Today, perhaps, it is difficult to find a more affordable material suitable for the manufacture of flying model than the foam. It is different, but is most common packing or “ball”. This is a very lightweight but durable is not one of them. Possible methods of strengthening the foam parts — treatment of the surface with white glue or okleina tissue paper. The first option is applied on the proposed model Panera, which is in all respects meet the technical requirements of the Moscow regional competition in a simple model aircraft (sailplanes: wingspan 300 mm, weight up to 20 g). Of course, in other regions can be taken and other restrictions, which in principle have little impact on the overall scheme of the model when using it in competitions on the range.
Just wanted to note that on the basis of this development easily designed and the simplest rezinomotornaya. They differ only in the presence of the-rotor, and slightly different balancing. The glider of this type passes when throwing from the hands of about 25 m. the Best result, shown in competition, at 28.5 m. a Similar winged technique is quite capable for the manufacture of pre-prepared “convenience foods” the boys even seven or eight years, having passed the initial course of six to eight sessions in aeromodelling circle. The construction of simple devices, in addition to great scope for creativity as well as skills to work with different tools and materials, contributes to the decision of very important question — what and how to take elementary school students who first came to the club. How relevant is this problem, I think, it is clear today to any Antonov an-teacher.