[aprssig] Amazing resistors
kb1chu at aol.com
Mon Sep 8 11:46:46 CDT 2014
I tell my kids the stuff that I did as a kid would bring Homeland
Security down on me today. I'M AMAZED I HAVE ALL MY FINGERS TODAY! Steve
On 9/8/2014 11:59 AM, Curt, WE7U wrote:
> On Sat, 6 Sep 2014, Al Wolfe wrote:
>> In my mis-spent youth I was involved with many projects that
>> required a squib, that is, an electrical igniter After a lot of
>> trial and error we settled on some very thin steel wire. Basically,
>> we found some picture hanging wire and discovered it was
>> seven-stranded. Unwinding one of the strands gave us a single thin
>> steel wire that was perfect for our projects. It would instantly
>> explode with 120 volts applied and glow brightly at 12 volts before
>> oxidizing and disintegrating.
> Hah! In junior high or early high school I figured out that a
> 30-gauge wire-wrap wire made a better igniter for my Century rocket
> engines than the expensive igniter wires they sold... Saved money
> -and- made every launch successful. I also wired my launcher to the
> family's car battery instead (launched from the driveway), which also
> increases reliability.
> I claim to know nothing about blowing up resistors on purpose... Really.
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