Re: re: D5000 - B Luxtrol variac

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Richard Modistach" <hambone-at-dodo-dot-com.au> 

what do you mean by 'taper wound'?

regards
richard
aus


----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Friday, March 26, 2004 11:46 AM
Subject: Re: re: D5000 - B Luxtrol variac


 > Original poster: DRIEBEN-at-midsouth.rr-dot-com
 >
 > Adam,
 >
 > Actually my Luxtrol looks almost identical to the 1256D's that you
 > got from me, externally. I'm at work now so I can't snap any pics to
 > send to hotstreamer-dot-com. Maybe if I can get out my digicam tomorrow,
 > I can snap a pic of it and put it on hotstreamer. The only difference
 > is the stick-on label that reads "Luxtrol" instead of Powerstat. Of
 > course it is taper wound like yours and has no taps like David Weiss
 > mentioned.
 >
 > David Rieben
 >
 > ----- Original Message -----
 > From: Tesla list <tesla-at-pupman-dot-com>
 > Date: Thursday, March 25, 2004 12:44 pm
 > Subject: Re: D5000 - B Luxtrol variac
 >
 >  > Original poster: Yurtle Turtle <yurtle_t-at-yahoo-dot-com>
 >  >
 >  > Sounds kinda like these:
 >  >
 >  > http://www.hot-streamer-dot-com/adam/garage/variac_120_volt_45.8_amp_1.jpg
 >  >
 >  > http://www.hot-streamer-dot-com/adam/garage/variac_120_volt_45.8_amp_2.jpg
 >  >
 >  > though mine say they are good for 5500 watts. Mine
 >  > came from an old theatre that was closing down and a
 >  > former list member salvaged them and offered them to
 >  > the list. I had to drive all day to get them, but they
 >  > were cheap. I haven't weighed them, but I think they
 >  > weigh less than the 1256's I got from you. They are
 >  > taper wound, so they can only be wired one way. They
 >  > also don't have any taps.
 >  >
 >  > I used to use these guys back to back to feed my pig,
 >  > and they never even got warm, though my ballasting
 >  > MOTs sure did.
 >  >
 >  > Adam
 >  >
 >  >
 >  >
 >  > --- Tesla list <tesla-at-pupman-dot-com> wrote:
 >  > > Original poster: DRIEBEN-at-midsouth.rr-dot-com
 >  > >
 >  > > Hi all,
 >  > >
 >  > > Got a little question on a beauty that I just got on
 >  > > ebay. Externally,
 >  > > it looks just like a 1256D powerstat and has the
 >  > > Powerstat name on the
 >  > > frame support members just like a 1256. However, it
 >  > > is rated at 5000
 >  > > watts or 120 volts at exactly 41.6 amps, that is for
 >  > > an incandescent
 >  > > lamp load, and is rated to handle (135) 40 watt
 >  > > flourescent lamps with
 >  > > certain types of ballasts. This things weighs 72
 >  > > lbs. on the scale
 >  > > which seems to dictate a considerable higher rating
 >  > > than 5 kW or 5 kVA.
 >  > > O yea, that's right, kVA and kW are not necessarily
 >  > > interchangable un-
 >  > > less the power factor is corrected to right at 100%.
 >  > > Yet with a resistive
 >  > > load like incandescent lamps, the power factor
 >  > > should be right at 100%,
 >  > > shouldn't it? Of course, flourescent lamps with
 >  > > their accompanying bal-
 >  > > lasts would introduce an inductive load  where the
 >  > > power factor would
 >  > > be noticably less than 100%. 135 x 40 = 5400 which
 >  > > is a bit more than
 >  > > 5000. Could someone please shed a little bit of
 >  > > light on this matter
 >  > > for me?
 >  > >
 >  > > David
 >  > >
 >  > > PS - I got a great deal on this variac too with a
 >  > > grand total of under
 >  > > $75 in it, including shipping ;^))
 >  > >
 >  > >
 >  >
 >  >
 >  >
 >
 >
 >