ORIGINAL: natimage
May I ask where you find the Oz that tells you this? Is it a computer program I could get? What does it run? My issue is that I want speed so I want to keep my tips to 100gr if possible and the broadheads I want to shoot are 100gr.
My program is my brain and experience

I charge $1000 per hour. I prefer PayPal [8D]
If you want to keep your speed up, look into a CX 250 series shaft- a bit stiffer than the GT 35/55 and still lightweight in most of the diff types. At your lighter poundage and going with very light weight arrows I'd be real careful about choosing broadheads.