Ok, I have a Easton axis with an FOC of 10.714 and I was using GT velocitys and just calculated there FOC at 14.285. So why I'm wondering is which FOC is better for a hunting situation? (Mostly whitetail) GT velocity- arrow weight 308g Easton axis- 365g
Higher FOC is always better but that Velocity is insanely light. I shot a GT Hunter Pro cut to 25.75". Standard insert with a 50grn brass weight behind it. 430 grains finished and 18% FOC.
Depends on if your arrows have enough spine for it. Bow Model? Draw Weight? Draw Length? Arrow Spine? Arrow Length? The more weight you add to the front of the arrow the weaker the spine becomes.
I've never seen 80# limbs for a guardian, weird. At any rate, you're insanely under spined right now and I'm betting some serious money you can cut that arrow back about 2" or more. I would look at two different setups... GT Velocity 300 w/50grn weights cut to 27" that will finish out around 445-450 grains or an Axis 300 w/ 50grn HIT insert finishing at about 455-460grains
Ok I really appreciate the help. I'm new to this obsession lol. So trying to learn all I can. Also, the 2008 guardian came out with 80# limbs.
Which ever you can hit where you are aiming better. I would be looking for more weight with either of those arrows. My suggestion would be if you can remove the inserts from the Axis arrows would be to replace them with Brass bringing your weight up to the 425-450gr range while also increasing your FOC. (Best of Both Worlds).
Don't even think of running .400 at 80 pounds, I don't care if they are cut down to 23 -24. Way under spined to start a solid tunable arrow build. Take some of the advise given above.
I group really well with both to be honest. But I am getting way better penetration out of the axis. So if I just added weight up front it wouldn't mess with arrow flight much?
If your shooting a 29" like you stated at 80 pounds, even with your shorter draw I would be looking at .300 spine or if it's Easton .330 spine.
I would go stiffer. You can never have too stiff of a shaft:evil grin: You'll likely have to special order .300's but thats just the nature of the beast with an 80# bow.
Adding weight to the front of a 400 spine is going to make it even more underspined. You need a 300 spine, especially if you shoot anything over 100 grains up front Sent from my iPhone using Tapatalk
Not only are they grossly underspined they are well under 5 grains per pound. Sent from my iPhone using Tapatalk
Your total arrow weight need to be a MINIMUM of 400 grains if your are drawing 80 pounds. This is not my opinion, it's the industry standard of 5 grains of arrow weight per pound of draw. Anything lighter and you run the risk of damaging you bow. Get your spine and weight up first then take a look at FOC.
As others have said. You need to get the weight up on your arrows and get the right spine. My personal preference is a slightly lighter GPI arrow with weight added up front for a little higher FOC. at .300 spine the axis are 10.7gpi. Personally I would probably look towards something like the Beman's at 9.5gpi or Victory VAP at 9.9gpi and add brass or stainless inserts to push the weight and FOC up a little.
It's a little off topic but if you're new to archery, I recommend that you start off by turning your bow's draw weight down along with getting some new arrows. It's a lot better to start light, work on using good form, and slowly turn up the pounds to where you want to be. Not only could you avoid developing bad habits that are hard to break, you might even save yourself some pain and injury. You can still buy your new arrows based upon the heavy draw that you are working towards.
I shoot for 7-7.5 grain per poundage on bow for arrow weight.. 125 grain tip and foc around 12-13% generally arrow weight is around 435 or so .. I think that's pretty close to ideal best bang for fps/ke/momentum for my setup... for white tail that is way way way more than enough... cam hanes shoots a 70lb+ turbo cam using 455 grain and has no issues taking down any game across north america
