PROFILE “NACA-6409”. Developed in the early 30-ies in the aerodynamic laboratory of the NAC (USA) for lifting aircraft-biplanes. This profile can be recommended as models of gliders championship class A-2, and RC models of gliders is a small scale.
PROFILE “NACA-6409 mod.”. Developed by us modelers as a modification of the previous one, especially for rezinomotornaya models championship class “spring prize”. In addition, this profile is recommended for models of gliders A-1.
PROFILE “GÖTTINGEN-417”. Developed during the first world war in aerodynamic laboratory in göttingen for aircraft-biplanes. It is recommended to rezinomotornaya models of gliders of the class A-1.
Recommend to read
ELECTRICITY GUARD
Who does not know the story of the brave poor man's Ali Baba from the Arabian tales "Thousand and one night", who overheard the mysterious words, in pronouncing of which opened a...
“KALUZHANIN”: MICROTRACKER-UNIVERSAL
Regular readers of our magazine are already familiar with the Kaluga Amateur designer V. N. Arkhipov, author of easy and productive tillers (see "M-K" № 6, 1982). However, Valentin...
