/ House Wooden Button!! Aircraftspruce, specifically Sitka spruce (Picea sitchensis), became the gold standard for wooden aircraftconstruction. Its straight grain, uniform texture, and excellent strength-to-weight ratio made it the ideal choice for structural components such as spars, ribs, and longerons. AircraftSpruce is the trusted source for aircraft parts, pilot supplies, and aviation equipment. Serving certified, experimental, and homebuilt aircraft worldwide. Starting with the AircraftSpruce catalog, Tom Aberle at Aberle Custom Aircraft quickly checks descriptions and part numbers before going online to place an order. Most customers find the printed catalog the fastest, most convenient way to research and compare offerings. Quick Summary Spruce and pine are two affordable, versatile softwoods commonly used inwoodworking. Spruce has a light color, fine grain, and is both strong and lightweight, making it ideal for structural projects. AircraftSpruce & Specialty Co. has a rich history, and quite possibly, some aspects of the wide-ranging parts specialist aren’t well known. Post-Oshkosh, I had the chance to have a call with Jim Irwin, the second-generation caretaker ofAircraftSpruce. Fine Woodworking Plans - Downloadable free plans, furniture plans, work... Spruce being a softwood, is easy to work with as well. However, we consider birch perishable.