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Posted by hallerb@aol.com on March 19, 2008, 11:57 pm
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> > Issue 1
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> > Harbor Freighr had a number of cordless drills that were inexpensive,
> > but I noticed many had no amp rating listed on the box. Even though
> > they were 18 and 19 v, the drill bodies seemed small, which I assume
> > in indicative of a small, low powered motor and the fact that the amps
> > aren't listed anywhere on the drill or the owners manual probably
> > isn't an accident.
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> > Since I was in a hurry I picked up a corded 4.2 amp Chicago electric
> > drywall screwdriver - I'm guessing a Harbor Freight store brand? - by
> > its shape it loos to have a reduction gear assembly for increasing
> > torque.
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> > Out of curiosity, how much cordless drill do you feel is enough to do
> > drywall? Not going to be doing it daily/commercially, at the moment
> > have a couple of walls that need drywalling. I built a sound booth out
> > of 2x4's, drywall and R-13 insulation using a B&D 4.5 amp 1350 RPM
> > corded drill I got at a pawn shop and got a drywall attachment from
> > Home Depot. Seemed to have more than enough power. I've never owned a
> > cordless so I don't know how the specs translate compared to a corded
> > drill.
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> > Issue 2
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> > The reason I went on a quest for another drill is that the
> > aforementioned B&D 4.5 Amp drill has gotten to where it only wanta to
> > run when the drill is held at a certain rotation, typically with the
> > handle parallel to the floor. I took it apart to see if there was
> > anything obvious broken or out of place, I pulled the center armature
> > section apart from the rest of it. What I noticed were sections where
> > the armature has what look like wear marks.
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> > Any theories on why the drill is behaving this way and what bearing
> > the worn spots might have? I assume this isn't a drill that's worth
> > sinking a lot of time into to fix.
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> > Thanks for all info.
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> For years till it got stolen all I needed was my 9.6v Makita, you want
> a low gear for screws and Harbor F probably has plastic gears as Ryoby
> amd B&D . HDs brand Ridgid has a lifetime warranty when you register
> it, even the battery.- Hide quoted text -
>
> - Show quoted text -
the larger question is how old and hard are the studs your putting the
screws in? our home was built in 1950 and its a bear driving screws in
them, its easier to pre drill a hole then install screw
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