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300 or bust
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Discussion Starter #1
Alright here is my setup:

Bowtech OG
65#
30" DL
1/8 Tru peep
D loop (no brass on string)
Maxima 350's (28.75")
100 grain heads and BH
blazers (3 fletch)

On target says im underspinned, please help?

I was thinking about going to the CX 3d selects but according to CE's website the 300 would be good enough, but according to On Target i need to go to 400 spine

Please guys let me know which to trust and believe?
 

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well maybe my set up might help 29 inch arrow 30 inch draw 70# ce 3d selects 300 with 80 grain tips and they paper tune on the stiff side so 100 grain tips might help the spine.
 

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One of the main things to watch with ontarget2 is when measuring your shaft just measure the tube no nock and no point or insert and you should be spot-on
Cheers
Peter
 

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300 or bust
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Discussion Starter #4
i put in the tube length 28.75" and like i said On Target says im underspinned.
 

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This is the screen shot when I ran it through
Looks ok
Cheers
Peter
 

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300 or bust
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Discussion Starter #6
for some stupid reason i cant post a screen shot

the only difference between the your settings and mine is i set the cam option to 2 cam hard whereas on your screen shot its set to 1 cam hard

are the binary's calculated in on target as a hard single cam or a hard dual cam?
 

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The Maxima 350s look reasonable for your setup. They have a static spine rating of ~0.340.


http://www.progency.com/

Has a download for a "free" program call ScreenRip32. It works great for doing screen grabs.

If you can post a screen shot of the program with your settings, that might shed light on what you're seeing.
 

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300 or bust
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Discussion Starter #9 (Edited)
i had to play around with the size of the window until i made it small enough to fit file size requirements. Monitor resolution was making file to big to attach.

i do get perfect bullet holes through paper, with and without fletching at 10 yrds
 

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300 or bust
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Discussion Starter #10
ttt
 

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Discussion Starter #11
:bump: 1 more time
 

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Discussion Starter #12
:bump: last time PSI works help!
 

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Kurt,

Try getting rid of the 1" overdraw. Enter 0 and see where you end up.

Subtracting your Shaft Length from your Draw Length (30.0 - 28.75 = 1.25) shows that you don't need any overdraw.
 

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300 or bust
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Discussion Starter #15
Kurt,

Try getting rid of the 1" overdraw. Enter 0 and see where you end up.

Subtracting your Shaft Length from your Draw Length (30.0 - 28.75 = 1.25) shows that you don't need any overdraw.
Ill give it a shot
 

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Discussion Starter #16
Ausie or Psi

I changed the overdraw to 0.00 and On Target still says underspined

any suggestions?
 
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