15000 volts per meter
best
dwp
sent ffrum my sillyphone
Jim <electrical@xxxxxxxxxxxx> wrote:
>Please define 15kv/m ?
>
>On 4/20/2014 10:22 PM, Carl wrote:
>> 15 V/m and 3 V/m are tiny electric fields. Walk outside and you are
>> in about 100 V/m due to the charge on the ionosphere. Are you sure
>> you haven't dropped a k? Even 15 kV/m at that distance seems low.
>>
>> ---Carl
>>
>>
>>
>>
>> -----Original Message----- From: Adam Munich
>> Sent: Sunday, April 20, 2014 6:17 PM
>> To: Tesla Coil Mailing List
>> Subject: Re: [TCML] Tesla coil threat to pacemakers
>>
>> Bturner,
>>
>> For what it's worth, I have measured e-field strengths of up to 15V/m
>> about 2 meters from my DRSSTC. I would advise caution.
>>
>> Regards,
>> -Adam
>>
>> On Sun, Apr 20, 2014 at 8:31 PM, Jim <electrical@xxxxxxxxxxxx> wrote:
>>> I worry about my classic coil all of the time. A friend recommends
>>> putting
>>> the static spark gap only in a faraday cage (like metal screening). He
>>> believes the spark gap is the only culprit.
>>>
>>>
>>> On 4/20/2014 3:02 PM, Kuba Anglin wrote:
>>>>
>>>> Hey,
>>>>
>>>> I recently finished my first Tesla coil and am very impressed by its
>>>> performance. After a couple minutes of tuning, I was looking at 3-4
>>>> foot
>>>> streamers. There have been no problems with the coil so far except
>>>> for the
>>>> over-coupling issue, which I solved.
>>>>
>>>> The Tesla coil is now no secret to my immediate or extended family,
>>>> and I
>>>> have many requests for demonstrations. Especially from my
>>>> grandmother who
>>>> is very impressed with me and my brother's work (I worked on this
>>>> project
>>>> with my twin brother). However, she has a pacemaker, and I have
>>>> explained
>>>> to her that the inductance field produced by the Tesla coil will damage
>>>> any
>>>> nearby electronics including pacemakers. I did some reading and for my
>>>> Tesla coil, 20 feet is a safe distance. Interestingly, I had my
>>>> phone in
>>>> my
>>>> pocket (samsung s4) during my first few runs and it works perfectly
>>>> even
>>>> though it had been within fluorescent tube igniting range for at
>>>> least 20
>>>> seconds.
>>>>
>>>> Before I built my Tesla coil, I had nearly 4 months of research
>>>> behind me.
>>>> I made sure I had a very good understanding of every component and
>>>> its use
>>>> before I bought one piece. I have never taken a physics class as I am
>>>> currently a 16 year old high school sophomore taking AP chemistry,
>>>> but I
>>>> feel as though I may not need to at this point (don't worry, I will
>>>> take
>>>> physics next year and AP physics the year after as I have heard that
>>>> the
>>>> curricula are different). That said, I have done extensive research
>>>> on all
>>>> aspects of how and why a Tesla coil works.
>>>>
>>>> The only problem is that anyone who sees the Tesla coil makes
>>>> assumptions.
>>>> The ignorance I have experienced from others has become infuriating.
>>>> This
>>>> is why I would finally like to settle this.
>>>>
>>>> *What is a safe distance to stand from my Tesla coil if the person in
>>>> subject has a pacemaker?* Please include your education and/or
>>>> experience.
>>>> Any other unrelated comment or questions are also welcome. I have all
>>>> information regarding my Tesla coil below:
>>>>
>>>> *Video:*
>>>>
>>>> https://www.youtube.com/watch?v=Y1jNe0FIZ8g&feature=youtu.be
>>>>
>>>> *Image:*
>>>>
>>>> http://s30.postimg.org/9d1txzls1/Tesla_Pic.jpg
>>>>
>>>> *Parts:*
>>>>
>>>> 12KV 60mA Transformer (input 120V 60Hz)
>>>>
>>>> 28 (14X2) .15uF 2KV Capacitors
>>>>
>>>> 28 Resistors
>>>>
>>>> Tungsten Spark Gap
>>>>
>>>> Brass Safety Gap
>>>>
>>>> 1/4" 11 Turns Copper Primary
>>>>
>>>> 1/2" Strike Rail
>>>>
>>>> 4" PVC Pipe 2' Secondary 26 AWG Magnet Wire 1200 Turns
>>>>
>>>> 13"X4" Aluminum Spun Toroid
>>>>
>>>>
>>>> Thank You,
>>>>
>>>> Kuba Anglin
>>>> _______________________________________________
>>>> 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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