here is the first run on my Evo 7-77, the sound quality is very poor on my smart phone, but I ran 2 tanks of fuel through, 320z. tank size and was running it on the rich side did not touch the low end yet, this is my airplane hauler (snowmobile trailer) that way I don`t have to take the planes apart, but it ran 1,800 on Idle and 5,100 to 5,300 rpms w.o.t. on a 24x10 2 blade prop, they ran it at the factory with a 24x8 at 5,500rpm, the Stearman came out at 31.8lbs. I hope to maiden it this weekend after a few more tanks of fuel, the corsair at the Toledo Expo from Horizon Hobby display the owner said after three or so tanks of fuel and adjustments He now has just under 100 flights and said the engine seems to be getting stronger and running really nice, so that was encouraging, so hope I can get the same results with my 7-77 and my 9-99. also, so far the exhaust ring is holding up very good, so will post the flight video soon.
http://youtu.be/RIyASyvb8JU