REGULAR SERIES 



241, Sikorsky Aviation Corporation Models S-38-C and S-^+O - Experiments with. 



Nov 1929* "I pp. , 5 figs. Distributed only upon authorization of Sikorsky Aviation 

 Corporation. 



2^12. Michael Gregor Amphibian - Experiments with Model of. Nov 1929. 9 pp., 



H- figs. Distributed only upon authorization of Michael Gregor. 



243. Bellanca Aircraft Corporation Model Airplane Float - Experiments with. 



Dec 1929* TO PP- ) D figs. Distributed only upon authorization of Bellanca Aircraft 

 Corporation. 



2>-\-k. PB-1 and PN-1 1 Airplane Hulls - Model Tests to Determine Lateral Stabil- 

 ity (Bureau of Aeronautics' Project t«^2008) . Dec 1929. 5 pp. , 3 figs. 



Distributed only upon authorization of Bureau of Aeronautics. 



245. Bu. Aeronautics Design No. 91 Hull - Experiments with a Model of. Jan 

 1930. 10 pp., 6 figs. 



2^6. Sikorsky Aviation Corporation Model S-39 - Basin Experiments. Jan 1930. 



9 PP . , 5 figs. Distributed only upon authorization of Sikorsky Aviation Corporation. 



21+7. 02U Airplane - Mark IV Float - Experiments with Model. Jan 1930. 10 pp., 

 6 figs. 



248. Bu. of Aeronautics Design No. 87 Hull and Loening Proposed Alternative 



Hull - Model Basin Experiments. Mar 1930. 15 pp., 9 figs. 



249. Sikorsky Aviation Corporation - Model S-39, X-4n - Basin Experiments. 



Mar 1930. 8 pp., 4 figs. Distributed only upon authorization of Slkorsky Aviation 

 Corporation. 



250. Test of Model Torpedo (to Determine the Cause of Torpedo Hitting Shutter 



or Entrance Plates in Hull of Submarine). Mar 1930. 24 pp., 1 7 figs. 



251. Brewster & Company Floats, Series No. 3 (Bu. of Aer. Project t^211 2) - 



Model Basin Experiments. Apr 1930. 11 pp., 7 figs. Distributed only upon 



authorization of Brewster and Company. 



252. Experimental Investigation of High Speed Towing Target Design. Apr 1930. 



24 pp. , 11 figs. 



253. Sikorsky Aviation Corporation - Design S-40 Hull - Model No. X804W. Apr 



1930. 8 pp. , 4 figs. Distributed only upon authorization of Sikorsky Aviation 

 Corporation. 



254. 02U Airplane Float, Mark V Lines - Experiments with a Model of. May 



1930. n pp., 6 figs. 



255. X02L-1 Amphibian Hull (Bu. Aeronautics Project No. 2142) - Experiments 



with a Model of. May 1930. 10 pp., 6 figs. Distributed only upon authorization 

 of Bureau of Aeronautics. 



256. Effects of Shaft Struts versus Spectacle Frames on Propulsion. May 1930. 



15 pp., 8 figs. 



257. O'Connor Transatlantic Airways, Inc., 192 Broadway, New York - Model Test 



on Hull and Side Floats. May 1930. 14 pp., 6 figs. Distributed on:iy upon 



authorization of O'Connor Transatlantic Airways, Inc. 



1-14 



