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Aircraft Seats World Wide Round Robin Testing

Aircraft Seats World Wide Round Robin Testing. Pat Cahill. Aircraft Seats World Wide Round Robin Testing. Materials have been ordered; 3 sets of 3 different types of seat materials Fire hardened foam (type 1) with dress cover Fire hardened foam (type 2) with dress cover

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Aircraft Seats World Wide Round Robin Testing

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  1. Aircraft SeatsWorld Wide Round Robin Testing Pat Cahill

  2. Aircraft SeatsWorld Wide Round Robin Testing • Materials have been ordered; 3 sets of 3 different types of seat materials • Fire hardened foam (type 1) with dress cover • Fire hardened foam (type 2) with dress cover • Foam with fire blocking layer and dress cover • Informal testing among a small number of labs has shown a disturbing lack of consistency in test data • Have requested that no changes be made (as recommended by the sub group) until the round robin is complete

  3. Round Robin 7 Pat Cahill

  4. Test Results

  5. FAA Samples, Post Test1 of 3

  6. FAA Samples, Post Test2 of 3

  7. FAA Samples, Post Test3 of 3

  8. Damping Material Pat Cahill

  9. Damping Material • Various thicknesses of materials used (sandwich constructions) • Weakest link appears to be the PSA (adhesion to the aircraft skin) • Led to decision to test at interface of the damping material adhesive layer and piece of sheet metal (simulate aircraft skin) • Sample size and sample placement is similar to mated hook and loop samples

  10. Damping Material(continued) • Requires build up to achieve correct height for flame impingement (using Kaowool M boards) • Somewhat difficult to achieve sample height • Intermediate scale tests scheduled for July 28 in small test rig which was used for the wire tests – we will be using the foam block as the ignition source

  11. Damping Material(continued)

  12. Damping Material(continued)

  13. Damping Material(continued)

  14. Damping Material(continued)

  15. Damping Material(continued)

  16. Damping Material(continued)

  17. Damping Material(continued)

  18. Damping Material(continued)

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  20. Damping Material(continued)

  21. Damping Material(continued)

  22. Damping Material(continued)

  23. Damping Material(continued)

  24. Aircraft Wire Flammability Test Development Pat Cahill

  25. Aircraft Wire Flammability Test Development • Report on Flammability Testing of Aircraft Wiring to be issued August 2004. • Early stages of test development …

  26. Early stages of Test Development

  27. Early stages of Test Development (continued)

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  33. Early stages of Test Development (conclusion)

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