THE 80 h.p. seven-cylinder Pobjoy “R” engine, fitted as standard to the twin-engined Monospar monoplane, is of the radial air-cooled, geared, dry sump type. The cylinder bore is 77 mm. (31/32 in.) with a stroke of 87 mm. (3 27/24 in.), the total volume being 2,835 cu. cm. The power at normal revolutions, 3,000 r.p.m., is 75 rated and 77–79 actual b.h.p., while at the maximum of 3,300 r.p.m. it develops 85 b.h.p. The weight, complete with airscrew hub, is 135–140 lb. At normal horse-power the power-weight ratio is, therefore, 1·87 lb./h.p. At full throttle the fuel consumption is 0·62 pints/b.h.p., or 6 gallons per hour; the oil consumption being 1¼ pints per hour.


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    Titel :

    A Light-Weight Radial Engine


    Untertitel :

    Some Particulars of the 80 h.p. Seven Cylinder Pobjoy Air-Cooled Radial



    Erscheinungsdatum :

    01.07.1932


    Format / Umfang :

    1 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



    Light-weight radial engine

    Engineering Index Backfile | 1932


    Light-weight radial engine

    Engineering Index Backfile | 1932


    Light-weight radial engine

    Engineering Index Backfile | 1932


    Light-weight radial engine

    Engineering Index Backfile | 1932


    A Radial Engine for Light Aircraft

    Handasyde, G.H. | Emerald Group Publishing | 1932