What makes an arrow wobble

I will have to shoot it some more to make sure I know exactly what is going on! I didn't think I had this problem last season, but I broke my last goldtip so I can't shoot a few to make sure. Oct 2, 8.

First things first Oct 2, 9. JDMiller , Oct 2, Oct 2, If you are shooting with fingers you need a properly spinned arrow. If you are shooting with a release it is better to go with a stiffer shaft. With a release don't worry about spine, just go with a stiff shaft like 's. So, if you are shooting with a release get stiff arrow, tune bow. If you need help tuning your bow best to go to a bow shop or get someone to physically help you.

It's hard to trouble shoot and set up getting all this advice when we can't really see the problem. Sometimes a bow just gets out of whack and you need to re-adjust centershot, knock height, etc. Sometime your strings or cables stretch and the knock or string loop needs to be adjusted.

There are many small things it could be. I meant 's. Last edited: Oct 3, Oct 3, With carbon arrows you really don't need an overdraw. An overdraw is to shorten an arrow to shoot a lighter arrow.

Now, to explain the wobble, let's consider fake forces. What is a fake force? This is a great model, but it only works if I measure forces and accelerations with respect to a constant velocity reference frame called an inertial reference frame. What if I want to look at this arrow as viewed from a reference frame that accelerates with the arrow? In that case Newton's Second Law doesn't work unless I add a fake force. This fake force will be equal to the mass of the arrow multiplied by the acceleration of the framebut in the opposite direction of the frame's acceleration.

Don't worry about these fake forcesyou've experienced them before. Think back to the last time you rode in an elevator. You stepped inside and the door closed. You pressed the button to take you up to the 4th floor and felt it.

As the elevator accelerated upward, you felt heavier, but your mass and weight didn't change. Instead, you experienced a fake force pushing down on you due to the acceleration of the elevator.

It's not actually a force due to a real interaction, but it feels that way. Back to the arrow. Let's redraw the forces on the arrow including the fake force. But where to put this fake force? For now, let's pretend like it acts at the center of mass of the arrow. Mechanical release aids remove the left-right waggle, but the pressure comes in the vertical plane from the string , and the rest only contacts the arrow from the bottom — meaning the arrow wobbles up and down.

The further away an arrow is from the bow, the straighter it will fly — as the energy spent on bending lessens. Vanes or fletchings on the back of the arrow speed up this process, as they slow down the back of the shaft, which is the part travelling faster. Every arrow in flight has two nodes, one near the back and one near the front. Nodes are points on the shaft that remain in the same place while everything else bends. Header video produced in association with Archery Real name :.