i don't know the configuration of a venture head but you will have to adjust one of the ball links to make the blade pitch equal. just as important, you should have a linear pitch curve in your radio (0,25,50,75,100) when you start, and set your pitch at midstick to whatever you plan to use in flight--either 0 degrees for hovering at 3/4 or 5-6 degrees for hovering at midstick. then adjust the blades so they're equal at your selected pitch and go into your curve to adjust the endpoints.