Building and Flying Model Aircraft by Robert Schleicher & James R. Barr

Author:Robert Schleicher & James R. Barr [Schleicher, Robert]
Language: eng
Format: epub
ISBN: 9780486156774
Publisher: Dover Publications
Published: 2012-10-08T04:00:00+00:00

Classes

The hobby of flying model aircraft began with free flight, so you can guess that there are a whole lot of different ways that those hobby pioneers found to fly their models. Each of those different methods of flying without the benefit of either control lines or radios resulted in a different class of free-flight competition and in different -types of free-flight kits and plans. The most popular class of free-flight aircraft will do something that’s not practical with the other types of aircraft models—they’ll fly indoors. Indoor classes for AMA competition include Peanut Scale for those “stick model” replicas of propeller-driven aircraft with wingspan less than 13 inches. The propellers on the models are driven by twisted rubber bands. The kits made by Peck Polymers, Flyline, Micro-X and Sterling are the most popular with competitors. The most readily available stick models are those made by firms like Cleveland, Comet, Guillow, Sterling, and Top-Flite, but most of these have a wingspan large enough to put them in the AMA “Indoor Rubber Flying Scale” class for models with wingspans of less than 30 inches. Many of these rubber-powered models can be equipped with internal combustion engines and radio receivers or control lines, but that puts them in something other than the rubber-powered category. Any of these “indoor” models can, of course, be flown outdoors on a calm day. By now you might expect to discover that there are also “non-scale” models that will generally fly better than any of these scale kits in the hands of most of us. There are, of course, AMA competition classes for those “rubber-powered” models that include both indoor and outdoor competition. These classes include models like the microfilm-covered models (Fig. 7-13) and the gliders made from sheet balsa wood.

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