Observations on 25,000 Hours of Free-Piston-Engine Operation

Abstract

<div class="section abstract"><div class="htmlview paragraph">THIS paper presents observations of 25,000 hr of testing on five free-piston engines. Endurance test investigations were made especially on the operation of free-piston-engine air compressors and gasifiers.</div><div class="htmlview paragraph">As a result of the data obtained, basic parts of these engines were redesigned for better performance, power, economy, and reliability.</div></div>