I have two Porter Cable electric drills. One uses a 14 volt rechargeable
battery and the other a 12 volt. The 12 volt battery appears to work on the
14 volt drill quite well. The question is - if I were to use it in place
the 14 would it damage the battery? The 14 is about shot.
On 20 Feb 2007 07:24:08 -0800, email@example.com wrote:
That sounds like kind of a jerky answer, but it is a good point.
Cordless drills are great tools, but they are not always needed. I use
mine when I am working outdoors or out in my work shed or garage. I
even use it in my house, if I am in a place when I can't easily drag
an extension cord.
However, my corded drills have more gitty-up for things like drilling
into masonry and work just fine on anything else that is close to an
All that being said... I still like having the cordless drill around
for those times when it makes my task less grueling.
I've really only used mine for screwing in gutter screws. I could
have done it with a corded drill, but the cordless drill was lighter
and easier to handle up and down the ladder.
It was great for gutter screws.
In a permanent magnet DC motor, less voltage means lower speed. The
current is determined by torque, not voltage. If you're driving
something that takes more torque at higher speed, then reducing speed
also reduces torque and current. But with a constant-torque load, the
current will be about the same at any speed.
Ahh, but the RDTCGC (reactive drillbit torque conversion gear clutch) will
wear faster due to the variance in voltage!
Shoot! I've got to go now, I mistakenly put a 6V bulb in my 2-D cell battery
flashlight then left it on and it's melting all over the table now........
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