Pe, got a question for you. I'm running the mvvs58i in a WildHare 28%Edge540T at the moment. I'm using an approximately 10-12" header into a 2.75" x 16" JMB can, meant for a zdz80rv. I only have 4 litres through the engine an am very happy with all aspects of this engine. I went from a 24x10 to a 22x10 prop on this plane, both Zinger Pro props or the like. The fully fueled weight is 20 lbs. and it has very good vertical performance. I often do uplines and pull outs on much less than full throttle, then when applying full throttle you can hear the prop starting to bark. I would like to get a 2.6m Composite Arf Extra, and it looks like the RTF weight will be in the 24 lbs area. I know you guys have been running this engine over in Europe for some time, and I think somebody is flying it in a 26 lbs plane there. According to your experience, what is the best set up for that engine for 3D (shorter header?) and how does it perform in the tests and planes you've seen? I am looking for low wing loading, precise and honest plane, pull out power, upline snaps, but not gut wrenching water falls.
DKjens