I've just done a clean install to do some testing in the beta branch 0.11.7767
I founded a ship, a stick size 2x2x10 made of Iron Stone, this gives it some mass
mass = 8.16kt
now I stick a 2x2x2 cube of standard thrusters on the front and see what difference Material makes to the thruster.
Let's start with break thrust, all pretty much the same, only difference is Trinium and it's minor
Yaw/Pitch scales directly with Mass. (I'll come back to this)
Energy require is a direct scale with material
Looking at this we can say a couple of things
1- Material has no effect on thruster force, this is shown
2- Position/Distance from the centre of mass has an effect of the Yaw/Pitch remembering to take into account the mass of the thruster, this is shown as break thrust remains constant while Yaw/Pitch changes with mass.
The Yaw/Pitch changes as the mass of the thruster shifts the centre of mass, shown by adding mass to the other end of the stick to equal out the total mass causes the Yaw/Pitch numbers to flatten out.
3- The best material for Thrusters vs manoeuvrability is Trinium, because it has the lowest mass, Xanium is a very close 2nd, it maybe 1st, for the reason of lower power draw which means less energy to support them that in turn means less total mass. Avorion is 3rd, while titanium is lighter the lower power draw puts Avorion is solid 3rd
For everyone building ships I say this, Mass and Position over material when building thrusters