Baker's Airframe Oral & Practical | 365 Questions with 100% Correct Answers | Verified | Latest Update 2024

What species of wood is used as a standard for strength properties of other species of wood used in aircraft structures - Spruce is used as the standard of which all woods are compared Is northern white pine an acceptable substitute for spruce - Yes, but only if the pine is a larger size to make up for its lower strength What type of wood quality must be used in the repair of aircraft structures - The wood must be of aircraft quality and equivalent to its original strength or greater What is the difference between laminated wood and plywood - Laminated wood and plywood consist of two or more layers of wood which have been glued together. Laminated wood has the grain of all layers approximately parallel. The grain of plywood runs 90º with the adjacent ply What are two types of glue used for aircraft wood structure repair - They are casein and synthetic resin glue. The resin glues that are recommended for wooden aircraft applications are the resorcinol formaldehyde type glues