For example, the Devastator aircraft features a pusher propeller and a biplane design.

It is one of the few turbine-powered biplane designs to date.

The Spartan C3-225 was the last early biplane design produced by the company.

It was a conventional biplane design, though little is known of its details.

The first is a biplane design, with a pusher engine mounted between the wings.

The Waco 9 is an American-built biplane design that first flew in 1925.

He also started work on a more conventional biplane design as Projekt 7.

This was followed by other original monoplane and biplane designs in 1909, 1910, 1911, 1912, 1916, 1924 and 1930.

It is a conventional biplane design with slightly staggered wings of unequal span.