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Team 98.02 Rocket Sled

Team: Tom Bartoski Brian Bitter Brian Dearolf Robert Gifford Tom Koehler Customers: Dave Scott Advisor: Dr. Len Schwartz Jack Armstrong Aberdeen Test Center Mission Statement: To design and build a rocket sled for testing a warhead’s effectiveness on light aircraft armor.

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Team 98.02 Rocket Sled

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  1. Team: Tom Bartoski Brian Bitter Brian Dearolf Robert Gifford Tom Koehler Customers:Dave ScottAdvisor:Dr. Len Schwartz Jack Armstrong Aberdeen Test Center Mission Statement:To design and build a rocket sled for testing a warhead’s effectiveness on light aircraft armor. Approach:By gaining an understanding of missile testing and technology, we will evaluate current techniques and apply our knowledge and creativity to design and manufacture a working prototype. Team 98.02 Rocket Sled

  2. Why Rocket Sled Testing? • A low cost method to test warhead effectiveness • A more repeatable and controlled testing method • A safer alternative to live fire testing

  3. Problem Statement • Attain speed of 800 m/s • Release warhead from sled • Strip sled away

  4. Customers Jack Armstrong Dave Scott ATC Testing Crew Wants Simulate speed Simulate flight Strip away sled Simple test setup Customers and Wants

  5. Project Constraints • Sled must fit L-field rails • Use Zuni rocket motors for propulsion • Sled must not impact target • Cannot modify warhead

  6. Testing Facilities Aberdeen (APG) Holloman AFB Eglin AFB Key Points Sled shoe design High velocity Explosive charge for separation Rocket motor mounting Benchmarking

  7. Velocity Total test time Missile impact Sled shrapnel impact 800 m/s minimum One work day 90° to target 0% area Quality Metrics

  8. Concept Generation • Pusher Sled • Two sled scheme • Sidewinder • Side-mounted warhead • Cannon • Explosive release • Slingshot • Inertial release

  9. Concept Selection

  10. Analysis • PATRAN analysis • Railshot FORTRAN program • Drag coefficients from past results • Check for fit

  11. Prototype Components • Launch Sled • Powered Sled • Zuni Rocket • Missile & Warhead

  12. Order of Events • Rockets ignite • Powered sled collides with barriers • Electrical contact triggers LAW motor • Missile separates from sled • Sled collides with second set of barriers • Missile impacts target

  13. Budget • Material Cost • Launch Sled......................... • Powered Sled....................... • Labor Costs • Machining • Professional time............ • Student time.................... • Welding................................ • Total Cost........................... $175 $165 $442 (15 hrs) $500 (100 hrs) $70 (2 hrs) $1352

  14. Recommendations • Simplify front launch rod support • Welds as opposed to bolts • Improve aerodynamics

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