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Well It Happened. Drew an AZ Elk Tag.

Jackalope

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Did you shoot them both at 20 as well? If not, I can promise you your POI is lower at shorter range too. So with sights adjusted according for the heavier shafts, you’ll see the trajectory is not nearly as different as you imagine at this point.

I didnt tonight. But I guarantee your right. When shooting 230s and 445s at 20 with the 20 pin, the poi on the lighter shafts is almost 6 inches higher.
 
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jagermeister

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So looking at it. Shooting the 20 pin for 40 yards has about 11 inches of drop on the 350gr arrows and 17 on the 445gr arrows. A difference of 6 inches.
Am I looking at this incorrectly? I'm seeing a 13-14" drop with the 350gr arrows and a 22-23" drop with the 445gr arrows.

Are both types of arrows the same length? Same spine? I see your vanes are different... Maybe one brand has more drag than the other? Have you shot bare shafts through this bow?

I agree with Brock that I think you could just recalibrate your sights, shoot it til you're comfortable, and then go out and kill an elk with it. 100% realistic and 100% feasible. However, if it were MY personal bow, my archery OCD would not allow me to continue without ruling out potential efficiency-robbing issues. Vane contact, nock height, cam sync/timing, etc. Trust me when I say this... The Strother Infinity is one of the trickiest tuning bows you're gonna find. It DOES NOT match up to published cam timing specs. It has to be tuned according to perceived "feel" and observed performance. I pulled my hair out with mine for weeks until I finally met up with Milo for a day, and we were finally able to dial it in. Your paper tune may look "good," but just the slightest bit of variance in cam sync could cause a lowered trajectory. Is it the end of the world? Not necessarily. But misjudging yardage and hitting 9" low instead of 3" low could make a difference in success vs. failure.
 

Jackalope

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Am I looking at this incorrectly? I'm seeing a 13-14" drop with the 350gr arrows and a 22-23" drop with the 445gr arrows.

Are both types of arrows the same length? Same spine? I see your vanes are different... Maybe one brand has more drag than the other? Have you shot bare shafts through this bow?

I agree with Brock that I think you could just recalibrate your sights, shoot it til you're comfortable, and then go out and kill an elk with it. 100% realistic and 100% feasible. However, if it were MY personal bow, my archery OCD would not allow me to continue without ruling out potential efficiency-robbing issues. Vane contact, nock height, cam sync/timing, etc. Trust me when I say this... The Strother Infinity is one of the trickiest tuning bows you're gonna find. It DOES NOT match up to published cam timing specs. It has to be tuned according to perceived "feel" and observed performance. I pulled my hair out with mine for weeks until I finally met up with Milo for a day, and we were finally able to dial it in. Your paper tune may look "good," but just the slightest bit of variance in cam sync could cause a lowered trajectory. Is it the end of the world? Not necessarily. But misjudging yardage and hitting 9" low instead of 3" low could make a difference in success vs. failure.

I surely won't rule out that something else could be amiss. But for the percieved 22-23 inch drop I calculated it at 17-18 due to the 6 inch lower POI on the first group.

The first target was shot for 40 at 40. Naturally the heavier arrow hit lower. Later when I shot for 20 at 40. The difference in the two groups of similar arrows would be their individual calculated drop from 20-40. Easier than setting the sights at 20 and 40 for both sets of arrows and measuring them. Wasn't too concerned with where they hit paper only the distance between groups.

20190607_003515.jpg



To brocks point though the lighter arrows probably have more drop than this demonstration shows as their poi at 20 will be higher than the heavier ones at the same distance.
 
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giles

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Simple man thinking, as I don’t know wtf you guys are really talking about, but I get the concept... Why are you even messing with the lighter arrows? Sounds like you know you want/need to be throwing sharp bricks, why not concentrate and focus on those?

I’d be tuning myself to the heavy ones and if I didn’t like something, then I’d turn to spine or length or whatever. Seems to me like a waste of time and energy messing with the old arrows. I always here talk about form, form form...changing the weight has to mess with form.
 

Jackalope

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Simple man thinking, as I don’t know wtf you guys are really talking about, but I get the concept... Why are you even messing with the lighter arrows? Sounds like you know you want/need to be throwing sharp bricks, why not concentrate and focus on those?

I’d be tuning myself to the heavy ones and if I didn’t like something, then I’d turn to spine or length or whatever. Seems to me like a waste of time and energy messing with the old arrows. I always here talk about form, form form...changing the weight has to mess with form.

It's a valid point. Mostly because like everything in life there's a balance. Flatter trajectory with less weight means you don't have to be as accurate with off the cuff yardage estimates. The downside is you have to be more selective with your shot location. The heavier arrow has more penetration if something goes wrong, or you need to take a hard quartering shot or a frontal. But theres a give and take is 95 grains of added weight worth an extra 6 inches of drop at 40 yards.
 

giles

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So start training yourself to judge yardage and stick to the bricks. Like the kid in high school with the football, start carrying a rangefinder. Seems simple from the outside looking in. The equipment is going to do what the equipment is going to do, training yourself is the battle here.
 

Jackalope

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After may days of tinkering and tuning and bare shafting and pulling my hair out I've resigned to the fact that "it is what it is".

Jbrown is seeing about 12 inches of drop from 20-40 with a 506 grain arrow. I'm shooting 1 grain heavier and seeing 21 inches of drop. Same bow, same draw length, same poundage. He measured up his bow and I dialed mine to those exact specs. Brace height, ATA, top and bottom cam time to the 32nd of an inch, rest height, all identical. Paper tuned & shooting bullet holes..... Guess what.. Yep still 21 inches of drop. Talked to @Milo last week and he recommended bare shaft tuning at 20&30 yards to get the bare shafts hitting with the fletched shafts...

Yep.. Did that..
robinood.jpg




Guess what... Still about 21 inches of drop. The below was shot with the 20 pin at 20/30/40 yards.. About 7 inches of dropfrom 20 to 30, and then an aditional 14 inches from 30 to 40

dang.jpg
 

OhioWhiteTails

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Like you said, it is what it is, puzzling as it may seem. The good news is that your form was duplicated at least once! Good shot! I wouldn't worry too much about the drop considering the size of the kill zone. How are your pins set up and do you plan on shooting farther than 40yds?
 
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After may days of tinkering and tuning and bare shafting and pulling my hair out I've resigned to the fact that "it is what it is".

Jbrown is seeing about 12 inches of drop from 20-40 with a 506 grain arrow. I'm shooting 1 grain heavier and seeing 21 inches of drop. Same bow, same draw length, same poundage. He measured up his bow and I dialed mine to those exact specs. Brace height, ATA, top and bottom cam time to the 32nd of an inch, rest height, all identical. Paper tuned & shooting bullet holes..... Guess what.. Yep still 21 inches of drop. Talked to @Milo last week and he recommended bare shaft tuning at 20&30 yards to get the bare shafts hitting with the fletched shafts...

Yep.. Did that..
View attachment 80775



Guess what... Still about 21 inches of drop. The below was shot with the 20 pin at 20/30/40 yards.. About 7 inches of dropfrom 20 to 30, and then an aditional 14 inches from 30 to 40

View attachment 80776

Stupid question, and not even sure if it matters, but did you guys switch arrows and give them a try in each other's bows to see the same results?? I'm assuming there's a chance they're different brand arrows, or spine or even production run?
 
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brock ratcliff

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Masons 3 d rig, 12 inch difference. My hunting bow, shafts are 8.1/inch, aluminum insert and 100 grain tip. No idea on total weight but it is not a very heavy shaft - 19” drop from 20-40. I think your set up is perfectly normal!
2EF6794A-4EE8-4A69-A9A8-943F840F0636.jpeg
 

brock ratcliff

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And mine would have been probably an additional three inches with a 125 grain head. I may go shoot one after a bit just to see.
 

jagermeister

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Stupid question, and not even sure if it matters, but did you guys switch arrows and give them a try in each other's bows to see the same results?? I'm assuming there's a chance they're different brand arrows, or spine or even production run?
Our arrows are indeed different. That's the only thing left to try. At the summer gathering next month hopefully we can test the two bows side by side. I really don't know what to make of all this. My bow does have a sweet custom paint job, so maybe it just feels better about itself and therefore performs better? 😂
 

Jackalope

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Our arrows are indeed different. That's the only thing left to try. At the summer gathering next month hopefully we can test the two bows side by side. I really don't know what to make of all this. My bow does have a sweet custom paint job, so maybe it just feels better about itself and therefore performs better? 😂

If we can find out what makes an 8 inch point of impact difference between a 507 and a 506 grain arrow, we'll own Easton Archery inside a month. :ROFLMAO:
 
Hi guys, first post here. From SE Ohio. I’m headed out to a Colorado draw unit for archer this September. I’m pumped. Went in 2016 with a rifle and it was fun...but only saw elk for a split second and couldn’t get a shot. This time I’ve done my homework and I’m getting in good shape.

I’d highly recommend listening to every Paul Medel (Elk Nut) Podcast you can...especially the two he did on The Rich Outdoors. He also has an app where he teaches when and how and why to make all the elk sounds needed.

Corey Jacobson’s app Elk101 is also a good resource for an overview of elk hunting.

I have so much more confidence going in this year. I know that doesn’t equal elk down but I know I’ll have much better odds this time even with a bow in my hand. Good luck man, it’s going to be a fun fall!


Sent from my iPhone using Tapatalk
 

Jackalope

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Hi guys, first post here. From SE Ohio. I’m headed out to a Colorado draw unit for archer this September. I’m pumped. Went in 2016 with a rifle and it was fun...but only saw elk for a split second and couldn’t get a shot. This time I’ve done my homework and I’m getting in good shape.

I’d highly recommend listening to every Paul Medel (Elk Nut) Podcast you can...especially the two he did on The Rich Outdoors. He also has an app where he teaches when and how and why to make all the elk sounds needed.

Corey Jacobson’s app Elk101 is also a good resource for an overview of elk hunting.

I have so much more confidence going in this year. I know that doesn’t equal elk down but I know I’ll have much better odds this time even with a bow in my hand. Good luck man, it’s going to be a fun fall!


Sent from my iPhone using Tapatalk

Hey welcome to TOO. I've listened to two of Paul's podcasts on TRO and downloaded hi is app. Dude really is a nut for elk, you can hear it by how off the wall excited he is. Good luck in Colorado.
 
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