FOC v EFOC ?

[Longtoke]

hmm getting things back on point...

I agree a tuned arrow is a tuned arrow.. that is the most important factor of all and should be assumed that the arrow is perfectly tuned before we start nit picking over weight distribution in the arrow. There can be no comparison between a well tuned arrow and one that wobbles.   I also agree that a good release along with the well tuned arrow is the biggest factor with short range recovery. Talking about tuning difficulties is neither here nor there.

Now as to what kind of arrow does what.... hmm hard to tell from the naked eye.  Does anyone have access to a good slow motion camera?

[beendare]

I think this whole subject is kind of funny. Guys talk about different projectiles; missiles etc flying better with more weight up front. Remember, an arrow starts at zero and is violently launched from a bow so too much front loading only destabilizes the arrow on launch.

So really it all comes down to tuning and accuracy; Balancing spine and tip weight for best possible arrow flight.

If EFOC had an advantage in being more accurate, don't you think the FITA folks, or the ASA 3D competitors would be using EFOC arrows? You can bet your bottom dollar they would be. Those folks tweak for weeks....just to get a 2 point improvement.

So when exactly ZERO of those top target archers use EFOC arrows and instead keep their arrows in the Easton recommended range (8-16%)....that tells you something.

I have helped take out two deer with pass through hits this year.  A tapered cedar with a Bear no bleeder, 115 grains, and a tapered cedar with a 125 Eskimo.  Both arrows were well under 450 grains.   Of course, Iowa whitetails are not cape buffalo, they are not that hard to shoot through.

[Alexander Traditional]

I don't think about this much,but it's somewhat interesting. I sort of feel like a dumba$$,but what the heck is efoc?

[AZ_Longbow]

Extreme front of center. Uefoc is ultra.

[Darryl R.]

Like Mike Bolin:
I shoot two Bob Lee's that are 53@28".  Lee's and Widows are similarly aggressive recurves.

I draw 28" and get outstanding flight with:
Beman Centershot 400's cut to 28.25"
75 grain brass insert
310 grain heads
3 - 3.5" parabolic fletchings
My arrows weigh 675 grains and come in at 28.76% efoc
They fly like darts and give crazy penetration.
I use grizzly single bevel broadheads

[Darryl R.]

And I must add - according to the Miller calculator my set up is way off, showing the arrows as super weak for the bow like a 30+ point spread between the dynamic spines.

But my bare shafts group tight with my fletched shafts and my broadheads hit dead on like a field point.

I actually practice with the bare shafts as much as fletched because they force my to work on consistency in my form.

[AZ_Longbow]

I never got the calculator to work for me. It all came down to shooting and cutting.

[forestdweller]

Originally posted by beendare:
I think this whole subject is kind of funny. Guys talk about different projectiles; missiles etc flying better with more weight up front. Remember, an arrow starts at zero and is violently launched from a bow so too much front loading only destabilizes the arrow on launch.

So really it all comes down to tuning and accuracy; Balancing spine and tip weight for best possible arrow flight.

If EFOC had an advantage in being more accurate, don't you think the FITA folks, or the ASA 3D competitors would be using EFOC arrows? You can bet your bottom dollar they would be. Those folks tweak for weeks....just to get a 2 point improvement.

So when exactly ZERO of those top target archers use EFOC arrows and instead keep their arrows in the Easton recommended range (8-16%)....that tells you something.

This is my thought process on it as well.

I believe that too much FOC can hurt you because the tail end of the arrow is going to be more prone to swaying to the left/right/high/low especially in a crosswind which will give you poor arrow flight or at the least less than ideal arrow flight.

This is because you have to compensate by using a lighter shaft.

If you go with a heavy shaft and a heavy arrow point your trajectory will suffer greatly.

The best of both worlds is probably a good well built shaft that is not too heavy with a 12-18% FOC give or take.

[Darryl R.]

Yup - I used to like it but it cost me a lot $$ in shafts cut too short.
Bareshaft planing is the way to go for me from now on

[beendare]

Hey, there is room for everyone under the wide umbrella of archery. ...I applaud different....its the "Better" claim I have a problem with.

Easton has been testing and engineering these arrows for over 1/2 a century. It seems to me they know what they are doing.

To say something radically outside the bounds of what Easton recommends and the pros all use is 'better'...is bordering on snake oil.

[Longtoke]

I find it strange people want to tell you that something does not work and then within the same breath say that they have never tried.