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wojo14 wrote: Ok, I know adding weight to the front of the shaft affects the spine of the arrow, what about footings?

Lets say I am shooting a 55/75 arrow at 29″ with 350 out front. (225 head and a 125 insert)

I want to foot some arrows for stumping and hunting(I did not foot my target arrows).

Would a 225 head, 100 g insert and a 25g aluminum footing get me the same spine/EFOC as my target set up? With the same exact arrow.

Second? This one is for Joe Furlong and you guys that shoot A&A feathers.

Can I cut my own? Will they work the same? I took a 4″ shield cut and trimmed it down to 2.5″ It is pretty much the same looking feather.

Also, can I purchase turbulator tape separately?

I am only asking about the feathers, because until Joe gets more colors, I wanted to cut my own.

WOJO 14

I am glad you are experimenting with footings and feathers. Both go hand in hand when developing a FOC arrow

FOOTINGS I will give you a answer based on experience not a verified study. I do not believe that a external footing less than 3″ changes the spine to the stiffer side. Addition of 25 grains may weaken the spine if you are at a tipping point do to tip ,insert and adaptor weight.

Your target arrows should have the same exact components in weight as stumping arrows and finally the hunting arrow. In other words if your hunting arrow has a footing so should your practice arrow……develop the ideal arrow for your bow and stick with it. Some say arrows with footings will not pull out of foam targets easily. Some what true but should not be the reason for not using them. The benefits out weigh any minor inconvenience.

FEATHERS By all means cut your own.It is not rocket science.Just uses a good sharp scissors.Try to keep the rear cut perpendicular to the quill and the overall profile at 1/2 inch or less.

As stated above a true FOC arrow can not be attained with out experimenting with the weight on the rear of the arrow. Things to look at on the rear are feathers,wraps,and nock collars.

I use Carbon express arrows .the model I use comes with a knock collar. By removing the collar I shed 5 grains from the rear which in essence would be the equivalent of adding approximate 20 to 30 grains up front.

I offered A & A feathers on our site as I am trying to promote FOC. I think it is a important concept for archery. A & A feathers are part of the equation for UFOC. Like many of the products we offer such as adaptors and footings are offered to enable archers to build the best hunting arrow possible.:D

Turbulator tape that we use is automobile striping tape..You can also cut strips from cap wraps. The main purpose is to disrupt the air flow. 😀 HAVE FUN :D:D

wojo14 wrote: Joe,

First off, Thanks for your info, help and products!

I love experimenting with arrows. It is actually a sickness!

Wow, just some tape? I thought it was some kind of special top secret NASA stuff! 😆

I guess I have to get more footings!

I will order today!:D

WOJO 14

LOL…. so there is no confusion the striping tape I am referring to is a self stick vinyl tape used for striping autos, etc.. It can be bought at any auto store in multiple colors and widths. Use 1/16 to 3/16 wide.

Jason

If you look at Joe’s website there is a great article by Troy Breeding and a video of Dr. Ed tuning and building EFOC arrows. Be warned that Dr. Ed speaks Texacan vice English:D