Cock Vane and Spine...

[Drew]

Quick question to you expert arrow builders out there. I just received 18 spine matched ZS's from South Shore. So when I build these up, does it matter if I put the cock vane on the stiff side or 180 degrees opposite?

[racking up points]

No expert here, a total noob. I indexed mine so the stiff side was down, but I don't think it matters. At least I hope not

[paulaboutform]

I believe the theory is to have the stiff side up so the weaker part of the shaft is supported along the rail. I don't know how much difference that will really make if the orientation of cock vane and spine is the same with all your arrows. Give Jerry a call and hear what he has to say.

Paul

[Boo]

Put the cock vane where Jerry has marked it.

[racking up points]

Put the cock vane where Jerry has marked it.

That's how I indexed mine. But are you saying that the opposite side of the mark is where the stiffest plane should be?

[Boo]

Put the cock vane where Jerry has marked it.

That's how I indexed mine. But are you saying that the opposite side of the mark is where the stiffest plane should be?

I mark the softest part for the cock vane. I do not know what Jerry marks.

[paulaboutform]

Put the cock vane where Jerry has marked it.

That's how I indexed mine. But are you saying that the opposite side of the mark is where the stiffest plane should be?

I mark the softest part for the cock vane. I do not know what Jerry marks.

That's what I was getting at, is the mark there for the cock vane or the stiff side of the spine.

Paul

[racking up points]

From the horse's mouth:

Derrick, if you put it between the hen vanes or inline with the cock vane it will react the same way.

Jerry

[xcaliber]

I don't index, but I have read a lot about it, and spoke with Jerry, and some others. This is really your preference, but placing them consistently is the going to get the best results. I would line up the cock vane with the mark to keep it simple, and get the vane as close to the mark as possible. That's what my OCD tells me.

[newbie]

it doesnt matter where you put the cock vane....between or on.
its a plane that acts the same 180 degrees onv the shaft. just do them all the same.
Don us younger guys mark the stiff side still

[8ptbuk]

I don't index, but I have read a lot about it, and spoke with Jerry, and some others. This is really your preference, but placing them consistently is the going to get the best results. I would line up the cock vane with the mark to keep it simple, and get the vane as close to the mark as possible. That's what my OCD tells me.

This is what I do and works great !