The U.S. military can no longer use CRTs as primary displays on its platforms. The burdens of CRT weight, bulk, power demand, and heat generation, tolerated for so long, have been increasing with display size. The continued availability-and the rising cost of CRT-display replacements has become a serious issue. The problem is already critical on the Air Force E-3 AWACS and Navy S-3B Subhunter aircraft. Perhaps a more ominous problem is the reduction in airframe life caused by carrying the excessive weight loads of CRTs. The U.S. Navy EP-3E Electronic Intelligence (ELINT) aircraft carries 1377 lbs. of fully militarized CRTs on its missions. (Some of these CRTs weigh 165 lbs. each.) This aircraft is already overweight to the point where nonmission-critical equipment, such as bunks and galley tables, is being removed. Airframe life is being reduced to a critical point on this aircraft because of the display load, since gross take-off weight, total flight hours, and flight in turbulent weather (which is common for the EP-3E) are major contributors to wing and airframe fatigue. Susceptibility to electromagnetic interference and reliability are also CRT problems. But perhaps the most pressing reason for the military to replace CRT displays on its ships, submarines, aircraft, and ground vehicles is the mounting pressure to convert to flat-panel displays (FPDs). The author looks at the issues involved.
The military display dilemma
Information Display ; 14 , 12 ; 28-31
1998
4 Seiten, 2 Quellen
Aufsatz (Zeitschrift)
Englisch
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