|
Post by oldfarmsblueman on Jun 2, 2008 6:09:26 GMT -5
I'm looking to try some new arrows.I have been using Beman 500 @ 7.3 gpi.I like them,they shoot good but I have nothing to compare them to.I look at the spine charts and they make me NUTS .I will be 48-50 # at 26".The Goldtip chart with 85 gr puts me at 600??? and with 100 gr. just in the last block???.I am still thinking 3555's!The next thing is GPI.It seems you can get a 3555 in different gpi's. Where do you draw the line between SPEED and WEIGHT?there has to be a point where you cross over and start to loose somthing?I can't find a Bemam chart, they ask you questons like cam type arrow lanth and draw wt. then give you a list of there arrows. It seems that each maker has there own way of makeing you nuts over the same thing ARROW SPINE.
|
|
SPIKER
Site Guru
THE REAPER'S WRENCH
Made In America
Posts: 4,777
|
Post by SPIKER on Jun 2, 2008 9:55:30 GMT -5
|
|
|
Post by mtshooter on Jun 2, 2008 15:51:01 GMT -5
When I used GT's I shot the 3555's and they worked great for me. 24 1/2" and I was shooting 50 to 52 pounds and 100 gr tips.
|
|
|
Post by BT on Jun 3, 2008 5:57:47 GMT -5
Of course I am going to recommend the PSE weave or CX shafts and in a 200 spine @ 26" That said....I personally would get the 100 series and tune to them. With a modern compound there is little advantage at all in giving up speed for weight. In turn, when you gain weight you lose speed and open up the window due to trajectory. The penetration gains in a 150 grain addition (for example) might equate to an extra 1" of penetration in a backing such as a target backstop. Meanwhile....you have lost flat flight and opened the drop window perhaps 5 inches at 25 yards. Just something to keep in mind
|
|
|
Post by Doegirl on Jun 3, 2008 8:01:51 GMT -5
Of course I am going to recommend the PSE weave or CX shafts and in a 200 spine @ 26" That said....I personally would get the 100 series and tune to them. quote] That's what I'm doing. At 25-26", the maximas and pse's will be plenty stiff at that length. Your broadheads will let you know if the spine is off.
|
|