Just buy some 125 grain and 150 grain practice tips and see what happens. It would be easier to bump to a slightly higher broadhead weight that way without making major changes to your arrow.
I don't have any pictures from 40, but the two instagram links are from 20 and 30. I will try to get some pictures from 40 if you really want to see them. These are of the first and second arrow options in my signature. I actually cannot shoot my block target with broadheads anymore because the arrows have started blowing through it. https://www.instagram.com/p/CBhOWY0JnsS/ https://www.instagram.com/p/CEncoHyl4hj/
I watched that. I just don't know if this is a new trend. Used to be light arrows for speed, now it's the heavier the better...and I can see that, but for me, short draw really does prevent me from having moderate speed with a 500 gr arrow. I would like to stay with 60# and maybe go up to 425 ish but I don't think I would gain much unless I went up to that 450 mark, of course then I would lose fps which would then keep me from shooting one pen...I don't like to "hold low" or "High" on a live animal. I have for years held right on them from 25 yds and in killed them. it takes that variable out in the heat of the moment. the seep thing is not really what I am after as much as the simplicity of using one pin and limiting myself to max 25 yds
Trad guys have been shooting heavier arrows for thousands of years. With today's modern compounds, the speeds are so great it does not matter to lost even 30 fps. Consider the math in the table below as a sample of arrow speed and distance to determine time to target. At the white tail distances that most people hunt, it is not a factor. Arrow Speed 300 fps 275 fps 250 fps 225 fps 200 fps Distance 20y = 60 feet 0.2 secs 0.22 sec 0.25 sec 0.27 sec 0.3 sec 30y = 90 feet 0.3 sec 0.32 sec 0.36 sec 0.4 sec 0.45 sec 40y = 120 feet 0.4 sec 0.44 sec 0.48 sec 0.53 sec 0.6 sec
Arrow drop definitely increases with a heavier arrow, but it depends on how you view it. I’m shooting 67 lbs at 27.5” DL. I had my bow sighted in for my 3d arrows, which are a 400 spine GT at 378 grains. I built some hunting arrows that are 340 spine and come in at 428 grains. To see the drop distance I did this test. Target at 60 yards. With my bow and sight set up for the lighter 3d arrows, I loaded my heavier hunting arrow and aimed at the very top of the target with my 60 yard pin. Remember that my 3d arrow would hit right where my pin was held. Here’s where my 50 grain heavier hunting arrow hit. I should mention that FOC on 3d is 8% and hunting is 13%. Thats 17.5” lower than my 50 grain lighter 3d arrows. I then sighted my bow in for the hunting arrows. Bigger pin gap, but not as much as you’d think. Once that was done, I stood at 30 yards and shot a 3d arrow. It hit 2” high. Then I moved back to 35 yards and shot using my 30 yard pin to simulate misjudging the yardage by 5 yards. I shot a 3d arrow and then a hunting arrow. The 3d arrow had a total of 3” of drop. The hunting arrow hit 4” low. Perspective is different depending on what the sight is set up for. I gained a better momentum hunting arrow and a quieter shot, at the cost of only 1” of drop difference at an above average hunting distance, once the sight was changed. Even though 50 grains translated to 17.5” of drop difference at 60 yards, it meant very little at a higher end whitetail shot distance from a pin gap perspective once the heavier arrows were sighted in. FPS. The 3d arrows do 291 and the hunting arrows do 274. Sorry VA, I know that’s not what you’re asking but I couldn’t help myself to not post that. I’m still a balance guy due to my elk hunting method.
ran some estimated numbers on calculator: IBO 343 my current set up with a 450 gr arrow fps: 246 KE: 60 ft and MO: .49 61# DL 26.5 arrow weight: 390 weight on string: 40 gr fps: 266 KE: 61 ft MO .46 Doesn't seem like I would gain much at all, and lose KE by a little.. I don't know, I will plug in a 500 gr arrow and see 500 gr arrow 230 fps MO : 51 KE 58 so I gain a little mo, but lose more ke. and boat load of fps.
Just to ensure I understand....you never had to make a sight adjustment switching from the 475 grains to the 610? Sent from my iPhone using Tapatalk
good stuff..I ran some numbers so look at those. I may be looking at heavier arrows next year, but I have not seen any significant difference in ke/mo with and arrow that weighs 60 gr more ..I will put in the 500 gr and see
Exactly. This has been my experience as well. I switched to FMJ 300 spine with 125 grain heads and a lighted nock. The drop was SIGNIFICANT. But the trade off will be deadly I’m certain. Sent from my iPhone using Tapatalk
Yes, I made a sight adjustment to go from 475 to 610. I went from shooting about 265 fps on my sight tape to shooting 248 fps according to the sight tapes. I have never actually shot through a chronograph. The actual speeds could be different. This is just what I went with based upon the sighting in process. My sight is a Black Gold single pin. However, the POI between the 535, 560, and 610 arrows is so small out to 40 yards, that I did not make a sight adjustment between these three arrows. Sorry if I didn't explain this clearly. My explanation made sense in my mind, but I am talking about my own experiences. However, there begins to be a big drop off with the 610 arrow past 40 yards. The sight is set based upon the trajectory of the 610 grain arrow. Past 40 yards, I cut 5 yards off the distance for the 560 grain arrow and 7 yards for the 535 grain arrow. I only do this in practice because my hunting range for white tails is 35 and in. While hunting, I am confident that I could shoot any of these three arrow options out to 35 yards and not have to adjust my hold. If I was hunting elk this year, I would only be using the 610 grain arrow for that hunt, which is why I set the sight to this arrow. If plans go well, I will be hunting elk in 2021. I am using 2020 as an opportunity to do real life testing for this heavier arrow process. In full disclosure, this is my first year going this heavy with arrow set ups. But, everything I have seen in the process, suggests to me that my real life results will work well.
What calculator are you using? Take a look at this one, if it is not the one you used. This is more accurate to the way my set up is working. https://dynamicarcherysolutions.com/pages/arrow-speed-calculator
Not this year. If plans go well, elk, moose, and black bear in Alberta in 2021. I am hoping that my particular set up will be perfect for those bigger species and overkill for white tails.
Try this. It is based upon the Ashby Foundation science and process. https://dynamicarcherysolutions.com/pages/arrow-speed-calculator
sounds like it should be both of those things so I am wondering in the bump from .46 to 51 MO is enough to justify going heavier? up to 500 gr and lose a significant amount of fps
