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Nova-1 4.5cc model diesel engine build by OMK

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A video of the Nova1 model diesel engine build. I built the engine during MarchMay 2021 from the Jef Lemmens Plans and castings. Video is quite long but it has some running of the engine in the beginning for the interested and at the end there is a lot of pictures and short clips of some technical details that some of you might find interesting. Ports, insides, machining etc. Hope you enjoy it! Regards OlliMatti

Nova1 4.5cc (0.275 cu in) side port model diesel engine (compression ignition).
Original design in 1943 by a Dutchman I. J. v. Leeuwon
Plan reviewed and modified by Jef Lemmens from Belgium, also aluminium castings received from Jef
Bore 16mm stroke 22mm
Materials used: crankcase and cylinder top: cast aluminium, Crankshaft: 10.9 HT bolt M22x1,5, Cylinder: 40mm diameter 42CrMo4 chrome steel bar, Conrod: EN1A steel
14.2x7 propeller

Some hardening, tempering, quenching, lapping, honing and polishing also took place :)

posted by puzle47