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Remarks by Dan Shumaker: "From Peter M. Bowers book, Curtiss Aircraft 1907-1947: The R-6 (Model 2A) of early 1917 was a long-wing seaplane like the R-3 and differed from it mainly in use of the 200 hp V-2-3 engine and 3° of dihedral in the outer wing panels. All but one of the seventy-six R-6s delivered to the US Navy had twin floats, s/n A-193 being fitted with a single float. Army R-6s were delivered both as landplanes and as twin-float seaplanes. The US Army ordered eighteen, but most are believed to have been released to the Navy before Army acceptance. Navy R-6s became the first American-built aeroplanes to serve US forces overseas in WW I when a squadron was assigned to patrol duty in the Azores, Portugal, in January 1918. Average cost of the R-6 and similar R-9 was $15,200 less GFE. US Navy BuNo. A162/197 (36), A302/341 (40). US Army s/ns: 504/521 |
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