Remember what I said---Trying to keep the best of both worlds. Jims right the 4 link is better for launch. I did leave the parallel bar but modified it. With the set up I built you can either have the 4 link lead or the 3 link lead, myself, I like Drag Racing.
What State are you guys in. I'm in California. Maybe in about a year (if I have the rocket finished.) we can get toge
ther.