Thursday, March 4, 2010
The Importance Of The Right Draw Length
When getting a bow a major part is getting a bow that has the correct draw length. Draw length is the length of the bow from the riser to the knocking point when the bow is at full draw. Bows such as a re curve will not have a draw length but with compound bows they will. Adult bows have a draw length of 24 inches to 32 inches on some models. Determining this is vital to how well you will preform once the bow is set up because if you have a brace height that is too long for you it will cause you to be stretched out too far and if it is too short it will not allow you to relax because you can not get to that point. With this being said I want you to find out what is your draw length.This can be done by going to an archery shop and asking to find out your draw length and they will also allow you to shoot different bows with different draw lengths so you can see how much an inch can make with the comfort of the bow. Once all the students have got their draw length we will use the information to find the average draw length.
Brace Height
When people are looking for a bow one major thing to look at is what the brace height is. The brace height is the distance from the center of the riser back to the string where the arrow would go. Most archers prefer to use a brace height of 7 inches. There are bows that range from 5 inches up to almost 9 inches research this and find out the advantages of using a bow with different brace heights and tell which brace height that you would prefer and why.
Calculating arrow Front of Center (FOC)
This formula is used by all types of archers from hunters, target, and 3-d archers to help figure if the arrow flight is where it should be. There are different opinions on the where it should be take this formula and diagram to aid you in testing several different arrows at different FOC. Decide which one would be the best arrow for using at long distances. Then post your finding and why you feel that percentage is the best.
1) Measure the length of the shaft from the throat of the nock to the end of the shaft, excluding the insert; this is length “L”
2) Using a sharp edge, balance the arrow (including the point) and mark the balance point
3) Measure the distance from the throat of the nock to the balance point; this is length “B”
FOCdiagram Arrow FOC Basics and how to Calculate it
4) Input B and L into the following formula:FOC%=(B/L-0.5)*100
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