Developing Improved Civil Aircraft Arresting Systems (2009) / Chapter Skim
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Pages 144-147
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From page 144... ...
Engineered aggregate arrestor Each demonstrated relative strengths and weaknesses. All three options provide concepts with increased material durability over cellular cement, which would likely result in longer life cycles and decreased maintenance requirements.
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From page 145... ...
Comparison of single-aircraft bed performance for all candidates: distance travelled in bed for full arrest assuming 70-knot exit speed. 0 100 200 300 400 500 600 700 800 900 1000 Current EMAS Glass Foam Engineered Aggregate Aggregate Foam St op pi ng D is ta nc e (ft )
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From page 146... ...
The general trends appear similar in either case, with the aggregate foam concept providing the least expensive alternative, and the glass foam Aircraft Glass Foam Engineered Aggregate Aggregate Foam CRJ-200 70+ 70+ 70+ B737-800 70+ 63 70+ B747-400 46 39 56 Table 13-1. Comparison of multi-aircraft bed performance: exit speeds for full arrest in 400-ft bed.
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From page 147... ...
. Aggregate foam provided a novel approach that featured excellent multi-aircraft bed performance due to its depthvarying crushable material; this would effectively lead to shorter arrestor beds.
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