Ok, then i'm roughly in that sweet spot at 2400v. If you have any pictures of
the custom heatsinks you used i would like to see those. I have seen a few
other options on the net, including one that was a rather large aluminum
heatsink with a fan mounted directly to it... The best i can figure is that
works because its a plastic housing on the fan, but that would be scary to have
low voltage in such a close proximity to the anode voltage.
I have a tuned input, built it using the MFJ analyzer and some guidlines online
showing what coil size and number of turns i needed, etc. Its a 6M amp based
off the YU1AW design and adapted slightly to the info others provided that made
slight improvements.
Go here if you want to see pictures of it.
http://www.kb0nly.net/6mqro.html
I'm thinking about building a 2M amp now using the same tube, but it won't
likely be using a FL-2100B as a the donor amp for construction. I had thought
about squeezing two tubes into the FL-2100B chasis but then i would have needed
a different power supply to handle the plate current needed.
Every little bit of info helps, it sure is becoming a fun journey to learn all
this!
73,
Scott
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