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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)

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  17. Damping Material(continued)

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  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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