Newbie: tips on how to start?
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From: Michael A. Terrell on 18 Jul 2010 23:33 "krw(a)att.bizzzzzzzzzzzz" wrote: > > On Sun, 18 Jul 2010 01:48:41 -0400, "Michael A. Terrell" > <mike.terrell(a)earthlink.net> wrote: > > > > >"krw(a)att.bizzzzzzzzzzzz" wrote: > >> > >> On Fri, 16 Jul 2010 20:28:04 -0400, "Michael A. Terrell" > >> <mike.terrell(a)earthlink.net> wrote: > >> > >> > > >> >Jasen Betts wrote: > >> >> > >> >> On 2010-07-14, Baron <baron.nospam(a)linuxmaniac.nospam.net> wrote: > >> >> > >> >> >> How often do people drop dead from actual electrocutions in places > >> >> >> that use 240, just doing plain tasks like you might at home or > >> >> >> outside? > >> >> > > >> >> > People do die from electrocution on 240 volt AC mains. More often than > >> >> > not the reflex action causes you to pull away. I agree with your > >> >> > comment that "the danger is almost always from what you end up hitting > >> >> > or falling off (like a ladder) /into than from the shock itself." > >> >> > DC is far more likely to kill you, simply because the muscle contracts > >> >> > and makes it impossible to let go. > >> >> > >> >> AC can do that too, My dad had trouble putting a skilsaw down after > >> >> cutting the lead. luckily he was able to out-distance the extension > >> >> lead. Next time he used it with an isolating transformer. > >> > > >> > > >> > It would be simpler to make sure you can't cut the cord with the saw. > >> > >> Batteries? ;-) > > > > > > I've never seen a battery operated saw I would buy. :( > > I have a 9.6V 3-3/8" Makita circular saw that worked great on cedar siding. I > could even use it while on the ladder. I resided my house in VT with it. It > paid for itself in that one job but I haven't found much other use for it. > > http://www.makitapowertoolsonline.com/Cordless-Circular-Saws/Makita-5090D-Cordless-Circular-Saw.html > > A couple of years ago I bought an 18V 6-1/2" Dewalt circular saw. It's *very* > useful. I've used it to cut down several sheets of 3/4" ply. > > http://www.dewalt.com/tools/cordless-saws-circular-saws-dc390k.aspx I have rarely ever been where it was difficult to get AC for a regular saw, so by the time I needed one again, the batteries would be bad. -- Anyone wanting to run for any political office in the US should have to have a DD214, and a honorable discharge.
From: Michael A. Terrell on 18 Jul 2010 23:35 Jasen Betts wrote: > > On 2010-07-17, Michael A. Terrell <mike.terrell(a)earthlink.net> wrote: > > > > Jasen Betts wrote: > >> > >> On 2010-07-14, Baron <baron.nospam(a)linuxmaniac.nospam.net> wrote: > >> > >> >> How often do people drop dead from actual electrocutions in places > >> >> that use 240, just doing plain tasks like you might at home or > >> >> outside? > >> > > >> > People do die from electrocution on 240 volt AC mains. More often than > >> > not the reflex action causes you to pull away. I agree with your > >> > comment that "the danger is almost always from what you end up hitting > >> > or falling off (like a ladder) /into than from the shock itself." > >> > DC is far more likely to kill you, simply because the muscle contracts > >> > and makes it impossible to let go. > >> > >> AC can do that too, My dad had trouble putting a skilsaw down after > >> cutting the lead. luckily he was able to out-distance the extension > >> lead. Next time he used it with an isolating transformer. > > > > It would be simpler to make sure you can't cut the cord with the saw. > > This is a handheld critular saw. a cord short enough to be > intrinsically safe isn't long enough to be useful. > > But, yeah, definately more care would have helped. A short cord is easier to get in your way. You need the cord behind you as you cut, so you can pull it behind the saw. I've seen a lot of people run it the other direction, and cut it. -- Anyone wanting to run for any political office in the US should have to have a DD214, and a honorable discharge.
From: Michael A. Terrell on 18 Jul 2010 23:36 John Fields wrote: > > On Wed, 14 Jul 2010 15:12:38 +0100, Rui Maciel <rui.maciel(a)gmail.com> > wrote: > > >John Fields wrote: > > > >> On Mon, 12 Jul 2010 14:47:45 +0100, Rui Maciel <rui.maciel(a)gmail.com> > >> wrote: > >> > >>>I'm looking into picking up electronics as a hobby. What advice can you > >>>spare? > >> > >> stay away from sci.electronics.design. ;) > > > >Why is that? > > Lots of grouchy old men flaming each other; hardly any electronics. > > This is a pretty good group for newbies, though. Come on, John. It's what they're best at. ;-) -- Anyone wanting to run for any political office in the US should have to have a DD214, and a honorable discharge.
From: Michael A. Terrell on 18 Jul 2010 23:37 "krw(a)att.bizzzzzzzzzzzz" wrote: > > On Sun, 18 Jul 2010 01:51:10 -0400, "Michael A. Terrell" > <mike.terrell(a)earthlink.net> wrote: > > > > >Rui Maciel wrote: > >> > >> Michael A. Terrell wrote: > >> > >> > This isn't a forum, it's a newsgroup. > >> > >> In your opinion what's the difference? > > > > > > Usenet is hosted on multiple servers around the world. A 'Forum' is > >hosted on a single machine, or a single, small server farm. > > Care to give a citation for that definition? A forum is simply a (place for) > public discussion. Street corners have very poor bandwidth, or data retention. :) -- Anyone wanting to run for any political office in the US should have to have a DD214, and a honorable discharge.
From: Michael A. Terrell on 18 Jul 2010 23:38
Jasen Betts wrote: > > On 2010-07-18, Michael A. Terrell <mike.terrell(a)earthlink.net> wrote: > > > > Rui Maciel wrote: > >> > >> Michael A. Terrell wrote: > >> > >> > This isn't a forum, it's a newsgroup. > >> > >> In your opinion what's the difference? > > > A 'Forum' is > > hosted on a single machine, or a single, small server farm. > > That requirement seems very arbitrary. So is life. -- Anyone wanting to run for any political office in the US should have to have a DD214, and a honorable discharge. |