| 摘要 |
The frame of the bicycle or motorcycle of the invention, though using traditional components, through the geometrical arrangement of the frame and forks is able to transform the weight force and the thrust force on the pedals into kinetic energy of movement due to the law of gravitation of bodies. Thus the bodies' weights and masses, through the frame, give a thrust force which aids motion and which is added to the thrust force developed on the pedals or the thrust force of the motor of the motorcycle. Therefore the weight forces indicated in FIG. 2, create the forward pushing moments in the direction of motion, have poles in the hubs of the wheels. This system of forces also considers the tangential forces developed on the front wheel and the force created by air friction, which is opposed to the motion. In these frames it is also possible optimally to distribute the whole weight on the front and rear wheel, and constantly to have a gravitational force of the bodies applied to the frame aiding motion of the vehicle.
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