The 1931 Stone & Fry S-2 registered N10642 c/n 4 was a single place open cockpit monoplane, powered by a 120hp Anzani engine.

The ‘Hybrid’ was completed by C.B. Stone in 1936. The fuselage is part of a Heath Parasol built about three years prior. The landing gear and centre section were designed by Stone, and the radiator was from one bank of a Hisso engine.

Top speed: 85 mph
Cruise: 70 mph
Landing speed: approx 40 mph

Designed by W E Stoelk, the steel-tube framework single-place monoplane was built by Stoelk for W G Hacker as a prototype for planned production at an estimated $1,800. Height was less than six feet, making it one of the smallest planes at the time built following federal guidelines.

One was built, N962N c/n 101, registered as Hacker, and fist flew on 9 November 1930, piloted by L D “Dutch” Miller.

It was placed in storage due to financial difficulties, eventually dismantled and its parts sold.

Engine: 40hp Salmson AD-9
Wingspan: 20’0″
Length: 16’3″
Useful load: 285 lb
Max speed: 145 mph
Cruise: 130 mph
Stall: 50 mph
Ceiling: 8,000′
Seats: 1

In 1933 Caproni was testing a new monoplane, call ed the “Flying Barel”, the standard fuselage was replaced with a hollow barel-shaped body that was intended to reduce drag.

The Flying Barel has a 47 t wingspan and wing area of 205 sq.ft.

Gallery

Engine: Simmonini, 72 hp

The 1929 Stinson SM-5 low-wing, cabin monoplane, registered NX9625 c/n X-11, was possibly a development of SM-3.

It was originally powered by a Wright J-5 engine, later changed to a J-6.