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Using Human Figure Modeling to Examine C-130 Loadmaster Maneuverability During Transport of Stryker Variants

Using Human Figure Modeling to Examine C-130 Loadmaster Maneuverability During Transport of Stryker Variants. Mr. Richard Kozycki Human Engineering Analysis Tools Team Human Research and Engineering Directorate rkozycki@arl.army.mil (410) 278-5880.

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Using Human Figure Modeling to Examine C-130 Loadmaster Maneuverability During Transport of Stryker Variants

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  1. Using Human Figure Modeling to Examine C-130 Loadmaster Maneuverability During Transport of Stryker Variants Mr. Richard Kozycki Human Engineering Analysis Tools Team Human Research and Engineering Directorate rkozycki@arl.army.mil (410) 278-5880 Distribution limited to Department of Defense organizations and their U.S. contractors only (Critical Technology) (6 July 2000) Additional or other requests for release should be forwarded to Frank Ostovic, AMSRL-CC-PB-PP, US Army Research Laboratory, 2800 Powder Mill Road, Adelphi, MD 20783

  2. Stryker Vehicles Background: Army Transformation Plan Blueprint to achieve Objective Force goal of providing Commanders with the ability to deploy a combat brigade anywhere in the world within 96 hours. Stryker vehicles key component of OF goal.

  3. Stryker C-130 Air Transportability Requirement • C-130 Transportability requirement for Stryker vehicles are critical for meeting the OF timeline. • most common tactical lift aircraft in the world • provide greater access to airstrips than would be possible with larger aircraft. • carrying a maximum of 38,000 pounds for up to 1,000 nautical miles

  4. Modeling & Simulation Effort Goal: Use modeling and simulation to identify any C-130 Loadmaster maneuverability problems and examine vehicle modifications that will aid compliance to Air Force transportability standards.

  5. Jack Human Figure Modeling Evaluate what target audience can fit in a given workspace, reach and see controls and displays, and ingress and egress By positioning bio-mechanically accurate digital humans of various sizes in virtual environments, assigning them tasks and analyzing their performance.

  6. Stryker Vehicle Variants Variants with similar Loadmaster maneuverability issues: ICV - Infantry Carrying Vehicle MCV - Mortar Carrying Vehicle RV - Reconnaissance Vehicle FSV - Fire Support Vehicle NBC RV - Nuclear, Biological, Chemical Reconnaissance Vehicle CV - Command Vehicle Variants with unique Loadmasters maneuverability issues: ATGM - Anti-Tank Guided Missile MEV - Medical Evacuation Vehicle ESV - Engineer Squad Vehicle MGS – Mobile Gun System

  7. Stryker Support: C-130 Loadmaster Maneuverability Analysis ICV exterior with armor and stowage Loadmaster Life Support Equipment

  8. Stryker Support: C-130 Loadmaster Maneuverability Analysis 25.1” 15.3” CV loaded onto C-130 with stowage items removed from the vehicle

  9. Stryker Support: C-130 Loadmaster Maneuverability Analysis Insufficient aisleway clearance for large male population 95th percentile stature male without life support equipment

  10. Stryker Support: C-130 Loadmaster Maneuverability Analysis CV roof to C-130 ceiling clearance dimensions 29.8” 25.6” 26.0” 25.1” 26.7” 25.1” 15.3”

  11. Stryker Support: C-130 Loadmaster Maneuverability Analysis 25.1” 15.3” Close up view of large male Loadmaster crawling through area of lowest ( 25.1”) vehicle roof clearance

  12. Stryker Support: C-130 Loadmaster Maneuverability Analysis 25.1” 15.3” Vertical brackets are obstacles in the traversal path. These components could pose possible injury risk to Loadmaster

  13. Loadmaster Maneuverability Over Stryker ATGM Top view of large male figure crawling over 50 cal weapon mount

  14. Loadmaster Maneuverability Over Stryker ATGM Possible exposure to knee injury due to contact with hatch hinge assembly and latch handle

  15. ATGM Catwalk Design 25.1” 15.3” 4 - 6 inch gap between Catwalk and C-130 interior wall 7 inch wide Catwalk proposed 7”

  16. ATGM Catwalk Design 25.1” 15.3” Large male figure using catwalk to traverse vehicle to right of commander’s hatch area Low clearance poses possibility of snagging chest worn equipment

  17. ATGM Catwalk Design Side View of Loadmaster Traversal 25.1” 15.3” Larger Loadmaster must keep hips close to vehicle to clear adjacent wall. This posture requires the feet to be positioned on Catwalk parallel to the vehicle while upper torso is twisted 45 degrees in order to place hands and arms on the roof for support

  18. - ATGM Catwalk Design Top view of Loadmaster traversal using Catwalk 25.1” 15.3”

  19. ATGM Catwalk Design 25.1” Possible risk of injury due to foot or leg becoming lodged into gap between Catwalk and interior wall 15.3”

  20. ATGM Roof Ledge Modification Large male figure crawling on ledge panel added to top right side of ATGM 27.1” clearance from outer ledge to ceiling

  21. Stryker MEV Loadmaster Analysis MEV roof to C-130 ceiling clearance dimensions 24.2” 14.5” 26.7” 27.1” 25.1” 15.3”

  22. Stryker MEV Loadmaster Analysis MEV roof width dimensions for Loadmaster traversal path 15.3” 22.6” 40.8”

  23. Stryker MEV Loadmaster Analysis 25.1” 30.0” Addition of detachable shelf to left hand side of rear roof section to increase width of Loadmaster traversal path

  24. Stryker MEV Loadmaster Analysis Loadmaster shown traversing rear roof section with added detachable shelf 25.1”

  25. Stryker MEV Loadmaster Analysis 25.1” Top view of Loadmaster traversing rear roof section with added detachable shelf

  26. Status Seven of Ten Stryker Variants Analyzed: ICV ATGM RV MEV CV MCV FSV Three Stryker Variants Remaining to be Analyzed: ESV MGS NBCRV

  27. Summary • Field Testing • Limited Access to: • Availability of Vehicles and Equipment • Subjects • Population Extremes • Modeling with Jack • Quantitative analysis of accommodation (fit, reach, see) for full range of target audience • Unlimited “access” to subjects and equipment • Design modifications can be quickly tested

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