A Very Small (1.6 CID) DI Diesel Engine

A fuel economy of 3,508 mpg was achieved at an average velocity of 10.5 mph with a specially-designed three-wheeled vehicle powered by a one-cylinder DI Diesel engine, the characteristics of which are as follows: Bore/stroke--32/32 mm; Displacement--25.7 cc; Compression ratio--20:1; Torque--0.8 Nm; Speed range--1500-3000 rpm; Power output--200 W; Fuel consumption--450 g/kWh; Injection pump--5-mm plunger; Nozzle--4 50-microm holes; Injection pressure--350 bar; Fuel delivery--0.5-1.2 mg/stroke; Injection timing--Fixed; Swirl generation--Deflector on inlet v.; Combustion chamber--Heron; Piston rings--3; Bearings--Ball only; Flywheel--4.6 kg and clutch to crank; Flywheel clutch--Cork-aluminum; Starting clutch--Cork-aluminum.