Dear sir :
I need a Tesla Coil,10 Ft Spark in air CIF New Delhi per shipment, and
ask for your specifications, picture, rates, and proforma for the
nearest size available upto 10 ft spark.
SurajParkash
On 12/29/13, tesla-request@xxxxxxxxxx <tesla-request@xxxxxxxxxx> wrote:
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> Today's Topics:
>
> 1. Re: just a thought (Jim Lux)
> 2. Re: just a thought (Mark Olson)
> 3. Re: just a thought (Atomic)
> 4. Re: just a thought (Fritz W. Egli)
> 5. Re: just a thought (Calculation) (mddeming@xxxxxxx)
> 6. Re: just a thought (mddeming@xxxxxxx)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Fri, 27 Dec 2013 10:19:33 -0800
> From: Jim Lux <jimlux@xxxxxxxxxxxxx>
> To: tesla@xxxxxxxxxx
> Subject: Re: [TCML] just a thought
> Message-ID: <52BDC4B5.8060900@xxxxxxxxxxxxx>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> On 12/27/13 9:48 AM, Reverend Fuzzy wrote:
>>
>> As I was waiting for the end of this morning's, eh, constitutional, I was
>> thinking... I have a bunch of old CD's laying around... if I were to sand
>> the silver coating off, and glue 3 or 4 of them together, (properly
>> centered
>> of course), would it be suitable as the rotor in a rotary spark gap for a
>> low-power SG coil ???
>>
>
> Don't see why not. They're polycarbonate, so it's mostly a matter of
> finding the right adhesive. One might also do something like get some
> fiberglass cloth to sandwich in there.
>
> Is a 4" disc big enough?
>
> And all the usual "plastic disc" issues: softening when electrodes get hot.
>
>
> The other thing you might be able to do with CDs is use them as a form
> for a toroid.If you could find something that would serve as "just the
> right size" spacer between them and can curve them into the right shape,
> you'd have something lightweight that could serve as structure under a
> conductive surface.
>
>
>
>
> ------------------------------
>
> Message: 2
> Date: Fri, 27 Dec 2013 16:22:15 -0600
> From: Mark Olson <kc5gym@xxxxxxx>
> To: Tesla Coil Mailing List <tesla@xxxxxxxxxx>
> Subject: Re: [TCML] just a thought
> Message-ID: <52BDFD97.3010400@xxxxxxx>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> On 12/27/2013 11:48 AM, Reverend Fuzzy wrote:
>> As I was waiting for the end of this morning's, eh, constitutional, I was
>> thinking... I have a bunch of old CD's laying around... if I were to sand
>> the silver coating off, and glue 3 or 4 of them together, (properly
>> centered
>> of course), would it be suitable as the rotor in a rotary spark gap for a
>> low-power SG coil ???
>>
>> Has anyone actually tried this? Just a thought, so no biggie if it's
>> goofy.
>>
>>
> Might work, but if you were to use them to interrupt the arc itself, I
> was told that it would just be a sireen.
>
> On another note, I once considered a stack of CDs as a capacitor, but
> never figured out a way to make the connections.
>
>
> ------------------------------
>
> Message: 3
> Date: Sat, 28 Dec 2013 09:25:24 -0200
> From: Atomic <atomicrox@xxxxxxxxx>
> To: Tesla Coil Mailing List <tesla@xxxxxxxxxx>
> Subject: Re: [TCML] just a thought
> Message-ID:
> <CAFgr0w0jKeir_B-xpAvYGf2YDHFRxOkRDzSdDkbgXCtD47ti2Q@xxxxxxxxxxxxxx>
> Content-Type: text/plain; charset=ISO-8859-1
>
> Mark, I like the idea of a CD stack capacitor. I have lots of old CDs here
> :)
> Maybe you could sand the paint (and maybe the aluminum reflective layer)
> off the backside and place a thin tin foil with the same dimensions as the
> reflective layer? You'd leave a strap on one side to connect all layers of
> the same polarity together and alternate the side the strap exits. Then
> just build it layer by layer on the cd holder tube and connect each side
> together.
>
> Anyone knows how to calculate the capacitance for this?
>
>
> On Fri, Dec 27, 2013 at 8:22 PM, Mark Olson <kc5gym@xxxxxxx> wrote:
>
>> On 12/27/2013 11:48 AM, Reverend Fuzzy wrote:
>>
>>> As I was waiting for the end of this morning's, eh, constitutional, I
>>> was
>>> thinking... I have a bunch of old CD's laying around... if I were to
>>> sand
>>> the silver coating off, and glue 3 or 4 of them together, (properly
>>> centered
>>> of course), would it be suitable as the rotor in a rotary spark gap for
>>> a
>>> low-power SG coil ???
>>>
>>> Has anyone actually tried this? Just a thought, so no biggie if it's
>>> goofy.
>>>
>>>
>>> Might work, but if you were to use them to interrupt the arc itself, I
>> was told that it would just be a sireen.
>>
>> On another note, I once considered a stack of CDs as a capacitor, but
>> never figured out a way to make the connections.
>>
>> _______________________________________________
>> Tesla mailing list
>> Tesla@xxxxxxxxxx
>> http://www.pupman.com/mailman/listinfo/tesla
>>
>
>
> ------------------------------
>
> Message: 4
> Date: Sat, 28 Dec 2013 14:51:20 +0100
> From: "Fritz W. Egli" <fritz@xxxxxxxxxxxxxx>
> To: "'Tesla Coil Mailing List'" <tesla@xxxxxxxxxx>
> Subject: Re: [TCML] just a thought
> Message-ID: <005301cf03d3$e369ac90$aa3d05b0$@ch>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Dear Christopher
> Instead of spending valuable time to build a rotary disc out of a bundle of
> CD`s, I would rather obtain the proven, heat resistant raw material, with
> the required mechanical and electrical strength and the right thickness and
> the raw dimension for machining the right diameter. Guaranteed less effort
> to obtain the functioning, perfect, safe result.
> Fritz
>
> -----Urspr?ngliche Nachricht-----
> Von: tesla-bounces@xxxxxxxxxx [mailto:tesla-bounces@xxxxxxxxxx] Im Auftrag
> von Reverend Fuzzy
> Gesendet: Freitag, 27. Dezember 2013 18:48
> An: Pupman Tesla List (Pupman Tesla List)
> Betreff: [TCML] just a thought
>
>
> As I was waiting for the end of this morning's, eh, constitutional, I was
> thinking... I have a bunch of old CD's laying around... if I were to sand
> the silver coating off, and glue 3 or 4 of them together, (properly
> centered
> of course), would it be suitable as the rotor in a rotary spark gap for a
> low-power SG coil ???
>
> Has anyone actually tried this? Just a thought, so no biggie if it's
> goofy.
>
> ---
> Reverend Christopher "Fuzzy" Mayeux
> Pastor, MSB Ministries
> Hattiesburg, MS
>
> http://www.msbministries.org
>
>
> _______________________________________________
> Tesla mailing list
> Tesla@xxxxxxxxxx
> http://www.pupman.com/mailman/listinfo/tesla
>
>
>
> ------------------------------
>
> Message: 5
> Date: Sat, 28 Dec 2013 10:56:58 -0500 (EST)
> From: mddeming@xxxxxxx
> To: tesla@xxxxxxxxxx
> Subject: Re: [TCML] just a thought (Calculation)
> Message-ID: <8D0D1FC91F531B5-3FEC-4FB2B@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
> Content-Type: text/plain; charset="us-ascii"
>
>
> A decent approximation is:
>
>
> C=8.85x10^-12 x DC x A x (N-1) /d
>
>
> C=capacitance in uF,
> DC=Dielectric constant, air=1
> A=area of one plate, (sq.in.)
> N=number of plates,
> d=dielectric thickness (in.)
>
>
> Matt D
>
>
> -----Original Message-----
> From: Atomic <atomicrox@xxxxxxxxx>
> To: Tesla Coil Mailing List <tesla@xxxxxxxxxx>
> Sent: Sat, Dec 28, 2013 9:59 am
> Subject: Re: [TCML] just a thought
>
>
> Mark, I like the idea of a CD stack capacitor. I have lots of old CDs here
> :)
> Maybe you could sand the paint (and maybe the aluminum reflective layer)
> off the backside and place a thin tin foil with the same dimensions as the
> reflective layer? You'd leave a strap on one side to connect all layers of
> the same polarity together and alternate the side the strap exits. Then
> just build it layer by layer on the cd holder tube and connect each side
> together.
>
> Anyone knows how to calculate the capacitance for this?
>
>
> SNIP++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>
>
>
> ------------------------------
>
> Message: 6
> Date: Sat, 28 Dec 2013 11:13:04 -0500 (EST)
> From: mddeming@xxxxxxx
> To: tesla@xxxxxxxxxx
> Subject: Re: [TCML] just a thought
> Message-ID: <8D0D1FED1F49B6F-3FEC-4FBF6@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
> Content-Type: text/plain; charset="us-ascii"
>
>
>
>
> -----Original Message-----
> From: Fritz W. Egli <fritz@xxxxxxxxxxxxxx>
> To: 'Tesla Coil Mailing List' <tesla@xxxxxxxxxx>
> Sent: Sat, Dec 28, 2013 10:45 am
> Subject: Re: [TCML] just a thought
>
>
> Dear Christopher
> Instead of spending valuable time to build a rotary disc out of a bundle of
> CD`s, I would rather obtain the proven, heat resistant raw material, with
> the required mechanical and electrical strength and the right thickness and
> the raw dimension for machining the right diameter. Guaranteed less effort
> to obtain the functioning, perfect, safe result.
> Fritz
>
>
>
> Hi Fritz, Christopher, et.al.
> Three reasons for trying the CD stack Cap:
> "Why do you want to climb Mount Everest?" "Because it's there" George
> Herbert Leigh Mallory
>
> "Some folks would rather spend hours making a wooden toy than buying one off
> the shelf".
>
>
> "Without deviation from the norm, progress is not possible" Frank Zappa
> Peace & Joy of the season,
> Matt D.
>
>
>
>
>
>
> ------------------------------
>
> _______________________________________________
> Tesla mailing list
> Tesla@xxxxxxxxxx
> http://www.pupman.com/mailman/listinfo/tesla
>
>
> End of Tesla Digest, Vol 74, Issue 25
> *************************************
>
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