Speedy,
Probabley not many answers as the FMS has made life so much easier we have all forgotten some of these basics. No problem with that either as we just don't need to work it out anymore. But from my previous life I think I used this;
Ground speed in nm/min was your radius at 30deg AOB, so for your example of 180kts ground speed (3nm per min) anticipate the arc by 3nm)
For anticipating the radial from an arc, the 1 in 60 rule works. So for 3nm turn radius use this: 3x60/ARC in degrees. So for a 15 mile arc the lead at 180ground speed (3 nm/min) would be 3x60/15= 12deg
This should work regardless if you are in a jet or a hangglider.....as long as the AOB is 30 deg.
As for the best config and speed on the arc that would be one for a 737 driver.
Now my brain hurts.....
FSM