New Valve for Aircraft Engine English Inventioe
BUEY. — Claiming exceptional acceleration, bigb maximum speeds, and surprisingly low petrol ' cOnsumption, a re- | volutio'nary internal' combustion engine witb a new typc of valve mecbanism bas been invented by Mr P. M. Aspin, young Lancasbiro engineer. Production of tbe engine. (wbicb bas been patented throughout tbe world) j for use in aircraft bas commenced in tbe Egyptian Mills bere. . ' .Tbe engine bas a.compression ratio of j li'to 1 instead of- tbe normal ratio of 6 to 1. In spite of this, standard fuel is J used and it is claimed tbe engine will not "pink". . • " ' i Tbe average weigbt of an ordinary engine of similar 1 capacity is 75 to 8C pounds, but tbis engine weighs' only 48 pounds. . ; There are no valves of the conventional type — -poppet, sleeve, or rotary — incorporated in tbe engine, and tbe mechanism wbicb has been substituted takes, it is saidj no more power to drive tban does a magneto. Witb automatic c'ompensation for' wear an^d hcat' tbe ■ /
mechanism will outlive more ' than one engine. . Gojnplete combustion of tbe fue), ideal conditions for combustion and complete scavenging of the burnt gasses are said to be, .the . secrets of. the - exceptional pOwer. associated witb this motor.
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https://paperspast.natlib.govt.nz/newspapers/HBHETR19370522.2.143
Bibliographic details
Hawke's Bay Herald-Tribune, Issue 107, 22 May 1937, Page 18
Word Count
207New Valve for Aircraft Engine English Inventioe Hawke's Bay Herald-Tribune, Issue 107, 22 May 1937, Page 18
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