thanks guys, i am shooting a newer parker (05 model) am shooting around 290 fps or so, have always been shooting a 125 graing (31 inch draw, carbon arrow's) but wanted to buy some mechanical broadheads that had a large cutting diameter, but most makers only make the larger sizes in 100 grain... so i got some practic tips with 100 grain and shot them and they seem to be faster, but other than that i couldn't see any real differences.....
thanks for the advice guys...since i only shoot blacktails and maybe a black bear i think the 100's for now will be fine...
josh