How to Build an EngineBy crazydragonking99 in WorkshopMetalworking15,16383Favorite Guides on how to build various kinds of engines. Both big and small DIY engine ideas. Guides on how to build various kinds of engines. Both big and small DIY engine ideas. Motorized Drift Trike!!!by josh333 in BikesReworking Isntructableby kcbford1 in ScienceBuilding a Hero's Engine (Aeolipile)by boothification in MetalworkingBuild a Better Stirling Engineby marshon in ScienceCheap and Simple Steam Engineby liam2317 in ScienceA Stirling Engine Projectby marshon in ScienceCompact Rocket Engine That Costs Under $20 to Makeby mikeyrt94 in RocketsCandybar (Milkyway) Rocket Engineby killbox in RocketsThe Stirling Engine, Absorb Energy From Candles, Coffee, and More!by thecheatscalc in EnergyWalking Beam Stirling Engineby scraptopower in Energy