Did you take any pictures? I'm having trouble visualizing the mesh/nail setup. Kevin Douglas Wood wrote: > I suggested driving a hobby DC motor/gear box combination with a fruit > battery. Slipping all of the interceding research, I found that plastic soda > bottle caps arranged in a honeycomb pattern (for density) filled with lemon > juice work the best. Each battery cell was filled roughly half with juice > and I used common zinc galvanized nails and copper mesh for the electrodes > (The copper mesh provided a greater surface area for the chemical reaction > to occur and produced about three times the current output when compared to > a copper nail). -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.