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Here is nothing difficulty to machine the conrod. LeZap

Here's my finished project Regards LeZap http://www.homemodelenginemachinist.com/showthread.php?t=25803

Hi Kadora, Pins are beat with hammer + hard Loctite. Regards LeZAp

Now, construction of the crankshaft. It's a 34CrNiMo6V hard allied steel. Assembled by thermal expansion. Final fit with plug LeZap

measurement of the job. The two paralel axle (5mm) are the future position of gearbox forks. LeZap

Check of the orthogonality of the milling machine spindle. Old fashion system is the best one. Caliper & steel axle. Default calibration of the DRO and zero setting of X & Y axle is very important in this case No any error are allowed because the 7 followed axle position depend of the good...

Yes, it's coming from Italy. But I expend there is no advertising on the site ? Engine is a long stroke 28x42mm= 26cc engine. Next picture are the machining of the cylinder. Nothing complicate here LeZap

The first step was the machining of the gearbox. But this masterpiece is also the frame of the tractor. LeZap

Dear all, I will present to you a working model of a Landini 1934 based on a kit (drawings + castings) 2 stroke engine, clutch, 3 speed gearbox + rear Brake, differential, water radiator cooling, etc... Regards LeZap

Hi John, i'm alsoo busy with the V12 Merlin. But I don't see (or understand) witch the link between cranckshaft and supercharger gear. LeZap

And last but not least: the VIDEO of running tractor. See you later with other projects:fan: Cheers LeZap https://www.youtube.com/watch?v=bwIfZedxdaY

other detailled views LeZap

Like I said: "the devil is in the détails" Cheers LeZap

Somes other view of the finished tractor LeZap

Other different views. LZ

Fuel injector on the top of the cylinder-head Water cooling piping Exhaust system and a home-made pipe binder LeZap

And now the fuel filter and gate valve. LeZap

rear trailer attachment. LeZap

Some différents views... LZ

Some finished views LeZap