Sikorsky S-XVI warplane
The 1st world escort fighter, the tractor biplane, the series started in 1915 at Russo-Balt factory.
It used by "Squadron of Air Ships" and 7th fighter squadron in WWI; then S-XVI took a part in Civilian War
(at both Red and White sides). This tractor biplane was armed with a sincronised MG;
maximal sped = 144 kmph (powered by 80 hp motor) or 153 kmph (powered by 110 hp motor).
I could climb to 1 km alt in 8 minutes. Empty weight = 407 kg, ready weight = 676 kg.
Russian aircraft S-16 on ski.
Rosyjski samolot wojskowy S-XVI Sikorsky na nartach.