[chrisfl]

Originally Posted by PAR_WIG1350

Now, what would it take to get the motors inside the tube? They are fairly high on the list of components that get in the way, so that should be a priority. (2.5" motors fit in 2" tubes, right?)

1.25*sin(x)=1
sin(x)=0.8
x=arcsin(0.8)
L=1-1.25cos(x)    //maximum length of remaining material (in inches), measured from
L=0.25            //edge of tube, assuming motor is centered

(Yes, they technically do.)

If you are really ambitious, I bet a few talons could fit in there too! Maybe an accumulator even.