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Thread: onza 3 speed issues

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    Default onza 3 speed issues

    i recently purchased an 11' onza 3 and can't seem to get any speed out of this bow. at 29" draw this bow is nowhere near ibo with my current setup. 29" draw length,63lbs.,322grn linejammer, new 8125g string with three speed nocks at each end 3/16ths metapeep and small d loop. bow only went 295fps! i deleted the trg,went with a conventional cable rod and slide, and went with a lower sts. this gave me about 3 extra fps. this bow should be netting at least 318fps with this current setup. any advise would be greatly appreciated.

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    Senior Member elkslayer4x5's Avatar
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    Like most manufaturers, Martin tends to be a bit optimitic about the IBO speeds obtainable, but you're getting decent speed with 1 inch less draw, 7 lbs under draw weight, and a light arrow. Are you sure that your timing is right?
    http://eastoutfitter.tripod.com/index.html
    http://www.cascadianbowmen.org/
    Martin 06 Slayer, Nitrous C, shoot thru, 63lb, Quiktune 3000, HAA OL 5519, Beman ICS Hunter
    Martin 06 Slayer, Nitrous C, Shoot thru, 55lb, Quiktune 3000, HHA OL 5519 2X, Easton A/C/C
    Ben Pearson 1968 'Cougar' 62" 45#s @ 28" recurve, parallel shaft POC, Zwickey 'Eskimo' 2 blade

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    only a pound or so off,not 7. 297-298 isn't decent in my book for a bow that ibo's 330-340. theres no excuse for this bow not to hit at least 318 or better the way it's set up. yep,timing is perfect.

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    Senior Member gravedigger's Avatar
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    is that bow rated 45-60 lbs or 55-70 lbs.

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    Senior Member Speedykills's Avatar
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    Dont know what to tell ya,send it to crackers maybe!If bows in time and to spec not much you can do,i dont know if you have a 60 or 70 pound max bow or not that will make a big difference.
    Maybe those speed nocks arent in a optimal position and the string material as far as strands will make a difference too.Might try some speed pro arrows also im sure that will get you some better numbers.

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    Quote Originally Posted by vegas steve View Post
    i recently purchased an 11' onza 3 ibo with my current setup. 29" draw length,63lbs.,322grn linejammer, new 8125g .
    IBo is 30 in at 70 lbs a 350 gr arrow. Ran it thru a calculator and 291 is what it spits out... I would say if you want more speed go to gym and pull more lbs...or get longer arms... LOL JK seems right to me...

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    Senior Member elkslayer4x5's Avatar
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    Quote Originally Posted by vegas steve View Post
    i recently purchased an 11' onza 3 and can't seem to get any speed out of this bow. at 29" draw this bow is nowhere near ibo with my current setup. 29" draw length,63lbs.
    Quote Originally Posted by vegas steve View Post
    only a pound or so off,not 7. 297-298 isn't decent in my book for a bow that ibo's 330-340. theres no excuse for this bow not to hit at least 318 or better the way it's set up. yep,timing is perfect.
    IBO speeds are achieved with a 70 # bow, and a 30" draw not a 64 #er and a 29" draw. But you are 28 grns light on your arrow. just sayin.
    Last edited by elkslayer4x5; 12-04-2011 at 08:05 AM.
    http://eastoutfitter.tripod.com/index.html
    http://www.cascadianbowmen.org/
    Martin 06 Slayer, Nitrous C, shoot thru, 63lb, Quiktune 3000, HAA OL 5519, Beman ICS Hunter
    Martin 06 Slayer, Nitrous C, Shoot thru, 55lb, Quiktune 3000, HHA OL 5519 2X, Easton A/C/C
    Ben Pearson 1968 'Cougar' 62" 45#s @ 28" recurve, parallel shaft POC, Zwickey 'Eskimo' 2 blade

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    guys i've been an archer for over 30 years,i know what what the i.b.o specs are generated from,everyone knows.you guys haven't been very helpful,elkslayer you need to go back to school and take a general math course. i have no idea where you came up with 28 grains light on arrow weight. 322 grains at 63lbs. is still heavier than ibo spec. 322divided by 5 equals 64.4 lbs. simple math. a bow that is rated 330-340 at 30" draw 70 lbs and a 350 grn arrow should still make 318-322 at 29" with an arrow just over ibo weight for that draw weight. the guy who stated 291 is wrong too.

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    i'm selling this bow there is nothing that can be done more to get this bow to get anywhere close to advertised speeds. martin needs to get it together better than this for me to ever buy another one.

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    Senior Member elkslayer4x5's Avatar
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    Quote Originally Posted by vegas steve View Post
    guys i've been an archer for over 30 years,i know what what the i.b.o specs are generated from,everyone knows.you guys haven't been very helpful,elkslayer you need to go back to school and take a general math course. i have no idea where you came up with 28 grains light on arrow weight. 322 grains at 63lbs. is still heavier than ibo spec. 322divided by 5 equals 64.4 lbs. simple math. a bow that is rated 330-340 at 30" draw 70 lbs and a 350 grn arrow should still make 318-322 at 29" with an arrow just over ibo weight for that draw weight. the guy who stated 291 is wrong too.
    IBO = 70# bow+ 30 draw and a 350 grn arrow, your arrow is 28 grn light of that.
    http://eastoutfitter.tripod.com/index.html
    http://www.cascadianbowmen.org/
    Martin 06 Slayer, Nitrous C, shoot thru, 63lb, Quiktune 3000, HAA OL 5519, Beman ICS Hunter
    Martin 06 Slayer, Nitrous C, Shoot thru, 55lb, Quiktune 3000, HHA OL 5519 2X, Easton A/C/C
    Ben Pearson 1968 'Cougar' 62" 45#s @ 28" recurve, parallel shaft POC, Zwickey 'Eskimo' 2 blade

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