NiMH? Herman, can you point us to the specific battery you used?
On Fri, May 20, 2011 at 3:47 PM, william belleau <wjbelleau@yahoo.com>wrote:
>
>
> Neil Rodrigues posted a nice file on making a Ni-Cad battery pack
> on the small-honda-singles@yahoogroups.com
>
>
> http://f1.grp.yahoofs.com/v1/QMjWTfDbyhvk3Y44j_S7E3-NAYbrLu6gIaVrH6Owtqwe5ukQ1e-kJnqteeurt5Ed41qMAug4dqSaoE9r1-_aquSTpIlhB14/6volt_NICAD_Battery_Conversion.doc
>
> I have been thinking of this for years.
> Bill
> Portland OR
>
> --- On Fri, 5/20/11, M J <mattjne@gmail.com> wrote:
>
> From: M J <mattjne@gmail.com>
> Subject: Re: [Honda-C70] Re: A Better Battery
>
> To: Honda-C70@yahoogroups.com
> Date: Friday, May 20, 2011, 12:19 PM
>
>
> OK, you have definitely got my attention:) How bout a tutorial? I've
> screwed with my electrical system a lot, my headlight is still kind of a
> joke and my blinkers flash on the first day of a fresh charging. The
> electrical systems on these bikes seem to be the weakest link in these
> machines that are so genius in their simplicity. I also have a 305
> superhawk that sucks too much juice without replacing it.
>
> On Fri, May 20, 2011 at 10:17 AM, Herman <h3ch4@sbcglobal.net> wrote:
>
> >
> >
> > The C70 charging system seems to charge the NIMH pack just fine. At high
> > revs, the voltage at the battery terminals reads about 8.9V. At idle, the
> > voltage is somewhere around 7.5V. For comparison, I think the fully
> charged
> > voltage of a 6V lead acid is around 7.1V.
> >
> > HC
> >
> >
> > --- In Honda-C70@yahoogroups.com, myron andrews <mvandrews13@...> wrote:
> > >
> > >
> > > Herman : Does the bike charge the battery or do you plug it in like
> many
> > of us do with a battery tender any way? I consider the electric starter
> to
> > be dead weight for the last 6 years or so . The starter worked 3 times in
> > 2010 on mine. Baby Huey
> > >
> > >
> > >
> > > To: Honda-C70@yahoogroups.com
> > > From: h3ch4@...
> >
> > > Date: Fri, 20 May 2011 03:28:35 +0000
> > > Subject: [Honda-C70] A Better Battery
> > >
> > >
> > >
> > >
> > >
> > >
> > > I've found that a 7.2 volt NIMH battery pack, like the ones used in RC
> > cars will replace the lead acid battery just fine.
> > >
> > > I've been running on one for two months now, and nothing has burned out
> > yet, even after 10-mile WOT excursions through the countryside.
> > >
> > > In addition, the headlight is brighter, turn signals actually become
> > visible in daylight, and the horn no longer sounds like a dying animal!
> > >
> > > The whole pack is a lot lighter than the lead acid, and no more risk of
> > acid spills or of burning out bulbs when the battery dies.
> > >
> > > To test what happens when the NIMH pack eventually dies, I ran the C70
> > with a completely discharged NIMH pack and all the bulbs survived, though
> > they were nearly too dim to see. This is unlike the consequences of a
> dead
> > lead-acid battery, which would blow out all the bulbs.
> > >
> > > The only thing that doesn't work is the electric starter motor. But
> that
> > barely worked with a lead-acid battery anyway. :P
> > >
> > > In conclusion, if you're in need of a new battery and possess simple
> > wiring skills (needed to wire the NIMH pack into the electrical system),
> you
> > should consider heading to the local hobby shop, rather than the auto
> shop,
> > to pick up a 7.2V NIMH battery pack to replace the OEM lead-acid battery
> > used in the C70.
> > >
> > > HC
> > >
> > >
> > >
> > >
> > >
> > > [Non-text portions of this message have been removed]
> > >
> >
> >
> >
>
> [Non-text portions of this message have been removed]
>
> ------------------------------------
>
>
> C70 Passport Not Running Right?
> 1970-73 C70 Honda Service Manual: http://tinyurl.com/6ebwtw
> 1970-73 C70 Troubleshooting Guide:
> http://tinyurl.com/6ebwtw (scroll to sec.7.1 page 101.jpg)
> 1980-83 C70 Honda Service Manual: http://tinyurl.com/hu42c
> 1980-81 C70 Troubleshooting Guide:
> http://tinyurl.com/hu42c (scroll to sec.18-1 page 170.jpg)
> 1982-83 C70 Troubleshooting Guide:
> http://tinyurl.com/hu42c (scroll to sec. 20-28 page 205.jpg)
>
> 1980-81 C70 Maintenance Schedule: http://tinyurl.com/z4zn6
> 1982-83 C70 Maintenance Schedule: http://tinyurl.com/hw35c
>
> More resources for C70 Passports and Cubs:
> http://www.shlaes.com/Vehicles/Scooter.htm
> http://www.velodrome.com/HondaC70/HondaC70.htmlYahoo! Groups Links
>
>
> [Non-text portions of this message have been removed]
>
>
>
[Non-text portions of this message have been removed]
------------------------------------
C70 Passport Not Running Right?
1970-73 C70 Honda Service Manual: http://tinyurl.com/6ebwtw
1970-73 C70 Troubleshooting Guide:
http://tinyurl.com/6ebwtw (scroll to sec.7.1 page 101.jpg)
1980-83 C70 Honda Service Manual: http://tinyurl.com/hu42c
1980-81 C70 Troubleshooting Guide:
http://tinyurl.com/hu42c (scroll to sec.18-1 page 170.jpg)
1982-83 C70 Troubleshooting Guide:
http://tinyurl.com/hu42c (scroll to sec. 20-28 page 205.jpg)
1980-81 C70 Maintenance Schedule: http://tinyurl.com/z4zn6
1982-83 C70 Maintenance Schedule: http://tinyurl.com/hw35c
More resources for C70 Passports and Cubs:
http://www.shlaes.com/Vehicles/Scooter.htm
http://www.velodrome.com/HondaC70/HondaC70.htmlYahoo! Groups Links
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