At 11:31 AM 10/8/99 +0100, Pete Smith wrote:
>I can't speak for real RF power tubes, but I melted a 6KD6 sweep tube in my
>old Yaesu FTDX-560 that way. Clear evidence of melted glass, followed by
>an implosion, leaving a window in the envelope.
>
>73, Pete Smith N4ZR
Pete, I'm interested in this experience of yours because I was never able
to purposely get a tube to do that. I always experimented with small tubes
(spell that c-h-e-a-p) of similar size. I could easily get the anode white
hot and the tube would eventually go toes up, but never did suck any glass
in. Was there a hole in the anode? Maybe an errant electron beam helping
out? I don't know, but I sure would like to.
I just had an idea. I have the torch and can borrow a digital camera. If
results warrent, I'll try to post a pix! Any body want to volunteer to melt
down their amp for picturs?
73,
Larry - W7IUV
w7iuv@arrl.net
http://www.axtek.com/w7iuv
Amp pix at http://207.108.137.61
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