In the early 1930s, Italian engineer Luigi Stipa designed an innovative wooden experimental plane built by Caproni. Its barrel-shaped fuselage ducted a propeller's airflow through an Isotta Fraschini engine, creating jet like thrust-Possibly a precursor t
In the early 1930s, Italian engineer Luigi Stipa designed an innovative wooden experimental plane built by Caproni. Its barrel-shaped fuselage ducted a propeller's airflow through an Isotta Fraschini engine, creating jet like thrust-Possibly a precursor t