Does Draw Length Affect Arrow Speed? [Understanding The Relationship]




Key Takeaways

  • For every inch of draw length reduction, arrow speed can be reduced to 10 fps and vice-versa.
  • Draw weight is equally essential in arrow speed. Increasing the draw weight can increase the arrow speed. 
  • Appropriate arrow length can increase accuracy, consistent shooting, and safety.

Have you ever wondered, How does draw length affect arrow  speed? It is a common question among beginners.

Many factors affect the arrow speed. Some archers use longer arrows, some of them use shorter arrows, and some of them use lighter or heavier arrows. Among them, the most crucial factor is the draw length. So, a common question arises: Does draw length affect arrow speed?

Does Draw Length Affect Arrow Speed

Affect Arrow Speed :-

In short, the answer is yes. As a general rule, 1-inch of draw length is worth about ten fps arrow speed. Your arrow speed will drop by thirty feet per second if you shorten your draw length by three inches.

This isn’t everything that you need to know. You have just started. Let’s go deep.

So, Does Draw Length Affect Arrow Speed?

Yes, draw length can affect the arrow speed. Between the nocking point of the bowstring to the deepest part of the grip when the bow is at full is called draw length. If you change the draw length of your bow, it can affect the kinetic energy of your arrow.

How Does Draw Length Affect Arrow Speed?

The general question is does longer draw length affect arrow speed? Yes, your arrow speed will increase with a longer draw length since your bow will have more kinetic energy.

Appropriate draw length can increase accuracy and consistent shooting. So, at the time of adjusting your arrows, seek guidance from an archer expert.

The relation between the draw weight and arrow speed is very crucial. 

The term “draw weight” describes the weight or force needed to bring the bow string back to full draw.

How Does Draw Length Affect Arrow Speed

The arrow speed increases with increasing draw weight. The heavier draw weight provides more kinetic energy to your arrow.

Therefore, if you increase your draw weight by 5 pounds, the speed of your arrow will increase by 10 fps. Remember to increase your string weight; it is also essential to use your bow comfortably. 

How Do Draw Weight And Arrow Speed Relate to Each Other?

There is a considerable relationship between the draw weight and arrow speed. The relationship is given below-

Draw Weight Vs Arrow Speed

Increase the draw weight of your bow, and it stores more potential energy in the bow limbs. At the time of releasing the bow string, the power stroke is transferred to the arrow. In general, the higher the draw weight, the higher the arrow speed.

Draw Weight Vs. Kinetic Energy 

In hunting or target shooting, the kinetic energy of an arrow is a very crucial factor. Kinetic energy is directly related to the draw weight. 

So, the greater the draw weight, the greater the arrow speed and the greater the kinetic energy. More kinetic energy improves the arrow’s penetration and activity.

In summary, by dropping your draw weight by 5 pounds, the arrow speed will decrease by 8 to 10 fps. For every 1 pound of draw weight reduction, you will lose 1.5 to 2fps (Approximately).Arrow spin is also an important factor for arrow speed. So,  telling which way your arrow spins isn’t so easy. 

Should Arrow Length Match Draw Length?

Most people think the arrow length and the draw length have to match. But this can get a different arrow speed.

Should Arrow Length Match Draw Length

Ideally, your arrow should be 1 to 2 inches longer than your draw length. For example, how long should arrows be for a 28-inch draw? The arrow should be between 29 and 30 inches in length while the draw length of the bow is 28 inches.

The extra 1 to 2 inches can lead to increased accuracy and consistency. Using arrows that are too short can be dangerous. The shorter arrow length can lead to accuracy issues, which can lead to accidents or damage to your bow.

Arrow length can differ depending on your purposes. Target shooters often use longer arrows than draw weight for better stability and accuracy. 

Bow hunters might use slightly shorter arrows for manoeuvrability. 

How Much Speed Do You Lose Per Inch Of Draw Length?

The speed of arrow length depends on several factors, including the specific bow, arrow and the archer’s skill.

A shorter draw length of a bow can reduce the amount of stored energy in the limbs. As a result, the transfer energy is decreased to the arrow. Therefore, the arrow speed is reduced.

However, as a general guideline, you can expect to lose approximately 10 feet per second(fps)of arrow speed for every inch of draw length reduction. The actual range is found to be between 8 to 12 fps.

You will lose 1 to 1.5 fps of arrow speed for every five grains of additional arrow weight. 

However, the arrow length shouldn’t match the draw length. So, how much velocity do you lose per inch? The answer is 1o fps. 

Remember, the actual loss can vary depending on other factors.

Choosing The Correct Draw Length For Your Bow?

Choosing The Correct Draw Length For Your Bow

Measure Your Wingspan 

Measuring your wingspan is the most common method to estimate the draw length. 

  • First, get a measuring tape and an assistive person.
  • Subsequently, stand up straight and extend your arms wide. Someone measures the distance between the tips of one middle finger and the other.
  • Take the wingspan measurements with the help of your assistant. 
  • Remember to record this measurement in inches.

Calculate Your Approximate Draw Length

  • To get the appropriate draw length, take your wingspan measurement (in inches) and divide it by 2.5.
  • Your approximate draw length would be 70/2.5 = 28 inches, for instance, if your wingspan is 70 inches. 

Fine Tune And Archery Style

  • Based on personal comfort and shooting performance, you can fine-tune your draw length.
  • Shooting style, anchor point, and the type of archery you want to use(e.g., hunting, targeting)may influence the draw length. 

Now, are you thinking about, does draw length affect arrow speed in a compound bow? The draw length can vary based on the type of archery, such as compound bows or traditional bows.

In summary, draw length is a significant factor in archery. Determining the proper draw length is essential for accuracy and safety. If you are a beginner, it is best to take a consultant’s help. One fun fact is, can you split an arrow with another arrow? It ensures your fine-tuning.

Adjusting Your Draw Length For Maximum Arrow Speed?

Adjusting Your Draw Length For Maximum Arrow Speed

Find the optimum draw length for your specific bow setup and shooting style to adjust the draw length for maximum arrow speed.

In general, a longer draw length(within the range) can increase the arrow speed. Here are some steps to adjust your draw length for maximum arrow speed-

Understand The Draw Length And Draw Weight 

  • Draw length refers to the distance from your bow hand (the throat of the grip) to the nocking point on the bowstring when at full draw.
  • The force needed to bring the bowstring to full draw is known as draw weight.

Determine The Draw Length

  • First, take your wingspan measurement(in inches) and divide it by 2.5 to determine the proper draw length. 
  • The power stroke of the bow and the arrow velocity increase with the draw length.

IBO speed ratings bow with a draw length of thirty inches. Therefore, if the IBO speed of your bow is 340 fps and you want to shoot a 27-inch draw-length bow. The speed will decrease by approximately 30 fps. The IBO speed will be a maximum of 310 fps.

Use an arrow speed calculator to determine the appropriate draw length. 

Consider Draw Weight

  • The bow’s draw weight is another crucial factor in arrow speed. So, does draw weight affect arrow speed? The higher the draw weight can result in faster arrow speeds.
  • Some archers are capable of 70,80, or 90-pound draw of weight. Some of them use 80 or 90 lbs. But the vast majority of adults are capable of shooting 60 to 70-pound draw weight.
  • You should adjust the draw weight in combination with the draw length for optimum arrow speed.

Consider Grain Weight

  • For every pound of draw weight, the completed GPP(grains per pound)for a lighter arrow range is between 5 and 6.5 grains. Eight or more grains of arrow are heavier.
  • A 350-grain arrow is the minimum weight for the 70-pound compound bow.

Do you know, What spine arrow for a 60-pound bow works properly? It is also important to adjust the draw length.

Remember that maximum arrow speed is not only a consideration when setting your draw length. Safety, accuracy, and personal comfort are equally important. 

Tips For Increasing Arrow Speed

  • Increase your draw weight to a limited range. It is the easiest way to increase arrow speed .
  • Use lighter arrows to choose a full-length arrow whose weight falls between 5 and 10 grains for every pound that your bow can draw.
  • Increase draw length. 
  • Upgrade Cams.
  • Properly spec your bow.
  • String weight helps to reduce the amount as much as possible, particularly at the centre of the string. You can use a peep sight to increase the arrow speed.
  • Use speed bumps to increase your arrow speed by 5fps.

However, here are some essential tips to increase your arrow speed.

Frequently Asked Questions (FAQ’s)

Does Longer Draw Length Affect Arrow Speed?

Yes, the more extended (limited range)the draw length, the more arrow speed you will get.

What Is The Optimal Draw Length For Arrow Speed?

28 to 30 inches is the optimum draw length.

What Makes An Arrow Go Faster?

Draw length, draw weight, bowstring, limb material and arrow weight mainly affect an arrow to go faster.

How Long Should My Arrows Be If My Draw Length Is 27?

The Arrow length should be 1 to 2 inches longer than draw length. So, it is 29 to 30 inches.

Are There Any Draw Length Limits For Archers Aiming For High Arrow Speeds?

The Arrow length should be 1 to 2 inches longer than draw length. The arrow length makes the arrow more flexible and less accurate.

Final Words

In short, draw length is a crucial factor for arrow speed. High accuracy, consistency, and safety depend on draw length.

Hope, you have got your answer of how does draw length affect arrow speed. A 1-inch draw length is worth about 10 feet per second (fps). By reducing the 5-inch draw length, you will lose approximately 50 fps arrow speed. Draw weight is equally essential in arrow weight. For every 1 pound draw weight reduction,1.5 to 2 fps arrow speed can be reduced.

However, the draw length and arrow speed determination are straightforward. You can determine it very quickly at home. In a few experiments, you will compare the effect of arrow speed. To know more, feel free to leave your comment below or mail.

Bob Magic

Written by

Bob Magic

Meet Bob Magic, the archery maestro. A National Champion, “Coach of the Year,” and gold medalist. Bob simplifies archery, ensuring your bullseye success. Whether you’re a newbie or a pro, let Bob’s magic guide your arrow.

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