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Impressive stuff considering the complexity of this engine :) http://www.youtube.com/watch?v=-DijdisWkAE

I can experiment with it and replicate the exact same conditions every time if i use a CNC mill. The forces involved with doing this on small parts will not brake the mill i belive. It will be worth it if i can do it. Guess it will by trial and error. How can i do the destructive testing...

Does anyone have experience with this kind of welding on small parts? I need valves with very slender and long valvestems. The idea is to buy grinded rod that is the correct dimension and frictionweld it to a little slab (that would become the "business" end of the valve) that i later can put...

Very helpful, guys :) My understanding is now alot better of this problem. Guess i would have to crack open the book full of formulas so i can find out how i can attack this.

How do I decide how big springtension the valvesprings should have? In this case it is a 13mm intake valve so It's not so small compared to modelengine standards. How about the lift? The cylinder is 30mm in diameter and about the same stroke. I was thinking 2,5mm on both exhaust and intake (no...

The W-engine is a very complex engine in so many ways, but everything can be done in months.. or years... or decades.. :) The W8, W10, W12 and W16 has four valve technology and if you try to draw this engine in a 3D environment (inventor, solidworks, ironcad etc) you will soon find out that you...