Download or read book A Complete Tank Test of a Model of a Flying-boat Hull - N.A.C.A. Model No. 11-A written by John B. Parkinson and published by . This book was released on 1933 with total page 610 pages. Available in PDF, EPUB and Kindle. Book excerpt: N.A.C.A. Model No. 11-A was designed as an improvement over N.A.C.A. Model No. 11, a complete test of which is described in N.A.C.A. Technical Note No. 464. In contrast with the longitudinal upward curvature in the planing bottom forward of the main step on Model No. 11, the planing bottom of Model No. 11-A was made as flat as practicable. Otherwise, the two models have very nearly the same form.