SacredRose t1_j4n4dfc wrote on January 16, 2023 at 9:56 PM Reply to comment by Inutilisable in How do non electric heat operated fans work? by ranman12953 You need to build something with as little friction as possible and it needs to run super smooth all the way around. I imagine the precision machining needed to build larger versions is gonna be pretty high and tricky so it won’t be cheap. Permalink Parent 6
SacredRose t1_j4n4dfc wrote
Reply to comment by Inutilisable in How do non electric heat operated fans work? by ranman12953
You need to build something with as little friction as possible and it needs to run super smooth all the way around. I imagine the precision machining needed to build larger versions is gonna be pretty high and tricky so it won’t be cheap.