Tests in full-scale wind tunnel on mock-up of YO-31A airplane to determine drag of Prestone and oil radiators exposed on lower surface of fuselage; at 120 mph oil radiator accounted for 2.8% of drag of complete airplane, Prestone radiator, for 8.3%; and both radiators together for 11.8%.
Drag of prestone and oil radiators on YO-31A Airplane
Nat Advisory Committee Aeronautics -- Tech Note
1935
3 pages
5 Supp Sheets
Report
English
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