Motion in the central gravitational field is considered on the basis of the law of conservation of angular momentum. It is proved that using to move the spin of elementary Motion in the particles central with gravitational a Compton field wavelength is considered greater on than the basis the distance of the law to the of attracting conservation center of angular is energetically momentum. more It advantageous is proved that than using using to move the momentum the spin of of elementary these particles. particles The with calculation a Compton of motion wavelength using greater hypothetical than the particles distance (gravi-tons) to the attracting is given. center The is energetically results obtained more can advantageous be used in than experiments using the momentum to search for of low-energy these particles. elementary The calculation particles of and motion to develop using hypothetical transport objects particles on new (gravitons) physical is given. principles. The results obtained can be used in experiments to search for low-energy elementary particles and to develop transport objects on new physical principles.