RE: 25 size bipe
The LA would be borderline on that plane, but the warning is that it is not for a low time pilot. The little Ultimate is a full tilt adrenaline machine for aerobatics.[8D] I had flown mine with a Saito .45 then a .50 and finally a .56. It was a blast on the .56 and the roll rate was measured in RPMs!
quint