Mechanical inlets. | | Forced lubrication. | _Features._-- | | | | Two pistons per cylinder. | | Ball bearings throughout. | | | | [Illustration: _Dirigible engine._] | | There is also a vertical 160 h.p. dirigible engine.| | | | | | | | | | | ----------------------------------------------------+----------------------------------------------------+ ~SWISS.~ +---------------------------------------------------- | <b>OERLIKON.</b> |Societe Oerlikon Suisse de Machines Outils, Oerlikon. | +---------------------------------------------------- | 55 h.p., 4 cyl., 100x200 (1200 r.p.m.) 176 lbs. | | Horizontal opposed, water-cooled (pump). | | H.T. magneto (2 circuits for 2 sets of plugs). | Mechanical inlets. | Forced lubrication. | | <i>Features.</i>-- | | Steel cylinders (copper jackets). | Single cylinders. | Overhead valves. | Single cam shaft. | 2 carburetters (one for each pair of cylinders). | Crank shaft, solid, on ball bearings. | Open crank case. | | [Illustration] | +---------------------------------------------------- ~U.S.A.~