All-terrain vehicle-intrakhod. Drawing, description

MODELING
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All-terrain vehicle-intrakhod. Tips for a modeler

Modeling

The inner passage is so simple that even a novice young designer can make it. And at the same time, the model clearly demonstrates how a miniature vehicle can be driven without wheels, a propeller or tracks.

The model (Fig. 1) consists of a body bent from tin or plexiglass, a micromotor mounted obliquely on a special rotating bar, a 4,5 V battery from a flashlight, eccentrics and a switch. Holes were made in the supporting edge of the case and woolen threads were passed through to reduce friction and reduce noise.

Rice. 1. Scheme of the inner passage (click to enlarge): 1 - housing, 2 - 4,5 V battery, 3 - switch, 4 - thread winding, 5 - electric motor, 6 - eccentric, 7 - mounting plate

When the eccentric rotates, a centrifugal force arises, one of the moments of which is directed down and back - then the model, pressing against the surface, freezes in place, the other - up and forward: the mass of the model is "neutralized", movement occurs. Stability is ensured by installing two mutually opposite eccentrics (Fig. 2) or by turning the eccentric axis in the direction opposite to the direction of rotation.

All-terrain vehicle-intrakhod
Rice. 2. Scheme of installation of two eccentrics-unbalances

On this principle, not only interesting toys can be built, but also models of real structures - a roadbed compactor, cargo sleds and other all-terrain vehicles.

Author: Z.Ganov

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