Electrical Power Generation From Heat – not far fetched, as isn’t that how a steam plant works?
But what about Direct Electrical Power Generation From Heat? That seems a bit more a task.
At my favorite coffee shop, The Red Cup on Washington Island, I noticed a self-contained electric fan. It used a thermocouple type of set up to generate enough power to run a small electric fan.
SO what about powering a radio this way?
Seems it has been done. England and Russia both had commerical offerings well into the 1950’s for Kerosene powered generators for radios!
Here is a website with several featured:
In the modern market place these themogenerators are available and mostly used commerically:
Now whether a small system would work for an amateur radio station needs to be worked out.
Certainly if buffered by a battery bank it would work.
Watching eBay for one of these vintage Thermo Electric Generators to give it w a whirl!