Bob Hadley
Counterbores
Counterbore sets (front left, and back) typically cover a basic range of sizes for standard socket head screws and bolts. Counterbores with interchangeable...
Drill Guide for Canard Install
Neighbor Phil Hooper's Velocity RG project is making serious progress. With the installation of the canard, it's now almost a complete airplane (sans engine,...
Material Matters-Aluminum
Aluminum is usually marked by the manufacturer to indicate the alloy and temper. The markings may also include the lot number and the...