was designed to 
> > > carry 360watts, not 840! 
> > 
> > The wire rating would be in Amps, not Watts, and I think the OE wire is 
> > significantly larger than the 30A rating of the generator would suggest. It's 
> > probably good for 40A, but certainly not for 70A continuously.
> > 
> > OTOH, I can't imagine a situation where it would ever be called on to carry 70A 
> > continuously.
> > 
> > Where I work, we commonly put 400 A thru 12 gauge wire and 50 kA thru 4/0 
> > cable. It works just fine, but that's only because the current is there for 
> > only about .050 seconds every 3 minutes or so.
> > 
> > -- 
> > *******************************
> > Jim Adney, jadney@vwtype3.org
> > Madison, Wisconsin, USA
> > *******************************
> > 
> 
> ______________________________________________________________________


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