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Author Topic: Advice.....and, bows wanted.....please help!  (Read 789 times)

Offline Dave Bulla

  • Trad Bowhunter
  • **
  • Posts: 1794
Re: Advice.....and, bows wanted.....please help!
« Reply #20 on: August 04, 2009, 02:44:00 PM »
Jose,

There is really no calculator to determine a bows cast based on draw weight that would work across the board for all the different types of bows.  A general rule of thumb for self bows to determine if they are adequate shooters is that they cast an arrow a distance equal to the draw weight plus 100 yards.  So, a 50 lb self bow should shoot an arrow 150 yards.  If it is exceptionally well tillered, it might shoot 20 or so yards farther.

Almost any glass backed bow should do this easily and then some with arrows in the 8 to 10 grains per pound range.  That is, say if you have a 50 pound bow, 10 grains per pounds is a 500 grain arrow total weight.  Eight gr/lb would be a 400 gr. arrow.  I did not see any mention of minim arrow weights in the regulations but 8 to 10 gr/in is standard for most trad guys.

By the CA state regulation, that means that on average, depending on bow design and efficiency, about 30 lbs is the minimum draw weight.  Of course, it depends on the actual performance of the bow.  The kicker might be that if say I wanted to take my kid hunting and she had a 35lb bow, I'd want her to use arrows that were about 10 to 12 gr/in just for the added penetration an heavy arrow provides but if I went too heavy, they might not go 130 yards.  I guess to be legal, you'd just have to go out and test your setup.  For your son pulling only 26 inches, if he was using a bow 40 lb at 28" the draw weight at his draw would be about 35 lbs.  Getting down close to the range where you need to try for distance with his actual hunting arrows.

I'm sure that the "horizontal distance" refers to point A to point B distance measurement taken on the ground between you and where your arrow lands.  You have to aim about 35 degrees upwards to get the best distance from a bow shot.  My bow that is 65# at 32" will shoot a hunting arrow about 195 to 205 paces.
Dave


I've come to believe that the keys to shooting well for me are good form, trusting the bow to do all the work, and having the confidence in the bow and myself to remain motionless and relaxed at release until the arrow hits the mark.

Offline Indomitable

  • Trad Bowhunter
  • **
  • Posts: 13
Re: Advice.....and, bows wanted.....please help!
« Reply #21 on: August 04, 2009, 03:06:00 PM »
Dave,
To be safe, I'll look for a bow between 40-45 lbs. for him.  That way, with the proper arrows, he is likely to meet/exceed the 130 yard criteria of the regulations.  Thanks for taking all the time to "digest" the regulations for me.
----------------------------
Jose A. de la Cruz, AIA

Abbott LB, #56 @28", 64"
Bear Montana LB, #55 @28", 64"
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"Soli Deo honor et gloria"
San Juan de la Cruz (16th C.)
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Offline NorthernCaliforniaHunter

  • Trad Bowhunter
  • **
  • Posts: 1563
Re: Advice.....and, bows wanted.....please help!
« Reply #22 on: August 04, 2009, 04:24:00 PM »
Excellent post Dave, I was able to visualize the calculus as it relates to the real world. I suppose my 15grain/pound arrows are a tad heavy, eh? They fly well though!   "[dntthnk]"
"...there are no words that can tell the hidden spirit of the wilderness, that can reveal its mystery, it's melancholy, and its charm." Theodore Roosevelt

Find me at ShareTheBounty

Offline Indomitable

  • Trad Bowhunter
  • **
  • Posts: 13
Re: Advice.....and, bows wanted.....please help!
« Reply #23 on: August 05, 2009, 11:11:00 PM »
I've purchased an used 64" 56#@28", Abbott longbow for me to get started and practice in my back yard....as a tradgang member gave me a nice deal on a bow and some arrows.....archery season is over for "A" zone and I need to wait another week for general/rifle season to begin so I can actually hunt with the bow.  I still need to get one for my son...and, I'll more than likely go the used route for him as well.  Once I am more proficient and know more of what I want, I'll feel more comfortable buying one of those magnificent custom bows you've all given me advice on.
----------------------------
Jose A. de la Cruz, AIA

Abbott LB, #56 @28", 64"
Bear Montana LB, #55 @28", 64"
-----------------------------
"Soli Deo honor et gloria"
San Juan de la Cruz (16th C.)
-----------------------------
-----------------------

Offline Dave Bulla

  • Trad Bowhunter
  • **
  • Posts: 1794
Re: Advice.....and, bows wanted.....please help!
« Reply #24 on: August 06, 2009, 12:20:00 PM »
Sounds like you're on the right track.  Just don't waste time finding one for your boy if you want him to get some practice in.

As far as that goes, go back and re read the comment about being honest with yourself about what range you are competent at.  You might not be ready at all this year.
Dave


I've come to believe that the keys to shooting well for me are good form, trusting the bow to do all the work, and having the confidence in the bow and myself to remain motionless and relaxed at release until the arrow hits the mark.

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