Quasiturbine

Learned about a new engine today. It is called the quasiturbine and sounds like it could revolutionize engines.














This is a real neat site that talks about how it works:



http://auto.howstuffworks.com/quasiturbine.htm

It also looks like building a stirling engine using this engine would also be a significant advance.















http://www.quasiturbine.com/QTStirling.html

How hard would it be to build something like this? Perhaps I should build something more simple like the following.