Question: The Sikorsky S-1 was the first fixed wing aircraft design by Igor Ivanovich Sikorsky, a Russian-American aviation pioneer in both helicopters and fixed-wing aircraft, first success came with which aircraft?
Sentence (from "Sikorsky S-1"): Further attempts were less successful and Sikorsky disassembled it saving the main wing section to construct the S-2.
Relevant evidence: Yes