The English Wikipedia article on Igor Sikorsky, consulted for his 1939 VS-300 and 1942 R-4 helicopters and the single-main-rotor configuration he pioneered.
Facts
Citation
PublisherWikipedia
URLhttps://en.wikipedia.org/wiki/Igor_Sikorsky
Source TypeReference Work
Assessment
Reliability Tier2
Sources
Wikipedia: Igor Sikorsky
Claims Backed By This Source (18 claims)
This source backs 18 claims across the atlas. As facts: 14 well-attested. As cited relationships: 1 holds, 1 connected. Plus 2 entities citing it as a general reference with no single fact or relationship attached.
Disposition By Topic
- Figures, 8 claims: 6 well-attested, 1 holds, 1 general references.
- Articles, 5 claims: 4 well-attested, 1 general references.
- Sources, 4 claims: 4 well-attested.
- Modes, 1 claims: 1 connected.
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