In the previous four installments of this series, we’ve discussed building power hammers in your home shop. Wouldn’t the task be simpler if there were a set of plans to build from, if there were a proven design out there with a detailed materials shopping list? Thanks to Clay Spencer, there is. Clay owns the plans to probably the most commonly built tire hammer and sells them to aspiring hammer builders.
When you buy plans from Clay, you get roughly 40 pages of instructions, parts lists, technical drawings and templates. Ray Clontz of Charlotte, North Carolina, built a power hammer that uses the emergency spare tire and rim from a small car. The plans show how to use a hub and rear axle from a trailer. The hammer
