His looks identical to this one
It'll run off your hand, but off a coffee cup is better 🙂
Then again – my dad and I both prefer tepid coffee… 🙂
March 13, 2020 at 02:02PM
via reddit https://www.reddit.com/r/MachinePorn/comments/fhzxo0/this_neat_little_stirling_engine_and_i_cant_stop/fkex8d7?utm_source=ifttt