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Old 12-10-2018, 07:42 PM   #1
98ag
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Default Drew length vs weight

I took my sons bow in today and we had to lengthen his draw 2”. What effect will this have on the draw weight. I forgot to check after the adjustment.

Thanks

Last edited by 98ag; 12-10-2018 at 07:45 PM.
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Old 12-10-2018, 08:00 PM   #2
beararcher_84
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Draw length and weight are 2 seperate things. Your weight is adjusted at the limb bolts. What will change is arrow speed (FPS), possibility of change in arrow spine and arrow length

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Old 12-10-2018, 08:18 PM   #3
98ag
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Does a longer draw length give a faster arrow? Assuming the weight is the same.
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Old 12-10-2018, 08:26 PM   #4
Cantcatch5
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Quote:
Originally Posted by 98ag View Post
Does a longer draw length give a faster arrow? Assuming the weight is the same.
Yes.
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Old 12-10-2018, 08:36 PM   #5
98ag
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Thanks
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Old 12-10-2018, 08:48 PM   #6
beararcher_84
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Yes you would be faster. For eample with my setup, adding 2in of draw length would speed me up 20fps

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Old 12-11-2018, 04:13 AM   #7
Kmiles84
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yep.
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Old 12-11-2018, 09:34 AM   #8
Rat
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Quote:
Originally Posted by 98ag View Post
I took my sons bow in today and we had to lengthen his draw 2. What effect will this have on the draw weight. I forgot to check after the adjustment.

Thanks
Depends on the bow; what model is he shooting?

Most "grow-with-you" bows will have a draw weight dependent on the draw length.

For example, the Hoyt Klash has a draw length range from 18 to 29 inches and a weight range from 18 to 70 pounds.

In the draw length of 23 inches though it will be a minimum of 32 pounds and maximum of 60 pounds. So, each draw length has a given range of draw weight.

By adding 2 inches to your son's draw length may very well have changed the draw weight, but probably not by much; maybe 4 to 5 pounds.
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Old 12-11-2018, 09:37 AM   #9
duckman49
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Quote:
Originally Posted by Rat View Post
Depends on the bow; what model is he shooting?

Most "grow-with-you" bows will have a draw weight dependent on the draw length.

For example, the Hoyt Klash has a draw length range from 18 to 29 inches and a weight range from 18 to 70 pounds.

In the draw length of 23 inches though it will be a minimum of 32 pounds and maximum of 60 pounds. So, each draw length has a given range of draw weight.

By adding 2 inches to your son's draw length may very well have changed the draw weight, but probably not by much; maybe 4 to 5 pounds.


Same goes for the mission craze and menace
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Old 12-11-2018, 09:41 AM   #10
Rat
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Quote:
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Does a longer draw length give a faster arrow? Assuming the weight is the same.
Yes, this is due to having a longer power stroke.

Let's say your son's bow has a 6 inch brace height and he is shooting a 20 inch draw length; that is a 14 inch power stroke. Now we make it 22 inches and he has a 16 inch power stroke. If all else remains the same, a longer power stroke will yield a faster arrow.
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Old 12-11-2018, 01:02 PM   #11
Low Fence
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Typical gains are 10fps per inch of draw and 2fps per pound of draw. So all being equal the 2” should have gained around 20 FPS
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Old 12-13-2018, 07:50 PM   #12
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Very helpful info. Thanks guys.
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