Update on the steering:
I have replicated the TRF201 steering arms and tried to come up with a compact steering system at the front. I'm still not sure whether it will be the servo or the battery to be fitted between the steering arms, but either way the idea should work well. I hope the maximum deflection/steering lock of the DB01 uprights is enough for a tight cornering car.
The geometry is ok in terms of the Ackermann angle: At the steering lock the angle is slightly bigger than needed for the 'ideal' angle of Mr.Ackermann's theory (in which the two lines coming from the front axles cross at the axis resembling the rear wheels). I read a bigger Ackermann angle would lead to predictable, unagressive steering behaviour: Something that should suit the consistency and smooth driving style needed for driving an FF quickly. However, I also need to keep in mind that a bigger Ackermann angle may reduce the amount of steering I have.
There's a couple of issues I still need to solve:
1. Decrease the massive amount of bump steer when the outside of the suspension arm pivots below the horizontal point. (Above that point the bump steer is minimal)
2. How to build the front end around the steering geometry I developed