Fred, I found the type of blades your looking for on e-bay. For
reasons other than those you suggested, I don't think it's a good idea
to have razor blades around 6th graders, regardless of how good a
learning tool they may be.
73's Dave, KW4N
______________________________________________________________
From: Fred Jensen <[EMAIL PROTECTED]>
Reply-To: [EMAIL PROTECTED]
To: Elecraft Reflector <[email protected]>
Subject: [Elecraft] POW Receiver
Date: Wed, 12 Oct 2005 19:22:06 -0700
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<[email protected]>; Wed, 12 Oct 2005 19:17:49 -0700
>Off topic, I apologize, but I want to tap the knowledge pool in
this
>group, and I'll continue regardless:
>
>I'm involved with a 6th grade teacher (a ham, he bought my TS830 a
>few years ago) at a local, sort of disadvantaged school. He's
>trying to find ways to reach his kids, and ham radio has worked
out
>pretty well so far with QSO's with a class in Portland OR via 2m
and
>IRLP. I've offered to help him.
>
>I know the recipe for a "POW Radio Receiver" -- some wire in an
>inductor, a capacitor made from rolled up gum wrappers, and a
pencil
>lead on an anodized razor blade, with some stolen headphones, and
as
>new hams in the late 50's, my buddies and I built these and
listened
>to KFI. His kids and he think this would be a great project. We
>won't hear the WW2 BBC, but we might hear KFBK if we can make it
>work.
>
>A couple of problems:
>
>1. Razor blades have changed from the "Gillette Blue Blades" of
>yore. Can I still get them?
>
>2. "Razor blades" and "campus" don't sound like they belong in
the
>same sentence. Any suggestions for substitutes that would pass
the
>"campus security test?"
>
>3. Any other info anyone might have to help me to, at the
beginning
>of the 21st century, recreate for these kids something from the
>middle of the 20th century (when their parents' hadn't yet been
>conceived).
>
>There's a lot of learning to be had here ... history, reading,
>learning how to sequence the steps of a project, and satisfaction
in
>achievement, and these kids are lacking in nearly all of these
>things. I wouldn't attack this if I didn't have a Real Teacher in
>charge.
>
>Thanks in advance,
>
>Fred K6DGW
>Auburn CA CM98lw
>
>PS: We may get some young hams out of this.
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