Bohaboy-Haas Poppet Valve Steam Engine

thingiverse

This appears to be a personal blog post detailing the author's progress on designing and building a 21L steam engine. The text includes numerous updates with dates, mentioning specific changes and additions made to various parts of the engine. Here are some key points summarized: **Design Progress** * Replaced Crankcase_Lower_04 with Crankcase_Lower_05 to correct hole misalignments. * Replaced Crankshaft_08 with Crankshaft_09 to add a hex on one end for easier drilling. **New Designs and Updates** * Uploaded Camshaft_05 for testing fit of Cam_Follower. * Uploaded reversing mechanism parts, including Split_Yoke_A_01 and Split_Yoke_B_03. **Lost PLA Casting Preparation** * Updated designs for Lost PLA casting, including Cylinder_28.stl, Cylinder_Manifold_02.stl, and Cylinder_Manifold_Strap_04.stl. **Piston Design** * Uploaded Piston_Tree_03.stl, a burn-out pattern to make a pair of pistons. **Cylinder Design Update** * Redesigned the cylinder in two pieces that can be printed separately without support.