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Motore Lancia-Junkers tipo 89 - Lancia Ro
1932 - 1938



38

Description

At the beginning of the 1930s Lancia acquired the production license of a particular Diesel engine developed by Junkers, for a truck. This engines features an original and very fine arrangement of the piston-crankshaft mechanism, strictly derived from that of the Junkers aircraft engines (such as the Jumo 205 et al.), with two counter-swinging pistons in each cylinder.


Technical specifications

ManufacturerLancia (under license of Junkers), Turin, Italy, from 1932 to 1938
Type89 (Lancia-Junkers)
Description2-inline cylinder two-stroke Diesel engine, with two counter-swinging pistons in each cylinder, crankcase and engine block made of aluminium alloy, with steel-made cylinder liners
Stroke100 mm (upper pistons), 150 mm (lower piston)
Bore90 mm
Displacement3180 cm³
Power64 hp at 1500 rpm
Specific power20.1 hp/litre
Valvetrain systemautomatic intake valves
Fuel feeding systemwith two in-cylinder injectors supplied by a 2-cylinder reciprocating Diesel fuel pump, with a max. injection pressure of 500 bar
Cooling systemliquid-fed by a centrifugal pump
Lubrication systemforced by a gear pump


Application

Lancia Ro truck

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Realizzazione sito: Pasquale Pillitteri