Re: [Elecraft] the fine line between stupid and curious

2006-01-04 Thread Andy McMullin


On 4 Jan 2006, at 00:52, Larry Makoski W2LJ wrote:


Nick Waterman wrote:


That was my  first introduction
to 120VAC in one arm and out the other.



Pah, you're all a bunch o' wimps! 240V in EU   ;-)



Power usage being equal, this would mean less current.



yea but it's the volts that jolts -- and it's the mills that kills.

--
Regards
Andy, G8TQH
http://www.rickham.net/


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[Elecraft] the fine line between stupid and curious

2006-01-03 Thread wayne burdick

This thread is vaguely disturbing, but I'll add my 2 cents.

At about age 9, I came into possession of a 5 square, midrange TV 
speaker. It had heavy-duty leads, stripped, tinned, and ready to go. I 
wondered what 60 Hz sounded like, and there was no shortage of AC 
outlets in my room.


Fortunately for my young ears, the speaker coil vaporized within a few 
seconds.


73,
Wayne
N6KR


---

http://www.elecraft.com

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Re: [Elecraft] the fine line between stupid and curious

2006-01-03 Thread Simon Brown (HB9DRV)

There's logic in this idea.

When also 9 I decided to turn my father's shortwave receiver into a 
transmitter by wiring a microphone in series with the mains cable. Thank 
goodness it was an ex-army bakelite microphone - when I pressed the button 
all the lights went out!


Simon Brown
---
http://blog.hb9drv.ch/

- Original Message - 
From: wayne burdick [EMAIL PROTECTED]


At about age 9, I came into possession of a 5 square, midrange TV 
speaker. It had heavy-duty leads, stripped, tinned, and ready to go. I 
wondered what 60 Hz sounded like, and there was no shortage of AC outlets 
in my room. 


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Re: [Elecraft] the fine line between stupid and curious

2006-01-03 Thread Simon Brown (HB9DRV)
I should point out that at age 9 I managed a sort of series - parallel 
arrangement. The fact that I am still breathing shows that I couldn't even 
blow myself up properly.


Simon Brown
---
http://blog.hb9drv.ch/

- Original Message - 
From: Simon Brown (HB9DRV) [EMAIL PROTECTED]




There's logic in this idea.

When also 9 I decided to turn my father's shortwave receiver into a 
transmitter by wiring a microphone in series with the mains cable. Thank 
goodness it was an ex-army bakelite microphone - when I pressed the button 
all the lights went out!




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RE: [Elecraft] the fine line between stupid and curious

2006-01-03 Thread EricJ
If you had experimented with earphones, all of us here would all be using
Japanese transceivers today. 

Eric
KE6US
www.ke6us.com 

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of wayne burdick
Sent: Tuesday, January 03, 2006 11:31 AM
To: Elecraft Reflector
Subject: [Elecraft] the fine line between stupid and curious

This thread is vaguely disturbing, but I'll add my 2 cents.

At about age 9, I came into possession of a 5 square, midrange TV speaker.
It had heavy-duty leads, stripped, tinned, and ready to go. I wondered what
60 Hz sounded like, and there was no shortage of AC outlets in my room.

Fortunately for my young ears, the speaker coil vaporized within a few
seconds.

73,
Wayne
N6KR


---

http://www.elecraft.com

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Re: [Elecraft] the fine line between stupid and curious

2006-01-03 Thread Stephanie Maks
When I was in my early teens I was working on some project or  
another, that used the mains power.  I remember I was always  
unhooking and rehooking it as I worked on it so I ended up just using  
a mains cord with an inline switch, that ended in a pair of aligator  
clips.


At one point I had it all hooked up and wanted to show my parents my  
project, so I pushed the button and something I'd installed  
incorrectly on the project vaporized with the surge of AC power.   
Unknown to me, this surge also fused the switch contacts closed.   
Dissapointed I 'turned off' the switch and grabbed the aligator clips  
(one with each  hand) to remove them from the circuit.  That was my  
first introduction to 120VAC in one arm and out the other.


It didn't knock me out but I sure jumped, and it left both hands and  
forearms numb for about 15 minutes.


Oh and needless to say, the folks were very underwhelmed with my  
electronics skills.  Happily they never did anything to try and put  
me off electronics, just encouraged me to be a little more careful.


My first exposure to elecricity though came when I was much younger,  
perhaps only about 5.  I had a little record player and one time  
while plugging it in, I was holding the little 2-prong plug wrong.   
Basicaly my thumb was touching one prong and a finger touching the  
other prong.  The player must have had a transformer or something  
that was hooked into the circuit because although I got some current,  
it was not the least bit uncomfortable.  It felt like my whole hand  
was being massaged from the inside.  Once I 'discovered' this, I did  
it again a number of times, as it was a bit of a kick.  I know I  
showed the 'trick' to my sister but I'm pretty sure I never shared  
that with the parents - I didn't want them to take away the record  
player.


73 de
Stephanie
va3uxb

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Re: [Elecraft] the fine line between stupid and curious

2006-01-03 Thread Nick Waterman
 That was my  first introduction
 to 120VAC in one arm and out the other.

Pah, you're all a bunch o' wimps! 240V in EU   ;-)

-- 
Nosey Nick Waterman, G7RZQ, k2 #5209.
#include stddisclaimer[EMAIL PROTECTED]
The gene pool could use a little chlorine.
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Re: [Elecraft] the fine line between stupid and curious

2006-01-03 Thread Leigh L Klotz, Jr.
When I was 5 I brought a hot wire electrician's test screwdriver with 
a neon bulb and resistor inside to my kindergarten vlass for Show and 
Tell.  I told the teacher, You just stick this screwdriver in the 
outlet and ... For some reason they wouldn't let me show the class.

Leigh / WA5ZNU
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Re: [Elecraft] the fine line between stupid and curious

2006-01-03 Thread Larry Makoski W2LJ

Nick Waterman wrote:


That was my  first introduction
to 120VAC in one arm and out the other.
   



Pah, you're all a bunch o' wimps! 240V in EU   ;-)

 


Power usage being equal, this would mean less current.

73 de Larry W2LJ

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Re: [Elecraft] the fine line between stupid and curious

2006-01-03 Thread Larry Makoski W2LJ
Two events in my life caused me to have a healthy respect for 
electricity.  The first occurred when I was 5 or 6 years old.  I was 
home  from school with the flu; and I remember that it must have been a 
particularly bad spell as Mom had a vaporizer going in my room.  One 
morning as I was getting better, she told me to unplug it for the 
daytime.  I pulled on the plug (not the wire!) and pulled and pulled and 
pulled; but it wouldn't budge.  Being somewhat mechanically minded, I 
decided I needed a lever to pry it out.  My sister's letter opener 
seemed like just the ticket.  Boy, the house went dark real fast, the 
letter opener vaporized and I nearly messed myself!  Dad was NOT happy 
with having to come home from work to change out the fuse in the fuse box!


The second incident came at where I work now.  Since incident number 1 
above, I had always had a healthy respect for electricity.  I repair 
professional photographic studio equipment for a living and am always in 
contact with stroboscopic packs which can deliver a flash up to 3200 
Joules.  Needless to day, I'm always very careful.  Then came the one 
day that I started to repair a flash head that a photographer tried to 
fix himself - couldn't; but didn't tell me that he tried!  I hooked up 
the head to a pack, held it in my hand and fired it.  Normally, the 
housing is grounded.  He had mistakenly wired hot to the housing.  I 
think I threw that flash head across the room with enough force to throw 
it through the wall!  My arm was numb for about 15 minutes; and after 
that, I always gave things a visual going over before trying them out. 

I still have a healthy respect for electricity and an even healthier 
respect for the fact that someone else's mistakes might cause me grave 
danger!


73 de Larry W2LJ

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Re: [Elecraft] the fine line between stupid and curious

2006-01-03 Thread Joe-aa4nn

I wrapped my fingers around the Elecraft BL1 balun to see if it
was getting warm while transmitting...  duh...  100+ RF Watts.
de Joe, aa4nn


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