I logged 8 flights on my roo last weekend. This is my first jet (roo) and it has the p120 on it. Man...what an engine!!! Guys at the field were totally shocked to see the ease of use and reliability of this engine. I did not even bother to use the GSU more than once, as it would start perfectly each time. No wet starts, no flame outs, no nothing. Everything was so spot ON. I could hear the pop within the first 5 seconds EACH time. I am using regular cooking gas (LPG), which is 60% butane. I am totally amazed and impressed. These engines have really made jet flying a pleasure. I am so glad I decided to get the p120. I hope the other jetcat engines are as reliable as the p120. My next one shld probably be the p70.

A very happy jetcat owner....