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"Rail travel at high speeds is not possible because passengers, unable to breathe, would die of asphyxia."
Dionysius Lardner, Professor of Natural Philosophy and Astronomy at University College, London ; 1830
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| Number | Title | Issue Date |
| 4583703 | One fin orientation and stabilization device An orientation and stabilization device for a submunition is disclosed. A w profile cylindrical submunition body has a single fin attached thereto at an asymmetrically located position with respect to the central axis of the cylindrical body. The fin is t... | 04/22/1986 |
| 4568041 | Fin attachment An improved fin attachment having a socket for reception of a tang mounted n a missile fin, an element for drawing the tang into the socket, and frusto-conical concentric rings which engage the tang and the socket to connect them rigidly in a predetermined... | 02/04/1986 |
| 4533094 | Mortar system with improved round An improved round for a mortar is shown to include a streamlined, jettisonable nose covering a hemispherical infrared (I.R.) dome incorporated in a gyroscopically stabilized I.R. seeker, deployable wings and a jet control arrangement; during the initial p... | 08/06/1985 |
| 4524697 | Projectile arrangement for a weapon having a gun barrel A projectile arrangement for a gun barrel weapon having a plurality of sub-caliber projectiles which are mounted on a common sabot which is composed of a plurality of segments. These projectiles are designed for a sequential flight one behind the other at... | 06/25/1985 |
| 4520972 | Spin-stabilized training missile A spin-stabilized training missile is equipped with a stabilizer device for reducing spinning in order to decrease the flight range. The training missile is designed so that its stabilization attainable solely by the spin upon firing is not sufficient for... | 06/04/1985 |
| 4519316 | Ammunition, preferably for machine cannons, including a projectile equipped with a tracer, with the lethal range of the projectile being limited if the target is missed In ammunition, preferably for machine cannons, including a subcaliber stabilized projectile equipped with a body of tracer material and a stabilizing element, the heat released during combustion of the tracer material is utilized to drastically change the... | 05/28/1985 |
| 4512537 | Canard control assembly for a projectile Control is provided to conventional gun-fired projectiles by substituting for the standard fuze thereof a device comprising a canard frame and a main housing, which threads into the fuze well of the projectile, with the canard frame being rotatable with r... | 04/23/1985 |
| 4501397 | Method of stabilizing flight of a flying body and flight-stabilized flying body A method of stabilizing flight of a flying body having a circular cross-section by the use of a plurality of tripping wires, when the flying body flies in an air current at a high angle of attack with respect to the air current. And also a flight-stabiliz... | 02/26/1985 |
| 4477084 | Vane structure for arrows An arrow vane which is of a solid one-piece construction and of a soft flexible material such as polyurethane. The vane has a base portion and an integrally formed fin with corrugations therein. The corrugations are at a 45° angle with respect to the bas... | 10/16/1984 |
| 4440360 | Extendable fin In an ammunition unit in the form of a shell (1), projectile or the like which is fin-stabilized, an extendable fin is utilized which is intended to be retracted during firing in a barrel or the like and to be extended as soon as the shell or the like has... | 04/03/1984 |
| 4427167 | Stabilizing apparatus for an air launched weapon Apparatus for stabilizing a weapon launched from an aircraft. The weapon is rovided with a plurality of concentric rings mounted on the nose of the weapon for reducing nose lift. The tail of the weapon is provided with a plurality of wedge shaped fins posi... | 01/24/1984 |
| 4373688 | Canard drive mechanism latch for guided projectile A latching pin is held in a mating hole by a retaining wire prior to firing f a guided projectile to lock together a canard frame and an intermediate body which is part of a canard deflecting mechanism. Upon launch, the retaining wire is sheared by an iner... | 02/15/1983 |
| 4351503 | Stabilized projectiles Stabilized ballistic projectiles of the explosive type (e.g. artillery and mortar shells, bombs) are described including a plurality of stabilizing fins symmetrically arranged around the nose of the projectile well forward of its center of mass and pivota... | 09/28/1982 |
| 4327885 | Thrust augmented rocket Invention is an aerial vehicle that uses a centrally located aft burning id-propellant motor to supply a fuel-rich exhaust to four cylindrical engines which are mounted in equally spaced relation about the exterior of the vehicle body. The fuel-rich exha... | 05/04/1982 |
| 4327884 | Advanced air-to-surface weapon An unconventional advanced air-to-surface weapon of monowing configuration, and having a symmetrical, high lift fuselage of lenticular (i.e., biconvex or oblate) cross section, with a width-to-thickness fineness of approximately 2.5. The longitudinal prof... | 05/04/1982 |
| 4264043 | Stabilizer for aerospace vehicles An elongated channel-shaped stabilizer for use with aircraft and other aerospace vehicles for the purpose of providing additional stability and control in flight. The stabilizer can be fastened externally or molded into the fuselage of an aircraft and is ... | 04/28/1981 |
| 4186900 | Disintegratable aerodynamic brake A disintegratable aerodynamic brake is disclosed for use on a re-entry vehicle for retarding vehicle speed upon re-entry. The brake is connected to the travelling vehicle and is fabricated from a refractory material and is configured to progressively fuse... | 02/05/1980 |
| 4153223 | Limited-range projectile having a flat trajectory There is disclosed a limited range, high-speed projectile with a flat trajectory. The range is limited by controlling the air resistance of the projectile, so that the air resistance increases markedly when the projectile speed drops below a certain value... | 05/08/1979 |
