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#1
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Limiting battery drain by using what?
I recently built a small fan system to dry my wing tanks.
It is 12 volt and runs off of a 9 amp hour glider battery. I thought that when the battery would get down to about 9 volts that the fan would stop, this is not the case, the fan keeps working till the battery is down into the 5 volt range. Is there something I can wire in that would make the system quit working when the battery reaches 9 or 10 volts so that I can get some more life out of my batteries? Thanks for any advice, Joe Simmers |
#2
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Limiting battery drain by using what?
On Jul 23, 6:51*am, joesimmers wrote:
I recently built a small fan system to dry my wing tanks. It is 12 volt and runs off of a 9 amp hour glider battery. I thought that when the battery would get down to about 9 volts that the fan would stop, this is not the case, the fan keeps working till the battery is down into the 5 volt range. Is there something I can wire in that would make the system quit working when the battery reaches 9 or 10 volts so that I can get some more life out of my batteries? Thanks for any advice, Joe Simmers Take a look at this: http://www.safemart.com/Elk-Power-Su...ch-ELK-965.htm |
#3
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Limiting battery drain by using what?
On Jul 23, 4:51*am, joesimmers wrote:
I recently built a small fan system to dry my wing tanks. Even after the fan stops rotating it will still be drawing current and the battery voltage can be expected to go to zero. Simplest solution may be a timer. I think others have used solar panels to power the dryer fan. If I was doing it I'd probably cobble up a self latching relay. When the voltage drops low enough for the relay to unlatch there is no battery load. You can tailor the drop out voltage by selection of relay type and tweak it with a resistor in series with the coil. Andy |
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