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Tests of oil scraper piston ring and piston fitted with oil drain holes (1922)
NASA Technical Reports Server (NTRS) · leaf 12
Revolutions per minute = H. 1 hour run8 {m - 30 min. runs T© ~ o = 1 hour « Production rings ^ = 5 » " Oil cons^tion ratio = goraper ring oil consumption. * Production ring oil consumption Flo-.?. Oil conception .;i th oil scraper piston rings and production piston tings,NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.
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