Alt-BEAM Archive

Message #00819



To: James Anderson anderson@cfht.hawaii.edu
From: James Niemasik jfn@best.com
Date: Mon, 22 Feb 1999 19:07:52 -0800
Subject: [alt-beam] Re: First Question...


Is this a cell from Radio Shack? There should be the same type of surface on the front
of the cell to solder to as on the back, whether or not it's a RS cell. You souldn't
be soldering to the actual face of the cell that collects the light, but probably a
strip or pad of metal.

James Anderson wrote:

> James
>
> It said to solder the positive lead to the back (which was easy), and the negative
> to the front. I thought that was strange since the front surface area so
> important, and when I tried it seemed to get quite charred, but I still got a
> voltage reading. The main problem was that the solder wouldn't stay on the cell,
> and poped of with the slightest pressure. If you have any further advice, I'd
> appreciate it, but it probably just gonna take more practice.
>
> Wondering Aimlessly,
> James Anderson
>
> James Niemasik wrote:
>
> > Was the solar cell pretinned? Was it a Sunceram cell? If the cell is pretinned,
> > just hold the lead down on the pad, melt the solder with your iron, let the lead
> > sink into it, and remove your iron and let it harden.
> >
> > James Anderson wrote:
> >
> > > Hello all,
> > >
> > > I just starting out at this, and would like to thank all of you that maintain
> > > BEAM web-sites. I've been surfing around and the information has been
> > > invaluable.
> > >
> > > Anyway, I tried to make my first solar-engine this week-end, and my biggest
> > > problem (I believe) was not being able to securely solder to the solar cell.
> > >
> > > Any advice on this would be much appreciated...
> > >
> > > Wondering Aimlessly,
> > > James Anderson
> >
> > --
> >
> > * James Niemasik
> > * jfn@best.com
> > * James' BEAM Robotics Page:
> > * http://welcome.to/jamesbeam

--

* James Niemasik
* jfn@best.com
* James' BEAM Robotics Page:
* http://welcome.to/jamesbeam



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