March 13th, 2011, 08:30 AM
How to measure "exact" draw length from a bow?
I saw in many articles and webpage of Pro's mention theirs exact draw length (i.e. 29.65"). Knowing the way to measure this will help us to tune our bow back to the same specification after change the string or when we get a new bow.
What are methods and tools that measure an exact draw length from a bow?
March 13th, 2011, 08:35 AM
Draw Length is the distance from the nock point to the throat of the grip plus 1 3/4". Typically, this length will also be about the same length of arrow needed by the compound archer.
Originally Posted by ThunderX
How I do it is draw a arrow with a clothes pin to the front of risor. Deduct the distance to throut of grip and add 1 3/4" I have arrow that is marked with my draw length woth a cloths pin exact.
Having a draw bpard is another way.
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March 13th, 2011, 09:49 AM
Would you want to consider drawing "against the wall" since the amount of travel in the valley could vary?
Originally Posted by Daniel Boone
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March 13th, 2011, 09:56 AM
Unless you have a draw board, measuring draw length is a two person task.
To perform the measurement, nock an arrow and come to full draw, anchor just as you would normally. Have the assistant mark the arrow where it crosses the deepest part of the throat(most bows this will be at or very near the berger hole), let down.
Measure the arrow from the nock groove to the mark on your arrow and then add 1.75" to the measurement. This is your actual draw length based on AMO standards.
Over the years I have taken an uncut full length arrow and marked off the various draw lengths from 25" to 31" on the arrow and use this for making the measurement. I believe this is much safer, as the person doing the check does not have to place his hands on your bow reducing the chance of injury if you can't hold it for very long.
March 13th, 2011, 09:59 AM
Take the measurement at full draw anchored as you would when actually shooting the bow. I feel draw length should be measured with the bow in the hands of the shooter. This will help in determing if the draw length is correct and which way to adjust it if necessary. Draw boards are nice for checking, but the archer is the one who will shoot the bow, not the draw board.
Originally Posted by tpcollins
March 13th, 2011, 10:44 AM
I dont have a drw board but I think its so you can get each bow to the same dl, not to figure out what your dl should be.
Originally Posted by whitetail101
March 13th, 2011, 10:53 AM
The most common issue that has arisen from draw boards, is people measuring against the wall. "full draw" is the deepest part of the valley (end of the power stroke).
A bunch of different bows and arrows and stuff.
March 13th, 2011, 10:57 AM
Yes.. measuring from the back-wall isn't what manufacturers are doing.. they measure from the deepest part of the valley.
Originally Posted by TOOL
March 13th, 2011, 10:59 AM
Once you get your draw length they way you want it.Take A arrow and mark it to the center of your berger hole.Now you have something to set your bow back up with.You can also use it to check your draw length as needed.
March 13th, 2011, 08:47 PM
Thanks for all the answers and advise. I will go measure my bows today.
March 13th, 2011, 10:46 PM
A little easier way is to spray foot powder on the bottom of an arrow.
Draw to anchor and let down. You can easily measure the distance to the rest, then a little arithmatic
and you have the precise DL
Originally Posted by baldmountain
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