What are the two primary uses for plywood in aircraft construction?

The primary uses for plywood in aircraft construction are indeed gusset plates and aircraft skin. Plywood is valued for its strength, lightweight properties, and rigidity, which make it a suitable material for various structural components in an aircraft.

Gusset plates are often used to reinforce joints and connections between structural elements like wings and fuselage components. Their design allows for effective load distribution, providing stability and support where needed. This is particularly important in aerospace applications to ensure the structure can withstand various forces during flight.

Additionally, plywood can be used as an external skin material in certain aircraft designs, particularly in smaller general aviation aircraft. When employed in this capacity, it contributes to the aerodynamic shape of the aircraft while also providing structural integrity.

In the context of aircraft construction, using plywood for these purposes helps balance the need for a lightweight structure while ensuring sufficient strength and durability, making it an essential component in specific applications within the industry.