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An Investigation of the Ranger V-770-8 Engine Installation for the Edo XOSE-1 Airplane II : AerodynamicsInvestigations were made to determine the cowling and cooling characteristics of the Ranger V-770-8 engine installation in an observation seaplane. Final cowl configurations possessed ample engine and oil-cooler pressure drops for cooling in the critical normal-power climb condition with any of the three baffle configurations tested. The indicated critical Mach number of the cowling was found to be 0.70 as determined by the pressure on the lower lip of the inlet.
Document ID
19930093123
Acquisition Source
Legacy CDMS
Document Type
Other - NACA Wartime Report
Authors
Dennard, John S. (National Advisory Committee for Aeronautics. Langley Aeronautical Lab. Langley Field, VA, United States)
Date Acquired
September 6, 2013
Publication Date
October 1, 1945
Subject Category
Aerodynamics
Report/Patent Number
NACA-MR-L5I12b
NACA-WR-L-562
Report Number: NACA-MR-L5I12b
Report Number: NACA-WR-L-562
Accession Number
93R22413
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Keywords
ENGINE COWLINGS-RANGER
EXHAUST STACKS
AIR FLOW-ENGINES
BAFFLES-ENGINE CYLINDERS
ENGINES-PRESSURE DROP
PRESSURE DISTRIBUTION-ENGINES
SEAPLANES-EDO OSE-1 (EXPERIMENTAL)
FLAPPED
DUCTS
RADIATORS, OIL-UNITED AIRCRAFT PRODUCTS

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