The Duke Axial engine

Very interesting design. I'm curious though as to how they seal the combustion chambers. Will it suffer the same ills as Mazdas apex sealed rotaries?

http://youtu.be/c19kn3drdFU

Here it is in action, very smooth for sure.

http://youtu.be/cTpPBiReaZk

I think I'm more impressed with the so-called "liquid piston" engine, look it up.

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Interesting concept, reminds me of the 2-cycle Rotary Vee engine.

Winder if you can get 1100 BHP out of it as easily as you can a 13B Mazda.