This entry details the construction and features of Mel Bernstein's (Dragonman's) unique street-legal dragster and 'Coffin Car'. It covers essential Colorado road legality requirements, fabrication techniques using 4130 chromoly tubing, and specific automotive components like a Chevy 350 engine and Turbo 400 transmission. The overview also touches upon the maintenance of a large vehicle collection and the use of fuel stabilizers.
This video details the expert-level process of fabricating a replacement mainspring for an 1812 Springfield lock. The instructor, Mark Novak, demonstrates the intricate steps of shaping, welding, heat-treating, and tempering spring steel. Key techniques include forming the spring's geometry for optimal leverage, carefully controlling heat during bending and welding, and achieving the correct hardness and flexibility through precise quenching and tempering in a lead pot. The process emphasizes understanding the functional requirements of the spring within the lock mechanism.
This guide details the construction of a custom DIY vault room, combining secure firearm storage with a filming studio. It covers structural reinforcement with steel-laminated concrete, modifying a Gettysburg safe into a vault door, and securing it with industrial adhesives. The interior features a Tactical Walls ModWall system for modular storage, acoustic treatment, and integrated lighting, along with reinforced window security and environmental controls. The project emphasizes advanced DIY skills for creating a highly secure and functional space.
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