With bare-shafts missing at 40yards I knew I needed to do some tuning at some point. I decided to leave it until after the my first forays into competition with the GDB Windsor. My reasoning being I didn't want to mess around and screw things up, as I was doing quite well.
So yesterday I began to follow the tuning method Marcus outlined, which is pretty much becoming to be universally known as "
Tuning for Numpties" for me
. Cheers Marcus! As a scientist/engineer the method and reasoning behind it make perfect sense to me.
Well I setup a 122 target at 20yards, shot a group of 3 fletched, nice and tight. Shot a bare shaft. It was very low and left in the one-ring at 8 o'clock.
So I realised my nocking point was way off, got that sorted and then began to wind up the poundage to bring the bare-shaft into the group, reshooting group and bare-shaft all the time. I'd also changed from Dacron to fastflight, putting a little more energy into the arrow.
When I got to the completely wound in stage I'd move the bare-shaft to the border between blue and red, better but not perfect, shaft still too stiff for the bow, or bow not powerful enough for the shaft to look at it the other way.
So:
Question 1: Will changing my 70gn points to something heavier get me any closer. As I understand it that should weaken the dynamic spine?
Question 2: Or should I, as I'm on a free limb exchange program, swap my 28# limbs for 30# and get the bow's power a closer match to the arrows' spine.
Question 3: On another note, how do I get the points out of me ACCs?
Question 4: Will swapping brass nocking points for some tied on floss increase the energy going into the arrow by a discernible amount?