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Author Topic: An offer to help  (Read 68507 times)

Offline mossback91

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Re: An offer to help
« Reply #15 on: January 18, 2010, 11:05:34 AM »
Cool offer todd

2006 Hoyt Trykon XL 30" inch draw 70#
currently shooting 29" goldtip 5575 with 100 grain slick trick and fobs with 7 inch wraps
Im curious cause ive shot both 7595 and 5575 and the 7595 dont seem to fly right.

Offline Todd_ID

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Re: An offer to help
« Reply #16 on: January 18, 2010, 12:06:11 PM »
What arrow length on the IceMan's arrows?
Bring a GPS!  It's awkward to have to eat your buddies!

Offline bonkellekter

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Re: An offer to help
« Reply #17 on: January 18, 2010, 12:23:03 PM »
I appreciate the offer - How much and where did you get the software?

2007 Browning Illusion 64/65# Gold Tip 7595 (8.9 grains/in.), 28.5" draw length, 28.5" arrow cut length, muzzy 100gr 3-blade, 4" straight fletch, standard gold tip inserts & nocks

Offline Emptyhanded

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Re: An offer to help
« Reply #18 on: January 18, 2010, 12:24:28 PM »
Could you tell me the spine for a 2006 Martin Jaguar 29" draw 60# draw. I hope that's enough info. Thanks Todd!

Offline Todd_ID

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Re: An offer to help
« Reply #19 on: January 18, 2010, 12:29:23 PM »
Cool offer todd

2006 Hoyt Trykon XL 30" inch draw 70#
currently shooting 29" goldtip 5575 with 100 grain slick trick and fobs with 7 inch wraps
Im curious cause ive shot both 7595 and 5575 and the 7595 dont seem to fly right.
Here's what I found:
Your setup is between the spines of the 5575 (.400) and 7595 (.340) since the program is saying it should shoot a .364-.370 spine.  The 5575 work, stick with them, I say.  The numbers for your setup with the 5575 are: 297 FPS, 10.96% FOC, 76.8 ft-lbs KE, 391 gr arrow.  With 7595 it's: 290, 8.8%, 79.5, and 423 gr.  Seeing that, it's possible that the under-9% FOC could have been the problem.  Get too far under 10% FOC with a fixed blade head and you'll need perfect form to control them.  The solution, if you're looking for weight gains in the arrow would be to go to 125 grain broadheads and the 7595 shafts.  That would be: 285, 11.1, 81.25, and 448.  That's a killing machine, but I probably wouldn't advise the switch unless you've got plenty of extra money to spend.

Arrow drop differences for the 3 at 20-50, KE at 50yds:
5575 and 100 gr: 25", 71.4
7595 and 100 gr: 25.9", 72.8
7595 and 125 gr: 27", 74.4
Bring a GPS!  It's awkward to have to eat your buddies!

Offline TheKid#10

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Re: An offer to help
« Reply #20 on: January 18, 2010, 12:30:29 PM »
Cool Todd!

what can you tell me about my setup?   best spine, yardage drops, best weight broadhead. ect.

2009 Bear Truth II 29" draw 50#-70# range  set at 64/65# gold tip arrows  30 1/2" cut 3 blazer vanes 125 gr  broadheads 3 blade Montecs standard nock w d loop over and under the nock

Ok, with your setup I came up with:
Your recommended spine is .329, so for 125 grain heads in a Gold Tip it's the XTHunter series in 7595 (.340).
That will fly at 271 fps with 14.03% FOC and 71.37 ft-lbs KE with arrow weight of 415 grains (all very good)
Go to 100 grain heads and you get 276, 11.82, 69.8, 390

Drop from 20-50 yds, KE at 50 yds
125 gr: 30.95", 59.17
100 gr: 29.61", 57.7

I'd stick with the 125 grain and 7595 arrows if you like them.  If you have the 5575 arrows, then I'd guess they aren't flying too well because they are way under-spined (.400) at that length.

Awesome, thanks so much Todd. That's exactly what I'm shooting. 125 gr Montecs with Gold Tip XT Hunters in 7595. Funny you should talk about the 5575's. The guy that sold me my bow said what you'll want to shoot are the 5575's and sold me a dozen. I shot them and every shot stuck into the target at a different side to side angle. (Weak Spine) So I took them back and told him what was going on and he breaks out a Gold Tip pamphlet and says whoops I sold you the wrong arrows. He took them back and gave me the 7595's and all was good. Thanks again and it sounds like from you  my setup is pretty good so I'll leave it alone.  Shoot straight Bud and I owe you a beverage of you choice should we ever meet.  KID
"Success: You get out, what you put in." - TheKid#10

Offline jackelope

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Re: An offer to help
« Reply #21 on: January 18, 2010, 12:31:32 PM »
What arrow length on the IceMan's arrows?
apparently we don't know exactly. lets say 29" for *censored*s and grins.
:fire.:

" In today's instant gratification society, more and more pressure revolves around success and the measurement of one's prowess as a hunter by inches on a score chart or field photos produced on social media. Don't fall into the trap. Hunting is-and always will be- about the hunt, the adventure, the views, and time spent with close friends and family. " Ryan Hatfield

My posts, opinions and statements do not represent those of this forum

Offline Todd_ID

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Re: An offer to help
« Reply #22 on: January 18, 2010, 12:51:46 PM »
I appreciate the offer - How much and where did you get the software?

2007 Browning Illusion 64/65# Gold Tip 7595 (8.9 grains/in.), 28.5" draw length, 28.5" arrow cut length, muzzy 100gr 3-blade, 4" straight fletch, standard gold tip inserts & nocks
http://www.pinwheelsoftware.com/ and $27.95.  The free trial version doesn't have many selections but does have all the functions active, then you download the upgrade once you buy it.

Here's what I found for you:
The recommended spine with your setup is .401, which is exactly the spine of the 5575's.  Maybe stepping up to 125 grains is feasible?  Your setup shows: 275 fps, 9.76% FOC, 69.8 ft-lbs KE and 415 grain arrow.  Go to 7595's with 125 grains is: 270 fps, 12.7%, 71.3 ft-lbs, and 440 gr.  Probably fly better and hit harder, but if the way you have it now works, then stick with it, for sure.  5577 and 100 gr is: 276 fps, 8.5%, 69.3 ft-lbs, 407 gr (not enough FOC for Muzzy, in my opinion).   Go with 5575 and 125 gr, then: 271fps, 10.9%, 70.9 ft-lbs, 432 gr.  The last is the best choice if you didn't already own the stuff, but if you're having tuning/grouping problems, then the spine and FOC issues are possibly why.

Arrow drop 20-50, KE @ 50 yds
7595 and 100 gr: 32.2" 55.2
7595 and 125 gr: 33.6", 56.3
5575 and 100 gr: 31.7", 54.9
5575 and 125 gr: 33.1", 56.1
Bring a GPS!  It's awkward to have to eat your buddies!

Offline Todd_ID

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Re: An offer to help
« Reply #23 on: January 18, 2010, 01:00:23 PM »
What arrow length on the IceMan's arrows?
apparently we don't know exactly. lets say 29" for *censored*s and grins.

I'll take the grins by themselves, thank you very much!  :chuckle:
It says: recommended spine is .400, so the 340's are a bit stiff.  The numbers: 258 fps, 11.4% FOC, 65 ft-lbs KE, 438 gr.

Arrow Drop 20-50, KE at 50
35.8" and 55.4 ft-lbs
Bring a GPS!  It's awkward to have to eat your buddies!

Offline carpsniperg2

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Re: An offer to help
« Reply #24 on: January 18, 2010, 01:01:01 PM »
that cool i have one for balistics for rifles its pretty sweet
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Offline bonkellekter

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Re: An offer to help
« Reply #25 on: January 18, 2010, 01:11:19 PM »
Thanks Todd - that is good to know, I started out with the 125 gr. muzzy's on a different arrow and was having all kinds of flight issues and the local bow shop wasn't much help (since it shot bullets thru paper they said it was ok). So I switched to the gold tips and blamed it on the arrows - turns out it was a fletching clearance issue due to improper nock and rest placement. So I bought the tools I needed & started doing my own work. I did what is called broadhead tuning and followed that with micro tuning using the eastons tuning guide and with my current setup I am shooting great but I do want to return to the 125's now that I know what was going on. It was too late this season to make the change back. So I will likely switch back to the 125's when I replace my string in a month or two.

Thanks again
Ryan

Offline mossback91

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Re: An offer to help
« Reply #26 on: January 18, 2010, 01:19:27 PM »
Cool offer todd

2006 Hoyt Trykon XL 30" inch draw 70#
currently shooting 29" goldtip 5575 with 100 grain slick trick and fobs with 7 inch wraps
Im curious cause ive shot both 7595 and 5575 and the 7595 dont seem to fly right.
Here's what I found:
Your setup is between the spines of the 5575 (.400) and 7595 (.340) since the program is saying it should shoot a .364-.370 spine.  The 5575 work, stick with them, I say.  The numbers for your setup with the 5575 are: 297 FPS, 10.96% FOC, 76.8 ft-lbs KE, 391 gr arrow.  With 7595 it's: 290, 8.8%, 79.5, and 423 gr.  Seeing that, it's possible that the under-9% FOC could have been the problem.  Get too far under 10% FOC with a fixed blade head and you'll need perfect form to control them.  The solution, if you're looking for weight gains in the arrow would be to go to 125 grain broadheads and the 7595 shafts.  That would be: 285, 11.1, 81.25, and 448.  That's a killing machine, but I probably wouldn't advise the switch unless you've got plenty of extra money to spend.

Arrow drop differences for the 3 at 20-50, KE at 50yds:
5575 and 100 gr: 25", 71.4
7595 and 100 gr: 25.9", 72.8
7595 and 125 gr: 27", 74.4

Thanks Todd!
I'll prolly switch to the heavy side in the spring.....I dont really like flinging illegal arrow weight :chuckle: But Id rather be illegal with great arrow flight than legal with horrible flight.........Plus heavier is always better!

Offline Todd_ID

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Re: An offer to help
« Reply #27 on: January 18, 2010, 01:21:29 PM »
Could you tell me the spine for a 2006 Martin Jaguar 29" draw 60# draw. I hope that's enough info. Thanks Todd!

Some assumptions I made are:
125 grain heads
29" Easton ST Axis arrows
3 Blazer fletched
The 340 ST Axis would be right on the money for spine for these assumptions.  It would be: 259 fps, 12.9% FOC, 69.6 ft-lbs KE, and 467 grain arrow.  That looks like a damn good hunting rig!  It said it needed a .352 spine for 125 grain heads and .364 for 100 grain heads.  For 100 grain heads it is: 264, 10.85, 68.5, and 442 gr.  Nothing wrong there, either, but the 125 grain heads get you closer to matching the spine of the needs of the bow with each weight head.

Arrow Drop 20-50, KE at 50
100 gr: 34", 58.4
125 gr: 35.6", 59.3
Bring a GPS!  It's awkward to have to eat your buddies!

Offline Todd_ID

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Re: An offer to help
« Reply #28 on: January 18, 2010, 01:25:56 PM »
A couple notes here:
If you happen to know the arrow speed and/or arrow weight you have now, then let me know, and I can tweak the program to be almost perfect.
Also, the 20-50 yard drops that I am giving mean that if you shot at a 50 yard target with your 20 yard pin, then that's how much drop you would see.
Bring a GPS!  It's awkward to have to eat your buddies!

Offline Emptyhanded

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Re: An offer to help
« Reply #29 on: January 18, 2010, 01:29:04 PM »
Thanks for the info Todd!

 


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