Aircraft Seats World Wide Round Robin Testing

Aircraft SeatsAircraft SeatsWorld Wide Round Robin TestingWorld Wide Round Robin Testing

Pat Cahill

Aircraft SeatsAircraft SeatsWorld Wide Round Robin TestingWorld 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

Round Robin 7Round Robin 7

Pat Cahill

Test ResultsTest ResultsAF Denotes After Flame in SecondsFP Denotes Flame Propagation in Inches

Denotes Incomplete Data* Comments to be shared in Subgroup Meeting

AF FP AF FP AF FP AF FP AF FP AF FP AF FP AF FP AF FP AF FP1 0 1 0 0 0 1 11 2.5 0 * 0 0 0 <2 0 1.25 0 <2 0 0.752 0 1 0 0 0 1.12 0 0 0 * 0.5 0 0 <2 0 1.5 2 <2 0 0.63 0 1 0 0 0 1 8 1.5 0 * 0 0 0 <2 1 1.25 0 <2 1 0.64 0 1 9 2 0 1 3 1.75 0 * 0 0 0 <2 0 1.5 0 <2 2 0.795 0 1 2 0 0 1 3 1.5 0 * 0 <2 52+ 10 0 <2 1 0.79

AF FP AF FP AF FP AF FP AF FP AF FP AF FP AF FP AF FP AF FP1 0 1.5 25+ 10 0 1 30 9 0 <2 1.2 0 6 <2 25 10 0 <2 30 7.12 0 1.5 25+ 10 0 1 30 8 0 <2 1.9 0 3 <2 25 10 0 <2 4 1.23 0 1 0 2 0 1 30 9 0 <2 0 0 1 <2 0 3 0 <2 2 0.984 16 5 25+ 10 1 1 30 8 3 <2 2.5 0 4.5 <2 30 10 1 <2 6 0.985 35 10 20 10 1 1 30 9 0 <2 0 0 5 <2 2 1.5 0 <2 4 0.79

AF FP AF FP AF FP AF FP AF FP AF FP AF FP AF FP AF FP AF FP1 0 1.5 16 5 0 1 30 9 25+ * 1.2 1 7 <2 16+ 10 1 <2 25 9.252 0 1.5 6 2 0 1 30 9.5 0 * 0.1 0 0 <2 20+ 10 1 <2 4 1.383 44 10 25+ 2 0 1 30 9.5 0 * 6 0 30 9.5 20+ 10 0 <2 2 0.794 0 1.25 25+ 10 1 1.25 30 9.25 25+ * 3 1 86 10.2 1 <2 26 9.055 0 1.3 25+ 10 0 1 30 9.5 3 * 0 0 0 <2 1 <2 2 0.98

Lab C Lab D Lab I

Sam

ple

Heat Flux of 1.0 BTU/ft2 sec (1.15W/cm2)

Polyimide Film - Metallized TedlarTM Tape

Lab E Lab F Lab G Lab HLab A Lab B

Lab HLab A Lab B Lab C Lab D

Lab E Lab F Lab G

Lab E Lab F Lab G

Lab A Lab B Lab C Lab D Lab H Lab I

Sam

ple

Lab J

Lab J

Lab J

Heat Flux of 1.3 BTU/ft2 sec (1.47W/cm2)

Heat Flux of 1.5 BTU/ft2 sec (1.7W/cm2)

Lab I

Sam

ple

FAA Samples, Post TestFAA Samples, Post Test1 of 31 of 3

FAA Samples, Post TestFAA Samples, Post Test2 of 32 of 3

FAA Samples, Post TestFAA Samples, Post Test3 of 33 of 3

Damping MaterialDamping Material

Pat Cahill

Damping MaterialDamping MaterialVarious 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

Damping MaterialDamping Material(continued)(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

Damping MaterialDamping Material(continued)(continued)

Damping MaterialDamping Material(continued)(continued)

Damping MaterialDamping Material(continued)(continued)

Damping MaterialDamping Material(continued)(continued)

Damping MaterialDamping Material(continued)(continued)

Damping MaterialDamping Material(continued)(continued)

Damping MaterialDamping Material(continued)(continued)

Damping MaterialDamping Material(continued)(continued)

Damping MaterialDamping Material(continued)(continued)

Damping MaterialDamping Material(continued)(continued)

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Damping MaterialDamping Material(continued)(continued)

Damping MaterialDamping Material(continued)(continued)

Aircraft Wire Flammability Test Aircraft Wire Flammability Test DevelopmentDevelopment

Pat Cahill

Aircraft Wire Flammability Aircraft Wire Flammability Test DevelopmentTest Development

Report on Flammability Testing of Aircraft Wiring to be issued August 2004.

Early stages of test development …

Early stages of Test Development Early stages of Test Development

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Early stages of Test Development Early stages of Test Development (conclusion)(conclusion)