Stirling used to be a fighter plane manufacturer during WW1. They're a German company, so they were not allowed to make fighters after they lost the war, so they switched to making civilian planes.
The QF-2 is from 1916.
Some were purchased by Medici in 1918, when all the larger countries were selling lots of military equipment at low prices.
Why multiple wings?Edit
The more layers of wings there are, the shorter the wings can be while still having the same combined surface area. The shorter the wings are, the faster a plane can make a sharp turn. The disadvantage is that each additional wing causes additional aerodynamic drag, meaning that the more wings there are, the slower the plane is. During WW1, it was already known that monoplanes could be the fastest, but there was no technology to build a single wing strong enough. The solution was for there to be at least two wings (biplanes), which could be connected to each-other by frame components and cables in X-patterns. Most manufacturers made biplanes, but a few did make triplanes and even rare quadruplanes. The most famous triplane, Fokker Dr.I, was flown by the worlds greatest fighter pilot - Manfred von Richthofen, the "red baron".
By the end of WW1, biplanes had become so much faster that triplanes became completely obsolete. Quadruplanes had always been rare. Later advances in the 1920s and early 30s made it possible to build adequately strong monoplanes.
- Speed: 190 km/h.
- Crew: One
- Wingspan: 9 m.
- Wing area: 22.4 m2.
- Empty weight: 726 kg.
- Gross weight: 916 kg.
- Engine: 1 × Straight 8 water-cooled piston engine, 126.7 kW (170 hp).
- Propellers: 2-bladed wooden propeller.
At the Vulture base.
After Di Ravello was defeated, a few were discovered in the bases internal garages, among several other outdated aircraft. It seems the past base commanders had been maintaining a museum in a deeper hangar. The government of the New and Improved Medici then officially converted the base to an Air Museum, so conveniently none of the old planes had to be moved anywhere.
- The pictures actually show the Naglo D.II, a German WW1 prototype aircraft that was not approved for production. Most of the data is also copied from there.
- The Nagalos speed is unknown, but it was quite a bit more powerful than the Fokker Dr.I, which was able to do 185 km/h, so I'm speculating 190 km/h. Also, the Nagalo was only 160 hp with 6 cylinders.