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This was the very first start , after that run i discover a bad Head gasket on one cylinder , after change with a new one all goes OK ...

And this is the short video

Some photos

Others pics

These are the 3D pics

Good morning everyone. Here is a project of a twin engine that I built a few years ago using COX 049 cylinders-heads-pistons. I tried to make things as simple as possible but at the same time also take beauty into account. No particular invention, the coupling system is widely used, the engine...

Thanks Franklin!

Hello Jos ! Yes, I am about 10 km away from the famous OPS factory. Unfortunately the old OPS has been closed for a few years now but Gualtiero Picco's sons have built another one (Picco motori). Now they don't just do engines but also precision mechanical machining for third parties. I had time...

Thanks Buzzer it would be nice, I've tried several times controlline but unfortunately for my dizzy ! Last year in October I was in the UK on the Buckminster track for the closing event of the tethercars.... a fabulous place indeed!

Not this one 1.5 cc , unfortunatlyI am not capable of flying a radio-controlled or control line model airplane . But I flew another engine ( a 2.5 cc) on one of my control line model , but it was driven by a friend .

You're right Bazzer, I've attached some photos and a little video !

And the last 2D drawings ....

Other 2D building drawings .....

And these are the 2D building drawings in metric ...

Hello ! I would like to show you the construction drawings of a scooter that I built years ago. This is a 1.5 cc glow ignition model aircraft engine completely obtained without castings. My prototype easily spins a 6x3.5 prop at around 15000 rpm. I hope it stimulates someone to build another...

Thanks Pat ! I'm glad you like them, up to now I've only built 2-strokes, sooner or later I'll try with a 4-stroke

Hello Sirs, ,Let le introduce myself, My name is Franco and I live in Italy near the city of Monza. I am a mechanical designer and I draw using CAD CATIA dassault system. I have a very small room where I have installed a Myford S7 lathe and a small vertical mill. To date I have built small...