Re: [TCML] "Lifter" power supply questions

["Peter Terren" <pterren@xxxxxxxxxxxx>]

With a duty cycle that might be (pure guess) 100:1 you won't get anything 
smooth. Any peak is a problem as these run on the borderline of arcing.

Peter
http://tesladownunder.com/Lifters.htm

----- Original Message ----- 
From: "Scott Bogard" <sdbogard@xxxxxxxxx>


> What is to stop him from using his diodes and building some HV caps (salt 
> water jars) setting them in series and using his 100kV power supply to 
> smooth things out before feeding to the lifter?  Also I think you need 
> negative as that is where the electrons go?  Just guessing, never built a 
> lifter...
>
> Scott Bogard.
>
> On 1/13/2011 7:07 PM, Peter Terren wrote:
> > Hi PBT
> > None of these will work as none are pure filtered stabilised DC at a
> > current of perhaps 100uA.
.....
> > The 100kv supply is an AC induction coil with the pulse mostly in one
> > direction. It is not true DC and being pulsed will only provide lift for
> > a small part of the cycle.
......
and series resistor to prevent burning up with flashovers.
> > Cheers
> > Peter
> >
> > -----Original Message----- From: mrapol@xxxxxxxxxxxx
> > Sent: Thursday, January 13, 2011 11:53 PM
> > To: Tesla Coil Mailing List
> > Subject: [TCML] "Lifter" power supply questions
> >
> > Hello,
> >
> > I am working on a high voltage "lifter," and I have some questions about
> > powering it. I checked the list archives and found some info, but nothing
> > that addresses my particular questions. Any clarification would be
> > appreciated.
> >
> > Most of the how-to stuff I have read supposes you're building a power
> > supply
> > from scratch, adapting a flyback, etc. I have a variety of HV sources:
> >
> > --a 100 kV DC variable power supply, made by Hamilton Drills of Canada.
> > (These are commonly sold on eBay. They appear to be solid state induction
> > coils, rectified to give DC output? The maker insists they are DC, 
> > although
> > he does call them "Tesla" coils too . . . )
...
> > My question is, nowhere have I found what would be needed to hook up an
> > existing power supply to the lifter. From what I read I assume the 
> > Hamilton
> > Drills unit is the most suitable, but simply connecting the lifter to the
> > output posts does not seem to work. An email to the Hamilton Drills maker
> > yielded a reply that I need to connect two 75kV, 5mA diodes (?) in
> > series to
> > the unit's output--presumably the + terminal?
> > > From what I read on the list archives, it is possible to use AC
> > > sources like
> > NSTs? My big question, having power supplies and having made a lifter, 
> > what
> > is the best way to hook them up?
> >
> > PBT


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