Application of active control landing gear technology to the A-10 aircraft

Two concepts which reduce the A-10 aircraft's wing/gear interface forces as a result of applying active control technology to the main landing gear are described. In the first concept, referred to as the alternate concept a servovalve in a closed pressure control loop configuration effectively varies the size of the third stage spool valve orifice which is embedded in the strut. This action allows the internal energy in the strut to shunt hydraulic flow around the metering orifice. The command signal to the loop is reference strut pressure which is compared to the measured strut pressure, the difference being the loop error. Thus, the loop effectively varies the spool valve orifice size to maintain the strut pressure, and therefore minimizes the wing/gear interface force referenced

An electric control for an electrohydraulic active control aircraft landing gear

An electronic controller for an electrohydraulic active control aircraft landing gear was developed. Drop tests of a modified gear from a 2722 Kg (6000 lbm) class of airplane were conducted to illustrate controller performance. The results indicate that the active gear effects a force reduction, relative to that of the passive gear, from 9 to 31 percent depending on the aircraft sink speed and the static gear pressure

Recent Legal Literature

Clementson: A Manual Reletaing to Special Verdicts and Special Findings; Wharton: A Treatise on the conflict of Laws, or Private International Law; Lile, Redfield, Wambaugh and Wheeler: Brief Making and the Use of Law Books; Pomroy: Pomroy: Pomeroy\u27s Equitable Remedies (supplementary to Pomeroy\u27s Equity Jurisprudence); McLaughlin: The Confederation and the Constitution, 1783-178

Dynamical properties of a dissipative discontinuous map: A scaling investigation

The effects of dissipation on the scaling properties of nonlinear discontinuous maps are investigated by analyzing the behavior of the average squared action \left as a function of the $n$-th iteration of the map as well as the parameters $K$ and $\gamma$, controlling nonlinearity and dissipation, respectively. We concentrate our efforts to study the case where the nonlinearity is large; i.e., $K\gg 1$. In this regime and for large initial action $I_0\gg K$, we prove that dissipation produces an exponential decay for the average action \left. Also, for $I_0\cong 0$, we describe the behavior of \left using a scaling function and analytically obtain critical exponents which are used to overlap different curves of \left onto an universal plot. We complete our study with the analysis of the scaling properties of the deviation around the average action $\omega$.Comment: 20 pages, 7 figure

Soil and Sublimity in Childe Harold’s Pilgrimage

Cet article commence par une brève description des moyens par lesquels la terminologie et les conventions régissant la description de paysages sublimes informent le discours géologique de la fin du dix-huitième et du début du dix-neuvième siècle, tel qu’exemplifié par Theory of the Earth de James Hutton (1789) et Essays on the Theory of the Earth de Georges Cuvier (1813). Je ferai ensuite valoir que les réflexions de Byron sur l’érosion graduelle mais inévitable des empires et des cultures dans Childe Harold’s Pilgrimage et The Age of Bronze montrent une perspective (in)formée par la géologie, et que le sublime, dans ces poèmes, est produit par la rencontre avec les processus historiques et le temps géologique, qui sont vastes, auto-anéantissants et inimaginables. Dans ces poèmes, non seulement la description par Byron de l’être humain fait d’argile renvoie aux origines et au destin ultime de notre substance corporelle, elle associe l’humain (le culturel) à la strate érodée et soulevée par les forces naturelles et incontenables. Dans ces poèmes, les lieux physiques deviennent temporels; les ruines, souvent associées au pittoresque, deviennent sublimes. Elles ne sont pas de terrifiants symboles du transitoire culturel ou de l’insignifiance de l’être humain, mais plutôt des affleurements minéralisés et exposés temporairement dans lesquels le sujet percevant (le narrateur, puis le lecteur par la suite) peut lire le passage du temps et contempler l’éventualité horrifiante de sa propre désintégration et de sa mort

The Art of Legal Practice

In one respect the law is the most perplexing subject with which a man can deal. It shifts and changes so rapidly that only a nimble and diligent student can keep abreast of it. One is likely to wake up any morning and find that the legislature has repealed a good part of what he knows, and he is in constant danger of having his most carefully formed opinions completely upset by a new decision of the Supreme Court. These violent changes are not due to any new discoveries, such as constantly enliven the scientific world, but merely to the shifting sentiment of legislative bodies and to the powerful influence of a certain variable element which enters into every legal equation. The legislative innovations are in a sense extrinsic factors. But the judicial variable, if we may use the term, is an innate condition, and every judicial opinion may be considered a function of that variable

The Usefulness of Intervention as a Remedy in Attachment

While rules of procedure are not saved from the rude hand of the reformer by the due process guarantees of our constitutions, they do rest, nevertheless, under the very efficient protection of professional conservatism. Such rules are looked upon by the bench and bar as their own special concern, and innovations in this field must maintain the burden of proving their character before both the lawyer members of the legislature and the lawyers and judges who interpret them in the course of litigation. It would be natural, therefore, to expect that a proposed reform in procedure would have to meet at least the possibility of two shrinking processes, one at the hands of the legislature and the other at the hands of the court. An interesting case of the latter kind is found in Chase v. Washtenaw Circuit Judge, (Mich., i921), 183 N. W. 63

Who Is an Alien Enemy?

One Gustav Muller, a native German, resided in England on May 20th, 1915. He had never been naturalized. He owned a leasehold house in England, and on the date just mentioned he executed a power of attorney to one John White to sell this leasehold house and make proper conveyance of the same. Six days later he was permitted by the British Government to return to Germany, and he started the same day, May 26th. He was known to be in Germany on June 11th, but the date of his arrival was unknown. On June 2 the leasehold was sold to Tingley, but the latter, upon learning the facts here given respecting Muller refused to proceed with the contract of sale, and commenced an action for a declaration that the contract was illegal because at the time it was made the defendant, Muller, was an alien enemy. Eve, J., held that this fact had not been proved, and dismissed the action, and an appeal was taken to the Court of Appeal, Tingley v. Muller, [1917] L. R. 2 Ch. 144, and the decision of Eve, J., was sustained