I was used to .29s and .35s in my Ringmasters and Streaks and thought that the .19 was gonna' be wimpy!. WRONG!.... I was a kid and built "heavy" and really didn't know what sandpaper was for but when I flew this K&B .19 powered Flite Streak... expertly built/ finished/ balanced by a seasoned expert( old 19 year old guy), I became the club "STUNT MASTER".... Low wing loadings RULE!! That experience has helped all of my subsequent planes