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Hi guys. There seems to be a few dimensions missing on the crank shaft drawing (diameters), does anyone have any idea what they are? One dimension cannot be read also (distance of offset). Do we just match up where they go? Is there a tolerance? How does the conrod connect to the cam shaft...

I could probably do the crank and the cam and of course some other parts, CNC would get those perfect. There are no diameter measurements on the crank.

Where can I get a copy of the plans?

I have made a two cylinder air rotary valve motor and the biggest problem I had was the leakage between the cylinders blowing past the rotary valve. Mine was all made on CNC so precision was very good, I sorted mine out by putting O rings on the rotary shaft in between the cylinders. How are you...

Count me in for an IC engine. Does anyone have a set of plans?

Yeah guys count me in. I like the idea of an ic inline. CNC machinery is what I have to offer. I was part of the radial team build and it was quite successful but a little expensive posting all over the world so would be great to get involved with something local.

A couple of pics with the mount I made.

Wow, what an honour. Thanks to everyone who participated in this build. I will post some pics of my finished assembled motor with a different mount to ottoboni.

The solidoodle still looks better value for money. $550 and you get everything, it has also been tested. It actually sounds to good to be true and that is why I was asking the question if anyone here has had any dealings with this model...

Anyone had any dealings with this model 3d printer? For $550 bucks would be a good start to learn on. http://store.solidoodle.com/index.php?route=product/product&product_id=56

There has been a fair bit of bad luck during this build. RIP Pascal.

Has everyone received their crank cases yet? I am still waiting. Does anybody know what is happening to the bases? Are we making those ourselves.

Mine doesn't have combustion chambers as such, just holes that match up to the intake and separate holes that match up to the exhaust.

My cam shaft has a head at one end to stop it coming out. I scribed a line at the end of the cam shaft to help with the timing. My cam shaft is also brass, make sure you lube it up very well before running, mine almost seized after running the motor the first time properly. Are those flats on...

Yeah I would say the same. Interested to see how yours runs when finished. Something I also found was it needed a fairly heavy fly wheel for it to run continuously. I didn't put bearings in the head for the cam shaft but I did put bearings in for the crank shaft. Did you fit bearings for the...

Looks very nice. I made one last year, not sure if you seen the post here. http://www.homemodelenginemachinist.com/index.php?topic=14879.0 As stated in the post I had trouble with the ports bleeding into each other but sorted it out with o-rings. I still get people asking me about this motor...

I also need cylinders.

Here in Australia, Melbourne, CNC setters/programmers are getting anything between AU$25 an hour to over AU$40 an hour if you are in a supervisory roll. There is a massive shortage of setters/machinists in this country on the whole. I blame the machine shops, most apprentices here get used as...

Yeah sounds good to me.

Maverick- Received your parts today, very nice. Chris- Your other crank set for the auction model will be in the post tomorrow. Mike Ross- Your crank set will also be posted tomorrow. I am also not fussed about getting a cosmetically challenged part, if everything fits and it works then that...