Ok, so my Ultimate was a tad underpowered with the leafblower 25cc (they are 25cc by the way). And, yes, your 32cc did have unlimited vertical, but very very very limited down vertical Ok, sorry to tease you (by the way, if anyone is interested I have pictures of the recovery of the Sukoi, lol. The conversion of the WeedEater (poulan makes these by the way) is so simple even I can do it. Took a couple of hours max. (helps to have all the conversion parts handy) You will need a prop spacer, prop nut, some type of back plate to bolt onto the engine for mounting ( I used a piece of 1/2 inch 9 ply baltic birch plywood). Pull the red throttle arm off and remove the black plastic clicker, that will free up the throttle for full swing. Grind down the red throttle are until you can drill it for a servo attatchment (or buy a bolt on arm for the throttle shaft tossing the red arm away). You will also want to grind off all the extra casing from the motor. Dont take to much off the mag attatchment arm. I cracked mine on an inverted landing.......ok, someone told me to do an inverted wormburner..........I did.........sorta. If you have more detailed questions just drop me a line or Lee2wings. He has converted more of them than I, as a matter of fact he has burned up more of them than I......well, I did help burn up that one. But mine is still running great If you want, I can take some pictures of mine for you, or better yet, I will take some pictures of Lee2wings's (can you put an apostrophy behind a plural?) He has several..........dozen........conversion sitting around :P
My 25cc now graces the nose of a Balsa USA Eindecker 80", where it flys the plane so scale ( euphemism for slow) that you want to duck out of the way of the bullets when Boelcke makes a low pass. (Boelcke, check your history books)