[TheForge] Two electrical questions

[xlch58 at swbell.net]

You can also rebuild the battery, or have it rebuilt pretty cheap on the 
14 volt unit since you have the charger for it.  

Charles

Grover Richardson wrote:

>Higher Voltage on a filamentary light bulb will cause it to glow brightly,
>but will cause it to burn out quickly.  If you look at the light bulbs that
>are sold as long lasting, most are listed as 130 Vac bulbs, and are run at
>115 Vac (nominal) or so.  The lower Voltage makes them glow less brightly,
>but last longer<G>.
>
>As you are increasing the Voltage about 25% or so, it won't last long.
>
>Now motors are somewhat less caring about the Voltage.  However, if you lock
>the rotor, it is possible to demagnetize the motor due to excessive current
>draw.  I would suggest (with the lack of other information) that this is
>unlikely with your hand tool, but this is a guess based upon some experience
>in these areas.
>
>Yes, for the drill, nothing ventured nothing gained.  For the light, when it
>burns out, get the right Voltage bulb and put it in.
>
>  
>
>>*>-----Original Message-----
>>*>From: theforge-bounces at mailman.qth.net 
>>*>[mailto:theforge-bounces at mailman.qth.net] On Behalf Of Barking Crow
>>*>Sent: Thursday, April 13, 2006 4:01 PM
>>*>To: Sponsored by ABANA
>>*>Subject: [TheForge] Two electrical questions
>>*>
>>*>
>>*>Several months ago I found a complete craftsman professional 18volt 
>>*>drill/driver in a trashpile in its case but with a frozen 
>>*>chuck that despite 
>>*>lots of work I could never fix and finally failed cutting it 
>>*>apart to get to 
>>*>where I could replace it.  Then yesterday in a trashpile I 
>>*>found a craftsman 
>>*>14.4 volt drill/driver, battery, charger, and neat 
>>*>flashlight.  The battery 
>>*>is so weak that it will just barely make the filament glow.  
>>*>The 18volt 
>>*>batteries are strong and will spin the chopped up chuck 
>>*>strongly and hold 
>>*>their charges well.  So today with some creative belt sander 
>>*>and chisel work 
>>*>I got the 18volt batteres to fit onto the 14.4 volt 
>>*>flashlight which has a 
>>*>very nice adjustable head and the light is bright.  Is there 
>>*>a problem using 
>>*>the more powerful battery?  What should the filament care 
>>*>about 3.6 volts? 
>>*>AND, should I try similarly modifying the drill base to fit 
>>*>the 18 volt 
>>*>battery?  How will the motor feel about the extra 3.6?  
>>*>Nothing ventured 
>>*>financially.  I feel certain the craftsman boys will tell me 
>>*>not to do it, 
>>*>but what do you guys think?  Thanks,
>>*>
>>*>Jeff in already hot Tallahassee 
>>*>
>>*>
>>*>
>>*>_______________________________________________
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>>
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