![]() ![]() ![]() You will feel the arrow vibrate, and it’s showing you the natural oscillation of your arrow. Now firmly hit the arrow against your leg near the vanes. Make sure your other fingers are well out of the way so they will not touch any part of the arrow. Around about an inch to two inches from the point of your arrow grasp the shaft between two fingers. ![]() Practical You can very easily find where the nodes on your arrow are. As you settle into a rhythm different parts of the rope move up and down, some parts of the rope move more than others, and there are at least two points along the rope that don’t move at all. The vertical force you’re applying at one end of the rope is similar to the force your bow applies to the nock. Consider a rope, if you’ve not done it yourself you’ve probably seen the popular exercise that involves moving a rope up and down to force it to make waves. The reason the arrow continues towards this one point is that for every point of the arrow applying a force in one direction there is another point of the arrow applying the equal force in the other direction.Įven amongst all this wobbling there are two points on the arrow, called nodes, that don’t wobble, they travel exactly along the flight path of the arrow. They are wobbling up and down or left and right. However, most of the points on the arrow, certainly early in the arrow flight, are not travelling directly there. Of course, as the arrow flies the arrow as a whole is moving toward a point on the target. To get to the answer we first need to understand the oscillation of the arrow. Moreover, the arrow is not uniform because its centre of mass is not in the centre, it is closer to the point of the arrow because the components all add weight. Instead, the force is being applied not at the centre of the shaft but at a slight angle at one end of the shaft. But we aren’t in this perfect world where chickens are all spherical. Now, what about where along the arrow the bend occurs? When you simply have a shaft with no components on it and you just hang a weight from the centre the arrow will of course bend where the weight is, in mathematics we would say we are modelling the arrow as a light uniform rod. ![]()
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