FOC %

iccyman001

New member
Apr 30, 2014
5,489
Im sitting here trying to figure out if I want to go 100 gr or 125 gr for my broadheads this year.
What is an IDEAL FOC? How does this work?


With 100 gr I am looking at 470gr at 10.3% FOC
With a 125 gr I am looking at 495gr at 12.07% FOC
(this is based off of an internet calculator)



Are both of these fine?
Is one better than the other?
Or are they close that it doesn\'t really even matter?
 
Here is a good link with an explanation about it. My arrows have always been around 10% FOC and I have had no problems shooting broadheads at distances as far as 65 yards. Both setups sound like you will be good either way.

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IMO going to a heavier total arrow weight by adding 25g up front is dang near never a bad idea. Shoot your 100g tips at 80+ yards and then shoot your 125g tips. I shoot better with a heavier arrow and get more consistent and predictable flight. Besides, you know that a 495g arrow with a 125g shuttle T on the end will blow an elks shoulder to bits :shock: . Not that I would ever recommend anyone shoot for the shoulder, but if it happened with the arrow you\'re are considering, here\'s the result
 

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\"otcWill\" said:
IMO going to a heavier total arrow weight by adding 25g up front is dang near never a bad idea. Shoot your 100g tips at 80+ yards and then shoot your 125g tips. I shoot better with a heavier arrow and get more consistent and predictable flight. Besides, you know that a 495g arrow with a 125g shuttle T on the end will blow an elks shoulder to bits :shock: . Not that I would ever recommend anyone shoot for the shoulder, but if it happened with the arrow you\'re are considering, here\'s the result


Im sold......
I was leaning towards the 125s with this set up from the get go.
I don\'t need speed demon arrows, I want something that will do this :upthumb: :upthumb: :upthumb: :mg: :mg: :mg:

I really like the idea of predictable flight and more consistent too.



\"vthokee\" said:
Here is a good link with an explanation about it. My arrows have always been around 10% FOC and I have had no problems shooting broadheads at distances as far as 65 yards. Both setups sound like you will be good either way.

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I was looking at this one earlier and it was saying 7-10% is ideal.
Then other sites were recommending 18-25%!

So I figured I\'d see what everyone on here does!
 
I think the norm is in the 10% range. But nothing is cut in stone. I hate all this tech junk. Regardless of the percentage, so long as it doesn\'t effect your arrow flight, you should be OK. But experience has taught me that being on the heavy side seems to work best for me.
 
\">>>---WW---->\" said:
I think the norm is in the 10% range. But nothing is cut in stone. I hate all this tech junk. Regardless of the percentage, so long as it doesn\'t effect your arrow flight, you should be OK. But experience has taught me that being on the heavy side seems to work best for me.

I\'m like Bill on the highlighted...

When I was archery hunting I alway shot heavy broadheads on heavy arrows.... they always worked for me but I never shot and elk while archery hunting...
 
I prefer heavy. I\'m not a tech guy by any means but the only reason I would not go heavier in the tip is if it made your spine too weak. There is always a trade off. I want my FOC above 10 for sure and prefer it closer to 15 with my spine as stiff as I can get
 
You could add a brass insert that weighs more than your standard aluminum insert and not have to buy new broad heads. It\'s just another option to get you that weight up front.
 
i\'ll chime in here.

i run about 13.5% FOC. i achieve this by adding insert weights. i add 30gr. i do this so i dont have to buy 125gr heads. why? i think 125gr heads are physically bigger. they are with montecs. bigger heads means bigger wings to me. and bigger wings means it steers the head more.

i like the compact 100gr with the insert weights on the inside. mentally, i just think it\'s more aerodynamic. it\'s a mind game with me.

goldtips has awesome insert weights that screw into the back of the insert. easy.
 

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