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Reading light
B/E Aerospace, Inc. has introduced a longer-lasting reading light that consumes
less power and can be used in business jets and commercial passenger aircraft.
Using light-emitting diode technology, it consumes only 50% of the power and
lasts 10 to 12 times longer than incandescent and halogen lights. The reading
light features a patent-pending temperature-compensation circuit designed to
increase lamp longevity while generating a high-quality white light.
Compact load cell
Transducer
Techniques, Inc.'s MLC Series miniature, high-capacity compression-only load
cell/force sensor features a low-profile, compact size for a variety of portable
and dedicated applications up to 30,000 lb. The load diameter is slightly convex
for accurate load distribution. Low deflection through design results in ultra-fast
frequency response. Manufactured from heat-treated 17-4 stainless steel, the
sensor is designed to be mounted in a shallow machined flat surface, either
free or fastened via a bottom 6-32 tapped hole. The sensing element incorporates
bonded foil strain gauges to produce a full-scale output of 2mV/V.
Crew rest compartment heating system
BFGoodrich Co.'s self-regulating, closed-loop air heating system has been selected
for Delta Air Lines' MD-11 main deck crew rest compartments. A touch-pad LED
display allows crew members to set the desired room temperature. The system
includes a microprocessor controller and display, electro-thermal heating units,
and air temperature sensors. It is compatible with existing 750-, 1500-, and
2250-W heaters.
Elastomeric bearings
Chicago
Rawhide, Aerospace Business Unit has announced increased installations of its
main rotor bearings for helicopters, including new main rotor bearings (front
and aft) that upgrade an existing helicopter's powertrain performance. The bearings
are made by layering special elastomers between disks of various metals and/or
composite materials. This reduces a multicomponent assembly to a single-unit
design that requires no lubrication.
Strain sensors
The
DTD 2684 Series of integral, full-bridge temperature-compensated strain sensors
from Columbia Research Laboratories, Inc. is available in various models to
match the materials commonly used in aircraft manufacturing. They are easily
bonded to critical airframe surfaces by either field technicians or by manufacturing
personnel. The use of direct strain measurement is a more accurate representation
of fatigue loading experienced by tactical aircraft under various conditions
of speed, weight, and mission configuration. Originally designed for fighter
jets, these sensors are now applicable in life extension programs, monitoring
fatigue on older planes.
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