RE: [TCML] noise & heat

[Mitch Newman <gbith@xxxxxxxx>]

i used a 2in by 10in secondary coil 
for the topload i made a 6in by 1in toroid 
to power it i used a 2000v 1000w MOT with two halogen light bulbs to current limit it 
i just had on some ear muffs
and it was definitely coming from the spark gap 
and also what else can i use to current limit the MOT cause those bulbs get very hot and they are very bright 
Thanks heaps,
Mitch ~ Gb> Date: Wed, 3 Jun 2009 12:54:25 -0700> From: quarkster@xxxxxxx
> Subject: Re: [TCML] noise & heat
> To: tesla@xxxxxxxxxx
> CC: 
> 
> Mitch -
> 
> Although your question is interesting, you have provided no specific data at all.  
> 
> You state that you made a "very small Tesla coil", and that even when wearing "ear protection", the sound level was so intense that it "hurt your ears".
> 
> Without further information, this all just sounds very implausible. Can you provide some SPECIFIC information so that we can respond to your inquiry?
> 
> Questions like:
> 
> 1. What is a "very small Tesla coil"? Specifically, what type of power source is used, and what are its electrical ratings (e.g. 5kV, 30ma neon sign transformer, or transformer from an 800 Watt microwave oven, etc).
> 
> 2. What are the dimensions of the secondary coil and the topload?
> 
> 3. Exactly what type of hearing protection were you wearing?
> 
> 4. As far as you can tell, was the source of the sound the spark gap, or the actual arcs from the topload?
> 
> Regards,
> Herr ZApp
> 
> --- On Tue, 6/2/09, Mitch Newman <gbith@xxxxxxxx> wrote:
> 
> From: Mitch Newman <gbith@xxxxxxxx>
> Subject: [TCML] noise & heat
> To: "tesla mailing list" <tesla@xxxxxxxxxx>
> Date: Tuesday, June 2, 2009, 6:49 PM
> 
> 
> Hi there guys,I am just wondering, i just made a very small Tesla coil for fun before i made a larger one, and when i turned it on for the first time i had ear protection but it was so loud that it hurt even with those on. And you could hear it from so far away is that normal, also the spark gap heated up very quick and to an extreme temp that it melted the two bolts i was using in about 15 seconds of running and well thats when it stopped.
> what could i do to fix this problem? 
> and is it normal? 
> and will it get louder with a larger coil?
> Mitch ~ Gb
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