not sure if any of you have seen this yet but i thought id post it for those who havent.

http://www.youtube.com/watch?v=dT8wT...ature=youtu.be

 

Sounds piston-ish

 

awesome.

 

Neat. Who built it?

 

have a look in the first page of Old School and Other Rotary section ..... thread started by Yellowcat . 12 rotor engine No surprise , Its the one with 32,000 views and counting . Interesting to read from beginning listening to all the non believers early in the thread