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Re: [TCML] Beginning Tesla Design



I'm not really sure how to respond to that, other than that my MMS is being
supplie by a friend. I don't want this to be as big as possible, but rather
a simple, small, economic design. I have approximately $45 to make this, not
including my NST.
On Dec 31, 2010 12:27 PM, "Brandon Garretson" <garretsontech@xxxxxxxxx>
wrote:
> Your primary cap looks a little small and close to resonant size, try to
get
> it up just over 9nf like TeslaMap recommends for a static gap.
> Also try to build it to handle at least 1.5 to 2 times your NST secondary
> voltage as the caps you will likely use are rated for DC.
> My 12/60 powered coil MMC is rated over 30kv.
>
>
> On Thu, Dec 30, 2010 at 10:05 PM, Futuret <futuret@xxxxxxx> wrote:
>
>> Taylor,
>>
>> The spark gap is the heart of a Tesla coil in a sense, so it's a good
>> idea to build something with good quenching. I assume you'll begin
>> by using a static gap. Gary Lau's vacuum gap or pressure gap is
>> an excellent design. The TCBOR/Richard Quick gap works well too.
>>
>>
>> If you use a PFC cap on the NST be sure it's not the motor start
>> electrolytic type which can explode. A motor *run* cap is OK
>> (the type in a metal can... not electrolytic). It's not really necessary
>> to use a PFC cap. Using such a cap will just reduce the input current and
>> improve the power factor.
>>
>> You'll probably want to include a safety gap and "Terry Filter" also, to
>> protect the NST. Gary Lau has some good comments at his website
>> regarding how to connect the various grounds to reduce electrical
>> kickback into the house wiring.
>>
>> Cheers,
>> John
>>
>>
>>
>>
>>
>>
>>
>>
>> -----Original Message-----
>> From: Taylor Skidmore <balt11t@xxxxxxxxx>
>> To: tesla <tesla@xxxxxxxxxx>
>> Sent: Thu, Dec 30, 2010 9:32 pm
>> Subject: [TCML] Beginning Tesla Design
>>
>>
>> My name is Taylor Skidmore and recently I decided that I wanted to make
>>
>> a Tesla coil. After spending hours reading over the internet, I decided
>>
>> that I was ready to craft my own, but I was wondering if you could
>>
>> simply look over my design and put in any comments you might have. I did
>>
>> make this with TeslaMap, as my experience in electronics did not allow
>>
>> me to attempt to make my own calculations, even though I did try. If
>>
>> there is something wrong, could you please help me find the mistakes?
>>
>>
>>
>> Thanks,
>>
>> Taylor Skidmore
>>
>>
>>
>> 12/30/2010
>>
>>
>>
>> --- Power Supply ---
>>
>> NST V Out 12 kV
>>
>> NST I Out 30 mA
>>
>> Input V 120 V
>>
>> Input F 60 Hz
>>
>> NST VA 360.0
>>
>> NST Watts 371.4 W
>>
>> NST Impedance 400 Kohms
>>
>> Max Arc 32.8 in
>>
>> NST PFC Cap 66.3 uF
>>
>>
>>
>> --- Primary Capacitor ---
>>
>> Your Cap 5.88 nF
>>
>> Resonate Cap 6.6 nF
>>
>> LTR Static Cap 9.3 nF
>>
>> LTR Sync Cap 12.6 nF
>>
>>
>>
>> --- Secondary Coil ---
>>
>> Single build magnet wire
>>
>> Wire AWG 22 AWG
>>
>> Wire Length 1,061.3 ft
>>
>> Wire Weight 2.06 lbs
>>
>> Wire Resistance 17.2 ohms
>>
>> Secondary Height 24 in
>>
>> Secondary Diameter 4.5 in
>>
>> H/W Ratio 5.3 : 1
>>
>> Turns 901.4
>>
>> Secondary L 14.22 mH
>>
>> Secondary C 9.22 pF
>>
>>
>>
>> --- Top Load ---
>>
>> Overall Diameter (1) 18 in
>>
>> Ring Diameter (1) 4.5 in
>>
>> Overall Diameter (2) (optional) in
>>
>> Ring Diameter (2) (optional) in
>>
>> Sphere Diameter unknown
>>
>> Top Load Adjust 95 %
>>
>> Top Load C 21.39 pF
>>
>>
>>
>> --- Top Load + Secondary ---
>>
>> Resonate F 241.20 kHz
>>
>>
>>
>> --- Primary ---
>>
>> Wire Diameter .25 in
>>
>> Wire Spacing .25 in
>>
>> Hole Diameter 6.5 in
>>
>> Coil Angle unknown
>>
>> Coil Adjust 95 %
>>
>>
>>
>> Needed primary inductance with:
>>
>> Your Cap 46.52 uH
>>
>> Resonate Cap 41.25 uH
>>
>> LTR Static Cap 29.47 uH
>>
>> LTR Sync Cap 21.71 uH
>>
>>
>>
>> --- Design Notes ---
>>
>> No notes
>>
>>
>>
>>
>>
>> _______________________________________________
>>
>> Tesla mailing list
>>
>> Tesla@xxxxxxxxxx
>>
>> http://www.pupman.com/mailman/listinfo/tesla
>>
>>
>>
>>
>>
>> _______________________________________________
>> Tesla mailing list
>> Tesla@xxxxxxxxxx
>> http://www.pupman.com/mailman/listinfo/tesla
>>
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