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Re: Rolled cap hell ....easy
Original poster: "Gary Weaver" <gary350-at-earthlink-dot-net>
I should have said 6 mil or .006 thick its the same thing.
> [Original Message]
> From: Tesla list <tesla-at-pupman-dot-com>
> To: <tesla-at-pupman-dot-com>
> Date: 10/24/2004 7:53:57 PM
> Subject: Re: Rolled cap hell ....easy
>
> Original poster: "Dr. Resonance" <resonance-at-jvlnet-dot-com>
>
>
> Gary:
>
> I presume you mean to say 6 mil poly and not .006 mil poly?
>
> That would be a fit thin to handle with human hands. Maxwell uses .5 mil
> but it's machine wound and not touched by human hands.
>
> Dr. Resonance
>
>
>
> >
> > It is not as hard as it might seem. I have rolled up several caps and
I
> > had the same problem your having until I figured out how to do it.
First
> > of all cut your 2 aluminum plates and very carefully sand the edges
> smooth.
> > Cut your poly 2 times +16" longer than your aluminum plates and 4"
wider.
> > If your aluminum plates are 10" x 48" then your poly needs to be 14" x
> 112"
> > long. Place your poly on the floor in 2 equal stacks. If your
planning
> to
> > have 16 sheets of .006 mil poly between each aluminum plate then cut 8
> > sheet of poly 14" x 102" NOT 16 sheets. Lay 8 sheets of poly on the
floor
> > then place 1 aluminum plate at one end of the poly and fold the
remaining
> > poly over the top of the aluminum so the aluminum is covered on both
sides
> > with poly. Do the same thing with your other aluminum plate. Now
place
> > the 2 stacks one on top of the other making sure the folded poly ends
are
> > both on the same end of the stack. Now you have 16 layers of poly
> between
> > each aluminum plate. Place a 2x4 board on each side of the stick.
Roll
> up
> > both stacks of poly and aluminum on a 1" pvc pipe. As you roll slide
> the
> > 2x4 boards along a few inches at a time to keep them out of your way.
> The
> > boards will keep the poly from trying to slip to the side and get off
> > center while your roll up the capacitor. Hold very tight all the time
> and
> > never let go. When the cap is completely rolled up wrap it several
times
> > with tape to hold it in place. You can leave the 1" pvc pipe rolled
up in
> > the middle or pull it out if you want it makes no difference. Slide
the
> > roll into a PVC pipe. Attach the lead outs from the aluminum plates to
> > 1/4" bolts or terminals screwed through the PVC end caps. Be sure one
> end
> > cap has a hole drilled through it and tap the hole 1/8" NPT so you can
> > screw in a pipe cap later. Glue the caps to the PVC pipe. Attach a
> vacuum
> > pump to the 1/8" NPT hole and pump a vacuum. Back fill the cap with
high
> > voltage oil. Screw a pipe plug into the hole to keep in the oil. I
make
> > all my caps rated 40,000. volts so they are bullet proof. I have never
> > lost a cap and don't want to I have too much time invested in making it
> and
> > don't what to replace it. If its done right the first time you will
never
> > loose a cap.
> >
> > Check out the pictures.
> >
> > http://home.earthlink-dot-net/~gary350/cap1.jpg
> > http://home.earthlink-dot-net/~gary350/cap2.jpg
> > http://home.earthlink-dot-net/~gary350/cap3.jpg
> > http://home.earthlink-dot-net/~gary350/poly-c1.jpg
> > http://home.earthlink-dot-net/~gary350/tc10-4.jpg
> >
> > Pic 1 my aluminum plates are 10" x 48" the tab is 1" x 9". Fold the
tab
> > over 90 degrees so it sticks out the side.
> > Poly is 8 sheets of .006 mil 14" x 112" long.
> >
> > Pic 2 shows the poly folded over the top of the aluminum with the tabs
> > sticking out the sides. Place one on top the other. Start rolling
from
> > the end that does not have the tabs.
> >
> > Pic 3 shows the cap after it has been rolled up.
> >
> > Pic 4 shows the finished cap. .005 uf 40,000. volts.
> >
> > Pic 5 shows the caps on my 10" coil.
> >
> > Gary Weaver
> >
> >
> >
> >
> >
> >
> >
> > > [Original Message]
> > > From: Tesla list <tesla-at-pupman-dot-com>
> > > To: <tesla-at-pupman-dot-com>
> > > Date: 10/22/2004 10:24:31 PM
> > > Subject: Rolled cap hell
> > >
> > > Original poster: "Andrew Genseal" <aggniu-at-hotmail-dot-com>
> > >
> > > well, I attempted to roll my first cap tonight. It was quite the
> > > disapointment. I have 6mil poly, and I am using the "sandwich"
method
> (2
> > > sandwiches with plates wrapped in 8 pieces of 66" long by 14" wide
> > > poly). The cap I am going for is roughly 003uF using 29" or 10"
wide
> > roof
> > > flashing for the plates (BTW, it is a simple 2 plate cap). The
> enclosure
> > > of choice is a 3" pvc pipe. My biggest question is what is the best
> way
> > to
> > > go about rolling these things up real tight? As a person who has
never
> > > attempted this before, I approached this thing thinking it would be
> > > easy.....boy, was I wrong. Is there any way of binding the sheets
> > > temporarily to wind it, then removing such a device?
> > >
> >
> >
> >
>