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Savelyev-Zalewski S.Z-1 & S.Z-2

In 1916, V.F. Saveljev and Vladislav Zalevskij collaborated to construct an experimental 2-seat reconnaissance aircraft.

The aircraft was designed using the fuselage from the “Morane-G” and a single strut quadriplane wing box that was tilted forward.

On April 15, 1916, the Quadriplane was flown for the first time, powered by an 80hp engine.

The test pilot, Ungmejster, provided feedback on the aircraft’s performance, stating that it was highly responsive and had the potential to compete with the 165hp Albatros.

However, he also noted that the aircraft required a 100hp Monosoupape engine to reach its full potential.

Following this feedback, the engine was modified slightly and fitted to the aircraft.

The modified aircraft went on to perform numerous successful flights, demonstrating its capabilities as a reconnaissance aircraft.

The collaboration between Saveljev and Zalevskij resulted in the creation of an innovative aircraft that pushed the boundaries of aviation technology at the time.

The Quadriplane’s unique design and impressive performance capabilities made it a significant contribution to the field of aviation.

Variants

S.Z-1 & S.Z-2
Specifications
Crew
2
Powerplant
Prototypes
80hp Gnome or Clerget
Production
100hp Monosoupape
Length
6.0m / 6.0m
Wingspan
8.5m / 9.3m
Wing area
24.0m2 / 26.2m2
Empty weight
360kg / 400kg
Loaded weight
660kg / 700kg
Wing load
27.5kg/m2 / 26.7kg/m2
Power load
8.2kg/hp / 7.0kg/hp
Maximum Speed
116km/h / 132km/h
Ceiling
2000m+
Endurance
3.0h / 3.0h
Sources
Polish Aircraft 1893-1939-C.Jerzy.

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