IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0772591
(2013-02-21)
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등록번호 |
US-8919257
(2014-12-30)
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발명자
/ 주소 |
- Hooke, Ryan
- Myers, Tyler
- Stout, Christopher
- Caulfield, Michael
- Totten, Alan
|
출원인 / 주소 |
- The United States of America as Represented by the Secretary of the Army
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
0 인용 특허 :
4 |
초록
▼
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 re
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.
대표청구항
▼
1. A round for simulating an 155 mm Excalibur ammunition for testing purposes, said round fired into a SCat soft catch recovery device, said round having a defined longitudinal axis and further comprising: a metallic hollow cylindrically shaped main body part sized and having internal threading at a
1. A round for simulating an 155 mm Excalibur ammunition for testing purposes, said round fired into a SCat soft catch recovery device, said round having a defined longitudinal axis and further comprising: a metallic hollow cylindrically shaped main body part sized and having internal threading at a first end thereof so the main body part can receive a real GNC unit from a real Excalibur round, and wherein the main body part is also sized and has internal threading at a second end thereof so it can receive a real tactical base from a real Excalibur round, and;an aluminum front piece having an ogive shaped nose having a tip thereon, and a rear face plane perpendicular to the round's longitudinal axis, the front piece having a defined length from the nose tip to the rear face, said front piece also having a cylindrically shaped rear plug having outside threads on the circumference thereon which plug can also compatibly mate it into the main body part first end, and;an aluminum base piece having a cylindrically shaped front area with a defined front plane that is plane perpendicular to the round's longitudinal axis, the circumference of said front area also having external threading thereon which can compatibly mate into the main body part second end, and;wherein an open cargo space is created in between the front piece's rear face plane and the base piece's front plane when the front piece and base piece are screwed in at their respective first and second ends of said main body part, and wherein desired cargo can be firmly held in place in said cargo space by screw tightening said front piece and said base piece, and;first washer shaped weights sized to fit in the first end of the main body in between the front piece and the main body and second washer shaped weights sized to fit in the second end of the main body in between the base piece and the main body, and a hollow cylindrical sleeve sized to fit snugly just inside the cargo area to add ballast weight inside the round and inside the round's cargo area respectively, and;a plastic slipping driving band obturator ring applied around the base piece, and optionally having lubricant there between obturator and base piece, and;wherein the cargo comprises instrument components to measure obturator pressure blow by from base piece forward to main body piece, and;wherein the SCat device comprises a hollow steel cylinder into which the round is fired for testing purposes, a first distance to break through a diaphragm, then a second distance in pressurized area to break through a piston, then into a water medium of some 550 feet to come to a stop. 2. The round of claim 1 wherein the obturator comprises material that is selected from the group of: metallic, plastic, metal plastic composite, or metal plated material. 3. The round of claim 1 wherein the ogive of the front piece has the same exterior profile as on a real Excalibur round. 4. The round of claim 1 wherein the base piece exterior has the same volume as on a real Excalibur round. 5. The round of claim 1 wherein the main body piece exterior has the same profile as on a real Excalibur round. 6. The round of claim 1 wherein the round when assembled has the same exterior profile as a real Excalibur round. 7. The round of claim 1 wherein the front piece has the same weight and center of gravity as the real GNC unit from a real Excalibur round. 8. The round of claim 1 wherein the main body piece has the same weight and center of gravity, moments of inertia, as the real main body piece from a real Excalibur round. 9. The round of claim 1 wherein the base piece has the same weight and center of gravity as the real base unit from a real Excalibur round. 10. A round for simulating an 155 mm Excalibur ammunition for testing purposes, said round having a defined longitudinal axis and further comprising: a steel hollow cylindrically shaped main body part sized and having internal threading at a first end thereof so the main body part can receive a real GNC unit from a real Excalibur round, and wherein the main body part is also sized and has internal threading at a second end thereof so it can receive a real tactical base from a real Excalibur round, and;an aluminum front piece having an ogive shaped nose having a tip thereon, and a rear face plane perpendicular to the round's longitudinal axis, the front piece having a defined length from the nose tip to the rear face, said front piece also having a cylindrically shaped rear plug having outside threads on the circumference thereon which plug can also compatibly mate it into the main body part first end, and;an aluminum base piece having a cylindrically shaped front area with a defined front plane that is plane perpendicular to the round's longitudinal axis, the circumference of said front area also having external threading thereon which can compatibly mate into the main body part second end, and;wherein an open cargo space is created in between the front piece's rear face plane and the base piece's front plane when the front piece and base piece are screwed in at their respective first and second ends of said main body part, and wherein desired cargo can be firmly held in place in said cargo space by screw tightening said front piece and said base piece, and;first washer shaped weights sized to fit in the first end of the main body in between the front piece and the main body and second washer shaped weights sized to fit in the second end of the main body in between the base piece and the main body, and a hollow cylindrical sleeve sized to fit snugly just inside the cargo area to add ballast weight inside the round and inside the round's cargo area respectively, and;a plastic slipping driving band obturator ring applied around the base piece, and optionally having lubricant there between obturator and base piece, and;wherein the cargo comprises instrument components to measure obturator pressure blow by from base piece forward to main body piece. 11. The round of claim 10 wherein the obturator is metallic or composite metal plastic. 12. The round of claim 10 wherein said round is fired into a SCat soft catch recovery device, wherein the SCat device comprises a hollow steel cylinder into which the round is fired for testing purposes, a first distance to break through a diaphragm, then a second distance in pressurized area to break through a piston, then into a water medium of some 550 feet to come to a stop.
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