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The Sikorsky S-20 (named after its designer) or RBVZ S-XX (named after its manufacturer) was a Russian single-bay un-equal span two-seat biplane designed by Igor Sikorsky in 1916. Displaying some Nieuport influence it saw very little service during World War I. Five S-XX aircraft were built in September 1916 with the first two powered by the 100 hp Gnome rotary engine which had powered its predecessor the RBVZ S-XVI.

Here is a picture of Sikorsky S-20 from the book "History of the airplane construction in USSR" by Shavrov. S-20 was an original construction.1

Made by Russo-Balt.

The Sikorsky S-20 (named after its designer) or RBVZ S-XX (named after its manufacturer) was a Russian single-bay un-equal span two-seat biplane designed by Igor Sikorsky in 1916. Displaying some Nieuport influence, it saw very little service during World War I.2
Height Main
m
Designer
Igor Sikorsky
Length Alt
21
Jet Or Prop
prop
More Performance
379.8
Max Speed Alt
118 mph
Type Of Prop
air-cooled rotary engine
Max Speed Main
190.0
Number Built
5
Crew
Two
Span Main
8.60m
Area Main
17m²
Primary user
Span Alt
28
Plane Or Copter?
Power Alt
120 hp
Engine(prop)
432000.0
Manufacturer
Loaded Weight Alt
1257.0
Loaded Weight Main
570.0
Number Of Props
1
Guns
462.0
Empty Weight Alt
871.0
Length Main
6.50m
Area Alt
182.99
Empty Weight Main
395.0
Power Main
90.0
Category

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