The wings had a single wooden spar and were covered in plywood.

A much longer No. 7 plane is needed if the design calls for a wooden spars as used in many modern "traditional" yachts.

He heard one of the wooden spars break as the wing took up most of the shock.

The wings used wooden spars and ribs with fabric covering.

The only wooden spar was the gaff of the small spanker.

The wing uses wooden spars and ribs with fabric covering.

It is an all wood aircraft with wooden spars, frames and entirely plywood covered.

The wings used wooden spars and ribs with mahogany plywood covering.

The tip of the bare wooden spar was lost in low-hanging mmbostratus.

The Rebell had low-mid set wings built around a single wooden spar and wood covered.