US Government As Represented by the Secretary of the Army

USA As Represented by Secretary of the Navy

Tyler Myers

Ryan Hooke

Christopher Stout

Kyle Schaarschmidt

Matthew Hawkswell

Michael Caulfield

Alan Totten

A high pressure obturator for a breech loaded, tube-launched projectile includes a generally annular ring having a central longitudinal axis and a radially inward portion. A flange portion is disposed radially outward of and partially contiguous with the radially inward portion. The flange portion extends axially forward and aft beyond the radially inward portion. The outer diameter of the flange portion decreases linearly from an aft most outer diameter to a forward most outer diameter. The obturator may be formed of a plastic material and include circumferential wraps of a high-strength fiber completely embedded in grooves in the obturator.

High pressure obturators and method of making

A method of determining fluid pressure on a gun-launched projectile relies on deformation of a thin layer of a metallic material that comprises the outer layer of a segment of the projectile body. The axial segment of the projectile body that is selected for pressure measurement is altered or replaced with another axial segment. The altered segment has a thin-walled, structural, metallic sleeve that is concentric with an underlying hollow, metallic cylindrical body. The radially outermost surface of the body underlying the sleeve has a plurality of indentations formed thereon. Measurements of the deformations of the thin-walled sleeve into the indentations in the underlying body are correlated with known deformation and pressure data to determine pressure that was applied to the projectile during its ballistic cycle.

Pressure sensing method and apparatus for gun-launched projectile

A round for simulating an 155 mm Excalibur ammunition for testing purposes. The round can effectively simulate the flight patterns of a real Excalibur round for testing purposes though made of far less expensive reusable parts. The round is generally fired into a water trough in a long soft catch recovery device so the tested round can later be studied, or generally fired ballistically, to test obturator devices.

155 mm XM1126 testing/training projectile

A reusable test projectile may be used for spinning and non-spinning shots in a soft catch system. The projectile may include a body having an integrally formed base and a removable nose. The body may define a generally cylindrical open area between the nose and the base. A generally circular cargo retaining ring may be disposed in the open area, normal to a longitudinal axis of the projectile. A cargo area is defined between the cargo retaining ring and the base. The solid bulkhead includes a front surface that forms a rear end of the cargo area and a rear concave surface. A driving band seat can be added on the exterior surface of the body at the bulkhead, for each repeated launch of the projectile, as may be desired. A slipped obturator seat may be formed on the exterior surface of the base rearward of the driving band seat, as desired.

Growing community of inventors

Lebanon, NJ, United States of America

Tyler Myers