projectile kinetic energy reduction system development … · projectile kinetic energy reduction...
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Projectile Kinetic Energy Reduction SystemDevelopment by Rapid Prototyping
Presented
At the
38th Annual Gun and Ammunition
Symposium & Exhibition
24-27 March 2003
Monterey, California
Thomas C. Welty
United Defense LP
Pat. Pending
Contents:
-Design Attributes
-Applications
-Missions
-Test Data
-Rapid Prototyping
(PKERS)PROJECTILE KINETIC ENERGY REDUCTION SYSTEM
(PKERS)PROJECTILE KINETIC ENERGY REDUCTION SYSTEM
•PKERS IS A METHOD OF RAPID KINETIC ENERGYREDUCTION.
•RAPID PROTOTYPING ALLOWED DEVELOPMENT OF,MULTIPLE METHODS AND MODELS OF DEPLOYMENT.
•RAPID PROTOTYPING ALLOWS THE ENGINEER TOTAKE A SYSTEMS MANAGEMENT APPROACH .
•MODULAR DESIGN
Pat. Pending
Pat. Pending
Pat. Pending
Pat. Pending
TWO TYPES OF DEPLOYMENT
SUBSONIC SUBSONICANDSUPERSONIC
•NON-LETHAL 81 AND 120 mmMORTARS AND PROJECTILES
•HIGH VOLUME
•NO FRAGMENTS
•NON-LETHAL
•REUSABLE
(PKERS)PROJECTILE KINETIC ENERGY REDUCTION SYSTEM
TRUE STANDOFF SYSTEM
Pat. Pending
•AREA DENIAL
•NO NOISE
Pat. Pending
(PKERS)PROJECTILE KINETIC ENERGY REDUCTION SYSTEM•SOFT LANDED, PERSONNELAND BUILDING, SENSORS
“SILENT”
LANDING FEETAVAILABLE
Pat. Pending
Fire MissionNon-Lethal MortarDispensesSub-munitions
Fire MissionFire MissionNon-Lethal MortarNon-Lethal MortarDispensesDispensesSub-munitionsSub-munitions
Crowd Disperses
Confirm Dispersal
Decision Made toDispense Air Dropor Mortar LaunchedNon-Lethal AreaDenial Munitions
Observer ConfirmsCrowd DispersalObserver ConfirmsCrowd Dispersal
Arial Observer sent toArial Observer sent togather Intel on gather Intel on roadwayto protect escato protect escape routee routefor Primary Missionfor Primary Mission
(PKERS)PROJECTILE KINETIC ENERGY REDUCTION SYSTEM
EXTENDED RANGE:
•VEHICLE ANDPERSONNEL SENSORS
•UAV REPEATERSTATIONS
“SILENT”
AIRFORCE HIGH ALTITUDEAIR DROP SENSORS
Pat. Pending
Pat. Pending
Pat. Pending
(PKERS)PROJECTILE KINETIC ENERGY REDUCTION SYSTEM
5” AND 155 MM PROJECTILE CARRIERS
•RECOVERABLE BOUYS
•SEA AND LAND SENSORS
Pat. Pending
Pat. Pending
(PKERS)PROJECTILE KINETIC ENERGY REDUCTION SYSTEM
•BATTLE FIELD SOFT LANDEDGROUND SENSORS
•REDUCED RISK TOPERSONNEL AND EQUIPMENT
•SPECIAL OPERATIONSDEVICES
“SILENT”
•A TRUE STAND OFFSYSTEM OF DELIVERY
Pat. Pending
(PKERS)PROJECTILE KINETIC ENERGY REDUCTION SYSTEM
•WHITE AND IR ILLUMINATION ROUNDS
•INCREASED HANG TIME BY APPROXIMATELY 100%
(From ~1 min to ~2 min) FOR A GIVEN MASS
•INCREASED SAFETY FOR OUR TROOPS
(NO FRAGMENTS)
•RECOVERABLE / REUSABLE
•COST EFFECTIVE
•MODULAR DESIGN
Pat. Pending
(PKERS)PROJECTILE KINETIC ENERGY REDUCTION SYSTEM
MULTIPLE METHODS AND USES:
- ILLUMINATION (White and Infrared) - UAV SIGNAL REPEATER
- AREA DENIAL (Land and Sea) -SONAR BUOYS (Advanced Warning)
- HYDROPHONE (Advanced Warning) - NASA INSTRUMENT LANDER
- AIRBORNE AND SURFACE - POTENTIAL ARMOR AND PERSONNEL
WEATHER CONDITIONS DEFENSE
- POTENTIAL GUIDED DECENT - POTENTIAL POWERED FLIGHT
- AIR DROP SENSORS AND SNIFFERS (STATION KEEPING OBSERVER)
RECOVERABLE “SILENT”
Pat. Pending
(PKERS)PROJECTILE KINETIC ENERGY REDUCTION SYSTEM
THREAT COMMUNICATION AND NAVIGATION AIDS
RECOVERABLEENVIRONMENTALLYFRIENDLY
RETRACTABLE
Pat. Pending
(PKERS)PROJECTILE KINETIC ENERGY REDUCTION SYSTEM
•SOFT LANDED
•SONAR BUOYS
•HYDROPHONES
SEA USE: THEATER THREAT INFORMATION
•ABILITY TOREDUCE LOSSESFROM IMPACT ANDINCREASE TREATAWARENESS.
•REDUCED RISK TOPERSONNEL
•RECOVERABLE
Pat. Pending
TESTING (Wright Patterson AFB)
(PKERS)PROJECTILE KINETIC ENERGY REDUCTION SYSTEM
•Terminal Velocity Shown
is in ft/sec.
•23 ft/sec = 7 m/sec or
15.7 miles/hr Terminal
Velocity
•Wind tunnel data
available.
•Exceeds Government
Non-Lethal Requirement
DOUBLE CLICK PICTURE
Pat. Pending
(PKERS)PROJECTILE KINETIC ENERGY REDUCTION SYSTEM
Pat. Pending
DoubleClick
(PKERS)PROJECTILE KINETIC ENERGY REDUCTION SYSTEM
POLYCARBONATE
3 DIMENSIONAL PLASTIC
MODELER
Design For Manufacturing
Pat. Pending
(PKERS)PROJECTILE KINETIC ENERGY REDUCTION SYSTEM
Chamber BuildEnvelope Dimensions
14 Inches Deep
16 Inches Wide
14 Inches Height
Pat. Pending
(PKERS)PROJECTILE KINETIC ENERGY REDUCTION SYSTEM
•FORM, FIT, FUNCTION
•COST EFFECTIVE METHOD OF DEVELOPEMENT
• MODELS ALLOW YOU TO ACTUALLY TOUCH AND HOLDA PART FOR FORM
•ALLOWS TESTING FOR FUNCTION WITHOUT HARDTOOLING
•DIMENSIONALLY STABLE PARTS
•REPEATABLE UNIFORM PARTS
Pat. Pending
(PKERS)PROJECTILE KINETIC ENERGY REDUCTION SYSTEM
CASE STUDY: NONLETHAL MORTAR
PRODUCT DEVELOPMENT COST
•ENABLED DEVELOPMENT OF, MULTIPLE MODELS ANDMETHODS OF DEPLOYMENT WITHOUT EXPENSIVE TOOLING.
•DRASTIC REDUCTION IN DEVELOPMENT COST
•CONVENTIONAL INJECTION MOLD TOOLING COST WOULD HAVEBEEN APPROXIMATELY 50 TO 125K PER PART. (7 TO 13 PARTSPER MODEL)
•PLASTIC COST IS $7.00 PER CUBIC INCH OF MATERIAL PLUSLABOR
USE OF THE STRATASYS TITAN 3 DIMENSIONAL MODELER
Pat. Pending
(PKERS)PROJECTILE KINETIC ENERGY REDUCTION SYSTEM
Pro-E Titan Low Level Flight Testing
NO HARD TOOLING USED
Pat. Pending
Pat. Pending
(PKERS)PROJECTILE KINETIC ENERGY REDUCTION SYSTEM
ACTUAL PARTS FOR THE 120 MM MORTAR IN PROCESS
CAN BE SEEN AT THE UNITED DEFENSE BOOTH
Pat. Pending
(PKERS)PROJECTILE KINETIC ENERGY REDUCTION SYSTEM
Summary:
-PKERS is a viable design for Nonlethal
weapons and can be integrated to carry
soft landed payloads of many types.
-This design has been developed to
address reliable deployment and soft
landing issues associated with
parachutes.
(PKERS)PROJECTILE KINETIC ENERGY REDUCTION SYSTEM
Pat. Pending