United States Department of Transportation
Evaluation of Wind-Driven Retroreflective Taxiway Edge Markers
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1982-12-01
File Language:
English
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Edition:Final Report
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Abstract:An innovative taxiway edge retroreflective marker, designed to rotate when there is sufficient wind, was evaluated to determine whether the markers would provide adequate visual guidance at night while rotating and when stationary, and whether the innovative rotating feature adds to or detracts from the guidance value. The evaluation was not intended to determine whether the device will or will not meet Federal Aviation Administration (FAA) Specifications. The markers consist of a plastic can or cylinder, 6 1/4 inches by 8 inches tall, mounted on plastic Polyvinyl Chloride (PVC) pipe. Wind collector vanes on the cylinder are used to rotate the cylinder when winds are above approximately 8 knots. Light is reflected at night from retroreflective bands of yellow and blue material and from glass beads imbedded in the painted material. The retroreflective bands of material are staggered vertically producing motion or movement both when rotating horizontally and vertically.
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Main Document Checksum:urn:sha-512:3ec871a3c3df068071bd819bbc02bafa52eb3e3cbe90b7beb464f40674e60003e6466d9fc6876dbe7e42cab9150fb959ab8707ee4574741e1823450f00ffd690
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File Type:
[PDF
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File Language:
English
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