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Author Topic: Tuning my recurve  (Read 434 times)

Offline oldandslow

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Tuning my recurve
« on: September 12, 2020, 05:08:53 PM »
Hi folks, new here. I recently purchased a Bodnik Mohawk and need a little tuning advice.
The arrows are black eagle outlaw 31 inches with a 175 tip. They are spine 400.
Is this a good place to start with a 40 lb bow?
They seem a little dirty off the bow with some not too bad.
I used to shoot compounds back in the day so I have that experience.  Recurve is new to me.

Online moebow

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Re: Tuning my recurve
« Reply #1 on: September 12, 2020, 05:30:07 PM »
I think you are too stiff for spine.  Try some .600 spine arrows.
This question will be answered better in the Pow Wow section as this is a FORM section, not equipment.
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Offline oldandslow

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Re: Tuning my recurve
« Reply #2 on: September 12, 2020, 05:41:26 PM »
Maybe a moderator can move it?

Online McDave

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Re: Tuning my recurve
« Reply #3 on: September 12, 2020, 05:41:49 PM »
Agree, .400 is too stiff.  What is your draw length and actual draw weight at that draw length?  For example, your arrows are cut to 31”; if your marked bow weight is 40# @ 28” and you’re drawing to 30”, your actual draw weight would be about 45#.  This might indicate a spine of .500 rather than .600, but I can’t imagine anything that would call for a spine of .400.
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Offline oldandslow

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Re: Tuning my recurve
« Reply #4 on: September 12, 2020, 10:41:58 PM »
im not sure what my actual draw length is.
but the arrows are tipped with 175 grain tips...that would weaken the spine yes?

Online McDave

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Re: Tuning my recurve
« Reply #5 on: September 12, 2020, 11:20:19 PM »
That's correct, 175 grains would weaken the spine.  However, imagine that your draw length were only 26”. That would stiffen the spine, more than the 175 grain point would weaken it.  The point is, measure your draw length. It isn't that hard to do.  Just draw the bow and have someone mark the arrow where it crosses the back of the bow (the side away from you).  Measure the distance from the mark to the valley of the nock (the lowest part of the nock).
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Offline oldandslow

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Re: Tuning my recurve
« Reply #6 on: September 13, 2020, 12:02:23 PM »
Draw length measures a tad over 29 inches

Online McDave

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Re: Tuning my recurve
« Reply #7 on: September 13, 2020, 12:21:25 PM »
My experience would put you somewhere between a .600 and a .500 spine. If the bow is marked 40# @ 28”, at a 29” draw your actual draw weight would be 42-43#.  With a 175 grain point, I would be more inclined towards .500 than .600.
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Offline oldandslow

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Re: Tuning my recurve
« Reply #8 on: September 13, 2020, 01:04:22 PM »
Thank you for time.
This will not be a hunting bow.
What kind of weight should I be aiming for overall
For the arrow? For instance a 500 spine and 100 gr tip?

Online McDave

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Re: Tuning my recurve
« Reply #9 on: September 13, 2020, 01:31:04 PM »
For a target bow, I would go for .600 spine and 100 grain tips. This will give you substantially more speed and a flatter trajectory than .500 spine with 175 grain tips. I would go for the ultralight version of whatever shaft you choose. For example, the plain black .600 spine Gold Tip ultralight weighs 75 grains less than the same shaft with a wood grain finish.

My arrows set up like that weigh about 315 grains.

Edit: your arrows would be more like 327 grains because they are 31” while mine are 29”.  Of course, you might decide to cut an inch off of yours to make them a little stiffer, which would put you in at about 321 grains.  But this is fine tuning and can wait until you shoot them for a while.
« Last Edit: September 13, 2020, 02:26:04 PM by McDave »
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Offline oldandslow

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Re: Tuning my recurve
« Reply #10 on: October 03, 2020, 03:40:20 PM »
Tried the 600 with 100 gr tips...seems weak
Ended up with 500 with 125 tips. 
Sometimes they fly well and other times not so
Well but it seems to be my form more than anything
Gonna play with this setup for a while.
Thanks for your help.

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