The Rules on the self-similar sports of the USSR, issued in 1989, a new class: E-5. With the technique permitted by the rules for competition in this class, athletes unfamiliar, and it sharply differs from the known. Try to determine the search paths of optimal solutions racing models-replicas and purpose of this article.
First of all, about the requirements of the rules for the micromachines E-5 (not a secret that in many places the new edition of the rules simply do not get it). So this “racing car model with engine 3.5 cm3“. They are included in the group of cord models drive wheels; competitions are held at maximum speed without determining the copy number of models. On the main technical characteristics of the car E-5 are required to satisfy all the requirements for cordovil racing, and the mass of the model must be in the range of 1.87 kg. Interestingly, the rules do not specify a lower permissible capacity of the engine as in other racing classes, just to mention a maximum 3.5 cm3, it gives the possibility to use motors 2.5 cm3.
Races are held on a filament diameter of 1.0 mm standard length; cord strap on the restrictions of dimensions corresponds to the class E-2 (the minimum width of 9.5 mm, a thickness in the range from 2 to 3.5 mm, material — steel and marking — green). Regarding technology itself, the rules state:“In class E-5 allowed the model muffler are integrally formed with the bearing part of the body. Models need to have the unsprung rear axle. The drive wheel is a cylindrical gear. The model configuration is given a vintage race car.”