What biplane is made of
An aircraft with two wings, one above the other.
- Wing — has part. Two tiers of wings.
- Biplane struts and bracing wires — has part. They tie the wings into a rigid box.
- Propeller — has part. A tractor propeller.
- Internal combustion engine — has part. A piston engine turns the propeller.
- Tail fins and rudder — has part. A tailplane and control surfaces.
- Wood — is made of. The frame is wood.
- Cotton — is made of. The covering is fabric.