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System Upgrades For The National Airport Pavement Test Vehicle

System Upgrades For The National Airport Pavement Test Vehicle. 32 ND Airport Conference – Hershey, PA. Don Barbagallo, General Engineer - Pavements. 4 March 2009. Pavement Test Vehicle Facts & Figures. Commissioned 1999 Vehicle Weight = 1,200,000 lbs

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System Upgrades For The National Airport Pavement Test Vehicle

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  1. System Upgrades For The National Airport Pavement Test Vehicle 32ND Airport Conference – Hershey, PA Don Barbagallo, General Engineer - Pavements 4 March 2009

  2. Pavement Test Vehicle Facts & Figures Commissioned 1999 Vehicle Weight = 1,200,000 lbs Max Tire Load = 75,000 lb (Per Tire) 16 Electric Motors - 48 HP Each Top Speed – 15 MPH Fully Programmable Load Control Fully Programmable Position Control Laser Data Communication System 8 Camera Closed Circuit Video System

  3. Existing Pavement Test Vehicle Load Modules

  4. Test Vehicle UpgradeFour New Load Modules • Purpose: • Modify the NAPTF Test Vehicle to accommodate 8- and 10-wheel landing gear configurations. • Allow the FAA to conduct full-scale testing of future landing gear designs. • New Capabilities: • +/- 5 degrees of steering. • Larger rims with redesign for tire removal/installation without bearing removal. • Radial tires with greater load capacity than current bias ply tires.

  5. Module Tires

  6. New Module/Vehicle Upgrade Schedule

  7. Module Fabrication (Aug/2007) Guide Tube Structural Guide Tube Support

  8. Module Fabrication (Sept/2007) Machining Castings New Castings

  9. Module Fabrication (Oct/2007) Finished Frame Assembly Welding Frame Assembly

  10. Module Fabrication (Oct/2007) New Rims Machined Wheel Hub Assembly

  11. Module Assembly (Jan/2008) Workers Assembling Module Steering Demonstrated

  12. Module Delivery to NAPTF (Mar/2008)

  13. Existing Module Relocation (Nov/2008) Wiring Removal Hydraulics Removal

  14. Existing Module Relocation (Nov/2008)

  15. New Module Installation (Dec/2008) Construct Pit Top Portion in Pit Ready to Install Lower Module Portion Hoisted into Position

  16. New Module Installation Completed Dec/2008 Test Vehicle Upgrade North Carriage AntonovAN-124-100 South Carriage

  17. Current Module Related Activities Terminal Box and Wireway Installation Hydraulic Accumulator and Hose Installation

  18. Test Vehicle Upgrades FY 2009 • Replace Carriage Control System • Replace/Upgrade Load Controls (All Modules)

  19. Test Vehicle Upgrades FY 2009 • Modernize Control Cab Existing Control Cab

  20. Control Cab Modernization Concept Renderings

  21. Test Vehicle Upgrades FY 2009 • Replace Existing Tires/Rims on Existing Load Modules (12 Sets Required). Replace Tires/Rims

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