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Re: [TCML] Geek Group HV Lab Fire



Oh you know what guys. 
I was all mixed up. 
I thought it was acrylic that was lexan. 

Thanks for the correction :) 

Are their different types of polycarbonate/lexan?

Part of the reason I had it wrong, was when someone said cut this lexan or cut this polycarbonate. It always seemed that the poly cut differently (nicer). 
But if they are the same thing, how can that be. =\

Cheers
John "Jay" Howson IV

Sent from a tiny phone with a tiny keyboard. 

----- Reply message -----
From: "krux" <krux@xxxxxxxxxx>
To: "Tesla Coil Mailing List" <tesla@xxxxxxxxxx>
Subject: [TCML] Geek Group HV Lab Fire
Date: Tue, Jan 7, 2014 8:42 pm


Lexan is a brand name for a type of polycarbonate sheet.


    Common Acrylic Brands

        Acrylite, Altuglas, Chemcast, Lucite, Optix, Perspex, Plexiglas, Repsol, Setacryl

    Common Polycarbonate Brands

        Barlo, Calibre, Hyzod, Lexan, Markrolon, Palsun, Sustanat, Tecanat, Tristar


As far as I remember, Chris mentioned they used Acrylic in the MMC.  Polycarbonate is nasty stuff when it burns.. Acrylic on the other hand is much safer to deal with.. I still wouldn't breath in the vapors of acrylic, but the poisonous vapors are one of the reasons why most places won't laser cut polycarbonate (it also doesn't laser cut very well)



On 2014-01-07 14:24, jhowson4@xxxxxxxxxxx wrote:
> Ah,
> I did not know that about lexan, I'm glad I am using polycarbonate on
> my sparkgap.
> > John "Jay" Howson IV
> > Sent from a tiny phone with a tiny keyboard.
> > ----- Reply message -----
> From: "terry" <terry@xxxxxxxxxx>
> To: "Tesla Coil Mailing List" <tesla@xxxxxxxxxx>
> Subject: [TCML] Geek Group HV Lab Fire
> Date: Mon, Jan 6, 2014 9:04 pm
> > > Hi Chris,
> > Sad to here of the fire and damage :(
> > An idea is to get those fire alarms that have alarm level relay
> contacts.  When the smoke detector goes off, the contacts close and a
> big contactor for the building's power drops the whole electricity
> show out.  That probably would have easily saved the farm in this
> case.  The system cost is fairly tiny.
> > Try not to use Lexan for anything.  It burns like napalm.  I know
> everyone loves it, but in a fire you might as well use diesel fuel...
> > Anyway, have fun with your rebuilding project!
> > Best Regards,
> >     Terry
> > > On 01/05/2014 03:44 PM, Chris Boden wrote:
>> Of interest to the general HV world.
>> https://www.youtube.com/watch?v=_oDb7J71QVw
>> >> https://www.youtube.com/watch?v=SaModLpPr38
>> >> https://www.youtube.com/watch?v=Mm7WNpGsl1A
>> >> >> Cleanup is well underway, and reconstruction will begin immediately >> after.
>> >> >> >> Christopher Boden
>> President, C.E.O.
>> The Geek Group
>> www.thegeekgroup.org
>> We Build Awesome!
>> >> >> >> _______________________________________________
>> Tesla mailing list
>> Tesla@xxxxxxxxxx
>> http://www.pupman.com/mailman/listinfo/tesla
>> >> > > _______________________________________________
> 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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