Blitz Buggy (oz2229)
About this Plan
Blitz Buggy. Free flight gas model, from Air Trails July 1949.
Quote: "This plane has racked up an impressive list of National and Plymouth meet victories. Blitz Buggy, by Jack Norris.
UNLIKE most models the Blitz Buggy was not designed, it was developed. For the past seven years we have made an effort to produce a free-flight design that would answer the demands of competition. From experience we have found this necessitated constant attention to practical aerodynamics. The result is a model that has won the Plymouth Internationals, the Philadelphia Flying Circus, the Scripps-Howard Junior National Air Races, and two classes at the 1948 Nationals.
Through association we have developed a keen respect for the modeler's ability to follow plans. We have planned, therefore, to omit the usual description of construction details. Instead, we have decided to give a summary of the basic design concepts incorporated in the model in an effort to make the material more interesting and instructive to the reader.
The design of a contest free-flight model, like any other engineering problem, requires constant com-promise. By practical aerodynamics we mean a balance of those factors which produce the three goals of free-flight design: efficient flight characteristics, stability, and ease of construction.
The factors which produce these characteristics are often so closely related that instead of blunt com-promise, it is often possible, through thoughtful design, to fulfill two, or perhaps three, of these goals with one idea. As a practical example of this, streamlining will almost always enhance appearance and flight characteristics. By the use of some ingenuity in design, construction methods may be incorporated which give good streamlining..."
Update 10/04/2019: Added article, thanks to RFJ.
Supplementary file notes
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by Jack Norris
from Air Trails
all formers complete :)
got article :)
Found online 11/01/2012 at:
Format: • PDFbitmap
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