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Excerpt from Practical Gyrostatic Balancing
Before proceeding to study the general behaviour of the spinning top we must, however, devote some attention to several important details of the pheno mena which occur with the humbler varieties.
In the first place, there seems to be something very peculiar, when attention is given to the matter, in the mere fact that a top remains vertical when spinning, whereas it can in no way be persuaded to do so when still. This really is the essential property of all spinning mechanisms intended for balancing purposes. A top is in unstable equilibrium when still, and stable equilibrium when spinning at or above a certain rate. Apart from all questions of' form or purpose, we have this first and rather paradoxical fact to grasp.
Now consider another point. A top is spun and strikes the ground obliquely. For a moment or two it persists in this Oblique State, but at the same time performs a circular movement of large radius. Gradually (if on a smooth surface) it becomes less inclined, until finally the axis of Spin is perpendicular. There is thus shown the further property of actually overcoming the force of gravity, and we have to note that under certain conditions a top can do work against the force of gravity.
Let us now study our top a little. I take as the most complete example in ordinary use, the peg top.
It consists of a pear-shaped piece of wood, in the apex of which is inserted a steel peg, circular in section.
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This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
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Excerpt from Practical Gyrostatic Balancing
Before proceeding to study the general behaviour of the spinning top we must, however, devote some attention to several important details of the pheno mena which occur with the humbler varieties.
In the first place, there seems to be something very peculiar, when attention is given to the matter, in the mere fact that a top remains vertical when spinning, whereas it can in no way be persuaded to do so when still. This really is the essential property of all spinning mechanisms intended for balancing purposes. A top is in unstable equilibrium when still, and stable equilibrium when spinning at or above a certain rate. Apart from all questions of' form or purpose, we have this first and rather paradoxical fact to grasp.
Now consider another point. A top is spun and strikes the ground obliquely. For a moment or two it persists in this Oblique State, but at the same time performs a circular movement of large radius. Gradually (if on a smooth surface) it becomes less inclined, until finally the axis of Spin is perpendicular. There is thus shown the further property of actually overcoming the force of gravity, and we have to note that under certain conditions a top can do work against the force of gravity.
Let us now study our top a little. I take as the most complete example in ordinary use, the peg top.
It consists of a pear-shaped piece of wood, in the apex of which is inserted a steel peg, circular in section.
About the Publisher
Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com
This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
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Excerpt from Practical Gyrostatic Balancing
The Breniian System Precession Rollers Numerical Example Extinction of Oscillations Possible Use of Relays 39 Chapter VI Gyrostatic Control Of Ships Control of Course and Rolling Torpedo Mechanism The Schlick Apparatus Precessional Displacement Oscillations Interaction Effect of Rolling and Pitching on the Gyro when Clamped Effect of Gyro if started out of Centre Numerical Example of Ship Control. 45 Chapter VII Constrained Stability Of Flying Machines Objections to Gyrostatic Control Direct and Indirect Control Control of Longitudinal Stability (Plunging or Trimming) Coupling of Gyros to prevent Secondary Action Hindrance of Steering Facilities Control of Lateral Stability Effect of Controls on Angle of Attack and Turning 49 Chapter VIII Gyrostatic Action Of Rotary Engines The Gnome Petrol Motor Gyrostatic Torque and its Effect during Steering Similar Effect of PropellersAction of Turbines and Dynamos on Ships. 54Appendices Appendix A: Design of a Gyroscope 57 Appendix B: Advanced Mathematical Theory.
About the Publisher
Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com
This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
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Paperback. Zustand: New. Print on Demand. This book delves into the phenomenon of gyrostatic control, exploring its applications in enhancing the stability of vehicles, particularly in aerial engineering. The author, an expert in the field, provides a detailed examination of the principles behind gyrostatic balancing, tracing its historical development and showcasing practical examples of its implementation. Readers will gain a deep understanding of how gyroscopes can be harnessed to counteract disturbing forces and maintain equilibrium in various dynamic systems. From the balancing of tops to the stabilization of aircraft, the book offers valuable insights into the intricate interplay between angular momentum, torque, and precession. With its clear explanations and real-world examples, this book is a valuable resource for engineers, physicists, and anyone interested in the captivating field of gyrostatic control. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item. Bestandsnummer des Verkäufers 9781332180097_0
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Practical Gyrostatic Balancing Classic Reprint
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PAP. Zustand: New. New Book. Shipped from UK. Established seller since 2000. Bestandsnummer des Verkäufers LW-9781332180097
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Zustand: Hervorragend. Zustand: Hervorragend | Sprache: Englisch | Produktart: Bücher. Bestandsnummer des Verkäufers 26071163/1
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