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Fantastic engine! Well done! Thm:Thm:Thm: Thanks for sharing.

Does anybody even care??? I guess I can save myself the trouble of posting anything as there seems to be no interest in our project! This forum always seemed very open and welcoming to all people and skill levels. I must have missed the mark... There are not going to be any future posts, my...

The SAM twins... Enjoy! http://www.youtube.com/watch?v=CqjVbe5BkX0 http://www.youtube.com/watch?v=NQSuSw0MnkA

The governor is finished and working... :) The only thing left to do, is a few bits and pieces (like the crank case plugs) and we'll be finished.

Hello everyone, The work on SAM continues... We are now working on the governor mechanism, and to put the finishing touches on the engines... The plan is to have it run in hit & miss "mode" by tomorrow... :) Here a couple pictures of the flywheel being machined and the finished product. The...

petertha, The set screw on the lap is to expand it. There is no taper at all, it is as cylindrical as possible. The cylinder liner and the piston are both made out of cast iron. Yogi

IT'S ALIVE!!!! After just little more than a week of serious machining, we are proud to announce SAM's first pop! ;D ;D ;D Enjoy! http://www.youtube.com/watch?v=JoGc7Io-qXc

petertha, The lap is made out of aluminum. We took a round piece of stock and made a cut to make it expandable. It is a simple lap, and it worked well for us. We will experiment with different materials in future projects, and see what we can learn... As for the lapping compound, I have to...

and a short machining video... http://www.youtube.com/watch?v=aXBDfWLDByI

Couple more pictures...

Hello everyone, Another day, another dollar... or in our case some more parts... ;D Finished more parts today, and started to assemble the engines. There is still plenty of work to do, but we are getting closer for the first start attempt. Enjoy!

Here is a short video to show the fit of the piston in the cylinder. We lapped the cylinder to a very close tolerance. The piston is made 0.01mm (0.0004") smaller then the bore. Thanks to all the die hard forum users (Pete, Steve, George and Mike) for all the encouraging words...

More progress today, we are down to the small (and lots of 'em) bits and piece... Especially the rocker arms are a lot of work, and as my brother puts it a pain in the a&$ 8) (it will be worth it though) Getting close to start with the assembly. Today was day 7 of the the project and about...

More parts...

More work in progress...

Working on the flywheel Turning the taper

Some more pictures of our progress... We had a good day today, and got a lot done. Let me start with pictures of the cylinder head. I'm not going into detail how we produce the parts, instead I'll post lots of pictures. Let me know if you guys have any questions. I'll be more than happy to...

Finished the cylinder today.

Cylinder...

Crankcase...