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Old 08-27-2009, 06:51 AM
  #1  
Fork Horn
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OK Bow and arrow gurus...
I use a Real Tree MFX 400 with a draw weight of 55 lbs. My arrows from nock to cut end of arrow is 28" with the broadhead 29 1/4" Right now the arrow weight is about 405 grains.

I have a 8.5% front of center using a G5 Montec 100 grain broadhead. Last night I added 100 grains to the broadhead and the FOC went up to 15.3%.

If I change to 125 grain can I don't think I can expect much difference?

I am considering a change to a Magnus Snuffer 150 grain or a 170 grain. I don't want to go over 15% and ideally around 13.5% - 14%. Which do you think I should go with... the 150 or the 170? Also, increasing broadhead weight - do I have to be concerned w/ the spine of the arrow. It has a .003 =/- rating.
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Old 08-27-2009, 07:01 AM
  #2  
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Originally Posted by nybuckboy
OK Bow and arrow gurus...
I use a Real Tree MFX 400 with a draw weight of 55 lbs. My arrows from nock to cut end of arrow is 28" with the broadhead 29 1/4" Right now the arrow weight is about 405 grains.

I have a 8.5% front of center using a G5 Montec 100 grain broadhead. Last night I added 100 grains to the broadhead and the FOC went up to 15.3%.

If I change to 125 grain can I don't think I can expect much difference?

I am considering a change to a Magnus Snuffer 150 grain or a 170 grain. I don't want to go over 15% and ideally around 13.5% - 14%. Which do you think I should go with... the 150 or the 170? Also, increasing broadhead weight - do I have to be concerned w/ the spine of the arrow. It has a .003 =/- rating.
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Your spine requirements will change. I shoot 220 gr. with 21% FOC 543 total arrow weight using 340 spine. for competition I use 100 gr. glue in tips and shoot 400 spine arrows. With just about the same set up as you shoot.
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