Talk:F-class blimp

Military history: Aviation / North America / United States

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Aviation: Aircraft

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Move discussion in progress[edit]

There is a move discussion in progress on Talk:L class blimp which affects this page. Please participate on that page and not in this talk page section. Thank you. —RMCD bot 04:16, 20 May 2013 (UTC)[reply]

F-1 Engines[edit]

Shock, U.S. Navy Airships 1915-1962, (1992, 2001) page 34 says ""It is possible the Army's A-1 and the two Navy ships tried a Curtiss 'OX' engine of 90 or 100 hp. records disagree." In his "Army Airships 1908-1942," (2002) page 37 he cites the power plant of the A-1 as "Curtiss OX-5." In his B-Class section of U.S. Navy Airships 1915-1962 Shock lists the power plant as "Curtiss OX-5 100 horsepower." The power rating of the OX-5 was 90 hp. http://www.enginehistory.org/Curtiss%20OX5.pdf The power of the OXX was 100 hp.

The Naval History and Heritage Command http://www.history.navy.mil/research/histories/naval-aviation-history.html has pdf files showing the original Aircraft History Cards for the B Class Airships at http://www.history.navy.mil/research/histories/naval-aviation-history/aircraft-history-cards/aircraft-history-card-listing-a-52-through-a-999/bureau-numbers-a-201-to-a-299.html The B Class Bureau Numbers were A-235 through A-250. With the exception of A-249 (B-15) and A-250 (B-16) which were built by the Connecticut Air Corp. the engine listed is the Curtiss OXX (A-249 & A-250 were delivered with Hall Scott engines). The horse power of the OXX is given as 100 hp.

The OXX (aka OXX-6) was an improved OX-5 with two magnetos bored out to give 100 hp. http://airandspace.si.edu/collections/artifact.cfm?object=nasm_A19710916000 The OXX was used widely by the USN in the Curtiss Models F, FL, & FM, flying boat trainers, early Curtiss F-9s and the Aeromarine 39 & 40 trainers.

While Shock states the engine of the F-1 as "probably Union 6 cylinder" the probability is that the Navy's "Experimental Engine Testing Dirigible" was not only flown in both tractor and pusher configurations, but with Curtiss OXX as well as the Union engine. Mark Lincoln (talk) 16:49, 19 July 2015 (UTC)[reply]