Howdy all! I'm your latest newbie here. I just bought my dream homestead, and among the trees already growing here are what I believe to be Chinese tung oil trees. Google has not been of much use for learning how to harvest & process the nuts to get the useful oil, so I thought I would call upon your collective wisdom. All suggestions or links to useful info would be most welcome.
I don't know anything about tung oil nuts, but I was researching how to get oil out of Canola seeds and was finding many seeds and pits just get squished. Or ground up then squished. Sometimes extra heat is included while squishing.
For small scale "just trying it out" a hydraulic bottle jack is the easiest high pressure tool available.
permaculture is largely about replacing oil with people. And one tiny ad: