Thursday, May 26, 2011

[Honda-C70] Re: A Better Battery

 

What size battery? Voltage would be 7.2 but what is the current (mah)?

--- In Honda-C70@yahoogroups.com, "Gustavo Gonzalez" <gusg011@...> wrote:
>
> How do you charge the battery?
>
> Thanks
>
> Gus G.
> ----- Original Message -----
> From: "M J" <mattjne@...>
> To: <Honda-C70@yahoogroups.com>
> Sent: Friday, May 20, 2011 4:03 PM
> Subject: Re: [Honda-C70] Re: A Better Battery
>
>
> > Nice instructable on the battery pack. Thanks. Any thoughts on Ni-Cad vs
> > NiMH? Herman, can you point us to the specific battery you used?
> >
> > On Fri, May 20, 2011 at 3:47 PM, william belleau
> > <wjbelleau@...>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@...> wrote:
> >>
> >> From: M J <mattjne@...>
> >> 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@...> 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
> >
> >
> >
>

__._,_.___
Recent Activity:
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.html
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