A Summer Project
Work has begun on a new "summer project" (as well as re-shingling the woodshed and garden shed roofs) ... a 3-tube audiodyne receiver.
This one appeared in the January 1933 addition of QST (Rationalizing the Audiodyne by George Grammer) and then in subsequent Handbooks for a few years. It's the type of building I like to do, with lots of pre-planning before breaking out the tools, measuring all components carefully and refurbishing some of the 85+ year old parts.
courtesy: arrl.org |
So far, I've completed all of the shielding and drilling of critical holes ... all measured three or four times before taking the plunge. The only chassis available (Hammond or Bud) is about 1/2" smaller in width and depth, making everything just a little snugger, but still maintaining proportions.
I have no idea how it will perform but so far it's been a fun project. If it works well, even better yet ... but handily, it's given me a good excuse to avoid more important things, like the two roof projects!
Go to the Yahoo “Regenerative Receiver” group for some hints, help, insights, etc. Very useful stuff.
73 /paul W3FIS