Also known as Wasp, Pratt & Whitney R-1340, R1340, Pratt & Whitney R-1340 Wasp, Pratt & Whitney R-1340-40 Wasp, R-1340-57, R-1340-AN-1, R-1340-S1H4
1925 9-cylinder radial piston engine family by Pratt & Whitney
via Wikidata sitelinks · CC0
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).