.20 12" shot string with BN valve

here is a 50 shot shot string with 12″ .20 BN valve 90g hammer power wheel removed and delrin spacer used that puts 0 preload on the spring that comes with the valve.if anyone wants a copy of the spreadsheet i used pm me and i can e-mail it to yo everything in yellow needs to be entered everything else will auto populate including the graph,more or less shots can also be used i will also update the spreadsheet to include standard deviation as well as a 2nd and 3rd gun if i already e-mailed it to you i will re-send it when i change it around