You see, RA2 does not make any sense in any way possible, so you cannot connect more than 7 components in a row. For this setup for example, you'll need to find a way to make it only an anchor and extender before the motor.
A few more things before you get even farther, don't use pinks on anything heavier than a Beetleweight(175kg). They simple are not worth the weight. 2 pinks is approximately half the power of a nifty for the same weight. Same goes for red birds. They really shouldn't be used at all unless your looking for a tiny bit more drive power at Middleweight and below.