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Life throws some crazy stuff at you sometimes. We posted some progress photos of our engine on our facebook group, and the owner a very reputable race car transmission manufacturer saw the quality of my brother's work, and he has offered Andrew a job in the U.K. He is emigrating this Saturday...

Simbi. We live in South Africa.

There is a cam calculator spreadsheet on the MEB members website that you could use to plug your estimates into and see how they work out before you cut metal. I used it to refine the V12 cam profiles.

This week’s progress.

Quite an achievement! Can’t wait for the first run video

Thanks Nick . It will fly, in a 50cc Stick at first till we get the bugs worked out, and we will see where to after that. Hopefully a WW2 allied fighter of some sort.

Now this is getting exciting. The gent in the photo is Colin, one of our generous supporters.

We are using Autocad .

Really looking good. Can’t wait to see the video of the first run!

In our local indigenous language, the word for metal or steel is Simbi. My brother Andrew’s nickname is Professor Simbi, and the latest cylinder head photo shows why he’s called that!

Hey Greg!! One of our generous friends.

Thanks for the kind words Gents. I do have a home converted CNC mill, but all this work was done by my brother Andrew at work. (He's the new member Andrew Routledge that just liked the thread) He consults as a tool and die maker for 3 machine shops. The owners have been VERY generous with their...

Some progress has been made on the cylinder heads in the last week. The observant will see that I got all excited and machined the cam center too low, so there is not enough room for the valves! Check twice, cut once as they say. Revision 1 being done this weekend thanks to my ever patient brother.

Thanks gents. It was CNC machined, but due to time constraints I haven't touched it in years. Busy clearing away some domestic chores and I will get back into it. I'll keep the thread alive when I get something done.

Your work is an inspiration mate. Beautiful.

Rich Fantastic effort on the engine mate! Well done. That problem you mention with the mixture screw unscrewing itself rings my alarm bells. If the screw does not seal properly in the carb spraybar thread, you are losing the vacuum signal generated by the airflow that will draw your fuel into...

Beautiful work Vince. You can be proud of her!!

Beautiful work mate!! Can't wait for the video of the maiden run.

An own design , air cooled V12, with a propellor speed reduction gearbox and supercharger. The conrod is the first one. Needs different bolts, and both ends still need reaming. The bright yellow cylinder heads are 3D prints, in order to check dimensions etc before cutting metal.