Heres a pic of my 28cc stihl[27.2] actual.Nice thing about it i can rail mount it or flush mount it stock as the way it came out of trimmer.Right now i have a WA200 on it wich has an 11.13 venturi.Im running an APC17x8 and im getting around 7400 rpms.Its basicly running like my OS160 did before i sold it [the apc prop came off of the 160].Weighs 3-1/2 lbs RTF with prop and[ch] ign.[without battery].Im putting mine in a scratch built cap 232,ws73",should weigh about 9-10 lbs at a guess.Wing loading will be about 24ozs square foot.