i’m really not blowing up, just commenting. Lets put it this way, internal combution piston engines have been around since the 1840’s or so, that would give them 165 or so years of existence, right? That is a lot of time to work out the kinks and get them to the point they are today, reliable, inexpensive and relitively fuel efficient. The rotary engine had been around since the mid 1950’s which would equate to about 50 years of existance and time to test and develope,…see where i’m going here??