Re: [TCML] Smoke Detector Issues

[jhowson4@xxxxxxxxxxx]

Mr. Testein, 

"electrical engineering is physics for slow kids" 
I am a physics major with an EE minor... just to comment for those of us who are too lazy or don't want to get involved, I take offence to this.. 
Electrical Engineering is applied physics, but as with any engineering it just has a laser beam focus on the the topic of interest ie the principles of electricity and electronics . Remember it all eventually goes back to V=IR in some way shape or form. 


To me it s ounds like the close proximity is just inducing weird charges or currents on the CO detector. As it would do with any electronic device at such a close proximity. Not necessarily ions passing threw plastic... 




Thanks, 
John "Jay" Howson IV 


"Why thank you, I will be happy to take those electrons off your hands." 

----- Original Message -----
From: "nickobert testein" <nickobert.testein@xxxxxxxxx> 
To: "Tesla Coil Mailing List" <tesla@xxxxxxxxxx> 
Sent: Thursday, February 2, 2012 3:49:53 AM 
Subject: Re: [TCML] Smoke Detector Issues 

On Wed, Feb 1, 2012 at 4:21 PM, Gary Lau <glau1024@xxxxxxxxx> wrote: 
> I just performed a limited experiment. Unfortunately I only had two types 
> of units available to me. 
> 
> I did manage to trip a battery powered CO detector if I put it ~18" from the 
> 10" discharge arc. Wrapping in in a plastic bag made no difference. 

I thought you just said ions don't pass through matter- huhumph! 
electrical engineering is physics for slow kids. 

But 
> moving it much more than 18" fixed the problem. I think it was just a case 
> of very close proximity to HV mayhem. 
> 
> My house has hard-wired, battery-backed-up detectors. But unfortunately 
> these are photo-electric units, not ionization. I unplugged one unit and 
> put it in the same place, 18" below the 10" arc, but it was unaffected. I 
> did not try to see it it would trigger if it was connected to its AC source. 
> I commonly run the same coil about 10 feet away from the same plugged-in 
> detector with no problems. 
> 
> I need to find an ionization-based detector. 
> 
> Regards, Gary Lau 
> MA, USA 
> 
>> From: John Paul Gripp <pupman@xxxxxxxxxxxx> 
>> Subject: [TCML] Smoke Detector Issues 
>> To: tesla@xxxxxxxxxx 
>> Date: Saturday, January 28, 2012, 11:47 PM 
>> 
>> 
>> Hello All, 
>> 
>> I have been having a problem with my smoke detectors going off every time 
> I 
>> run my SGTC or VTTC. I am assuming it is EMI/RFI that is causing it. It 
>> would not be so bad, except that I live in a townhome and it tends to set 
>> the smoke detectors off at my neighbors place as well. Has anyone ever 
>> dealt with this before? Anyone have any clue what I could do to prevent 
> it? 
>> I wouldn't want to have to chose between moving and coiling! 
>> 
>> Thanks for any help you can provide! 
>> 
>> JP 
> 
> 
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