As a comparison if using the Excalibur flat front nock,110gr. brass insert and 100gr. broadhead the weight is 459.5gr.
The combination of the Excalibur factory aluminum insert, Nufletch Ignitor lighted nock at 39gr., and 100gr. broadhead weighs in at 394.5gr.
Using my best efforts my estimated FOC is around 16 using the Nufletch Ignitor lighted nock at 39gr.,100gr. broadhead and 110gr. brass insert .
Using this diagram my measurements were:
Balance Point 9"
A- 13.58"
L- 20.5"
![Image](https://i.imgur.com/OdDgdum.jpg)
Sound close?? I think I am where I need to be.
Bill