The 6517M Series spark plug adaptor is an offset integral spark plug with a 5-mm access hole for sensor installation. Sized to replace 14-mm spark plugs, eight combinations of performance upgrades are offered in three reaches. Performance upgrades include longer-life electrodes and anti-cold fouling features. Placed in the combustion chamber for high-accuracy measurement, the pressure sensors are installed to complete a testing sequence.
Kistler Instrument Corp., 75 John Glenn Dr., Amherst, NY 14228, FAX (716) 691-5226.
Producing high-quality end-production metal parts with additive manufacturing for applications like aerospace and medical requires very tightly controlled processes and materials. New standards and guidelines for machines and processes, materials, and printed parts are underway from bodies such as ASTM International.
Engineers at the University of San Diego’s Jacobs School of Engineering have designed biobatteries on commercial tattoo paper, with an anode and cathode screen-printed on and modified to harvest energy from lactate in a person’s sweat.
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