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Main Boards => PowWow => Topic started by: Friend on August 26, 2021, 07:14:17 PM

Title: Compensating For Deer Reaction Time
Post by: Friend on August 26, 2021, 07:14:17 PM
In my younger years, hunters believed that a deer actually jumped above the arrow's flight path at the sound of the shot….hence the term ‘Jumping the String’ …With the advent of practical slow motion footage, our eyes were opened.

Was curious, as applied to whitetails, as to what focal point trad hunters used at certain distances assuming a broadside deer for the following ranges:

-10 yards
-15 yards
and
-20 yards
Title: Re: Compensating For Deer Reaction Time
Post by: Bowguy67 on August 26, 2021, 07:42:31 PM
Shoot at a calm relaxed deer. They won’t jump the string. Chuck Adam’s neurological Dr friend did a study. You need over 600 FPS at anything over 20 yards to prevent that.
Many times shooting a styk, deer oughta just stand like statues when you miss or as you shoot at them. I don’t have an issue myself and can’t believe any styk guy has that question. They’re really spooky around here but don’t move when a cedar arrow heads their way unless they’re spooked and see movement.
Long story short. Zero compensation

Just reread that. Not dising you, just in my experience they don’t jump in an area they tend to be spooky. Hope that clarifys
Title: Re: Compensating For Deer Reaction Time
Post by: Bisch on August 26, 2021, 07:47:37 PM
Although I won’t hardly shoot one at 20yds anymore, my focal point for all three distances would be the same. I like them slightly quartered away to broadside with the near leg forward. That lets me use the crease/armpit as my focal point. I’m usually looking about 3-4” above the belly line. Also, almost all of my hunting is from ground level. The elevated spots I hunt are no more than 10’ off the ground. I would rather miss under one than hit one high!!!

My personal observations have not been the same as Bowguy67. Alert deer are just wired, period. Talking about seemingly calm deer, in my experience, some jump more and some jump less. There is no rhyme or reason as to which is gonna do what!!! If you watch a lot of slomo video, it is apparent that almost every deer moves some amount before the arrow hits them. Most all of my experience is with Texas deer. I have hunted Midwest deer in KS twice, and those deer seem to be a lot more mellow than TX deer.

Bisch
Title: Re: Compensating For Deer Reaction Time
Post by: creekwood on August 26, 2021, 08:18:19 PM
I really think that the game is all about not taking a shot at an alert deer.  The consequences against having a favorable outcome are very high if they know that something is afoot. This is my opinion and it is only an opinion.
Title: Re: Compensating For Deer Reaction Time
Post by: Bowguy67 on August 26, 2021, 08:21:31 PM
Although I won’t hardly shoot one at 20yds anymore, my focal point for all three distances would be the same. I like them slightly quartered away to broadside with the near leg forward. That lets me use the crease/armpit as my focal point. I’m usually looking about 3-4” above the belly line. Also, almost all of my hunting is from ground level. The elevated spots I hunt are no more than 10’ off the ground. I would rather miss under one than hit one high!!!

My personal observations have not been the same as Bowguy67. Alert deer are just wired, period. Talking about seemingly calm deer, in my experience, some jump more and some jump less. There is no rhyme or reason as to which is gonna do what!!! If you watch a lot of slomo video, it is apparent that almost every deer moves some amount before the arrow hits them. Most all of my experience is with Texas deer. I have hunted Midwest deer in KS twice, and those deer seem to be a lot more mellow than TX deer.

Bisch

You’re hunting over bait I bet if its Texas. . That’s unnatural and prob makes em edgy I’d assume that could play the difference
Title: Re: Compensating For Deer Reaction Time
Post by: GCook on August 26, 2021, 08:29:11 PM
Some of the most edgy deer I've hunted are in Missouri during the general season.  Spooky and jumpy.
I think generally deer react more where there is more pressure.
Yes we hunt over bait here.  But it is as natural as the edge of a clover patch or wheat patch.  The feeder throws year round.  They eat at them every day. 
At our place we are out mowing, trimming trees, spraying and stuff all the time so our scent is around all the time.  I've drove up to feeders to fill them and had deer run off 50 yards and stand there to watch me then return when I leave. 
The thump of the bow is what they aren't use to.  A quieter bow is better.
Title: Re: Compensating For Deer Reaction Time
Post by: Orion on August 26, 2021, 08:34:07 PM
I don't compensate either, and I do try to limit my shots to unalarmed deer.  May hold just a tad lower if I think the critter might move at the shot, but never off the animal. 
Title: Re: Compensating For Deer Reaction Time
Post by: Pine on August 26, 2021, 08:36:52 PM
Never had a deer jump the string in the past 45 years.  :dunno: :saywhat:
Title: Re: Compensating For Deer Reaction Time
Post by: Bowguy67 on August 26, 2021, 08:49:07 PM
Some of the most edgy deer I've hunted are in Missouri during the general season.  Spooky and jumpy.
I think generally deer react more where there is more pressure.
Yes we hunt over bait here.  But it is as natural as the edge of a clover patch or wheat patch.  The feeder throws year round.  They eat at them every day. 
At our place we are out mowing, trimming trees, spraying and stuff all the time so our scent is around all the time.  I've drove up to feeders to fill them and had deer run off 50 yards and stand there to watch me then return when I leave. 
The thump of the bow is what they aren't use to.  A quieter bow is better.

So how do they react not at bait areas? The deer gotta smell you if you drive up and feed them. There’s gotta be scent on the feeder/feed. See now you say it’s natural but it’s not. How could it be as natural as anything that’s here and gone like a clover or wheat patch? I understand what you’re trying to say but nothing permanent can be like natural forage. They’d go up to that than move on after it depletes. How many times has anything made an unnatural sound per se in the woods. Deer don’t go jumping the string when a squirrel bounces off a limb, when a grouse drums, I could go on but why would you think a bow concerns them? It’s the association of anything with danger. If they had negative experience everytime a squirrel bounced off a tree they might react to the bouncing sound.. I still believe it’s the bait. Notice most guys aren’t having the same experiences and they’re not shooting over bait. Don’t you think at least it’s possible that’s why?
I see your point about pressure as well but I don’t think it could be worse than back here but I could be wrong on that point. I don’t know how they are in Missouri.
Title: Re: Compensating For Deer Reaction Time
Post by: woodchucker on August 26, 2021, 09:31:14 PM
I just aim for the elbow.  :thumbsup:
If they drop at the shot, I get the lungs.
If they don't, right through the heart.... :archer:
Title: Re: Compensating For Deer Reaction Time
Post by: GCook on August 26, 2021, 11:30:16 PM
I just aim for the elbow.  :thumbsup:
If they drop at the shot, I get the lungs.
If they don't, right through the heart.... :archer:
This.  I aim just above the elbow for the same reason.
However if you have follow through failure and drop your bow arm . . .😩
Title: Re: Compensating For Deer Reaction Time
Post by: Friend on August 27, 2021, 04:09:01 AM
 Considering that there were many trad hunters with considerably more experience than myself, I was curious whether or not if any hunters compensated for deer drop at longer ranges.

Note: All of my hunting has been from the ground since 2007
          Loosing of arrows at alert and/or wired animals is bad medicine

Have relied on the rough estimate that a deer may drop 4”s  at the yardage distance equal to the arrow velocity divided by 10. Ex.-I am shooting 170 fps…170 fps/10= 17 yards… so at 17 yards, the deer may drop 4”s.

At 10 yards – focus on a precise spot approximately ½ up the deer’s body and 3 to 4” left of the shoulder.
At 15 yards – my focal point is at the top of the heart
At 20 yards – my aim point would be center heart

Has been quite effective for myself yet, the positive results may been primarily driven by establishing a precise aim point…
Title: Re: Compensating For Deer Reaction Time
Post by: woodchucker on August 27, 2021, 05:56:20 AM
Scott, Everyone says "pick a spot"....

I started bowhunting with recurve back before compound days.
I had a tendency to shoot over their back, because your "eye" is naturally drawn to the "line" of their back.
An old timer told me to "aim for the elbow"... The elbow is easily seen, and easy to focus on. :thumbsup:

I have almost never shot under a deer since. :archer:
Title: Re: Compensating For Deer Reaction Time
Post by: Mint on August 27, 2021, 05:07:50 PM
Long Island deer are very pressured so I always aim for the top of the heart. I've noticed they jump more on those really quiet mornings. 
Title: Re: Compensating For Deer Reaction Time
Post by: JamesD on August 28, 2021, 12:46:20 PM
I like to aim just above the elbow as well. With that said I have had some deer not react until impact and others drop and go into a barrel roll away from the shot. We took two whitetails last year that performed this maneuver. Both were broadside at release, and both took an arrow between the last two ribs that went all the way to the opposite shoulder. One getting suspicious of a decoy I had set and the other perfectly calm and feeding (not on a feeder) at release. One shot at 16 and the other at 17 yards. Both had a 15 - 20 second sprint to death.
Title: Re: Compensating For Deer Reaction Time
Post by: Sam McMichael on August 28, 2021, 06:12:46 PM
When I was young and even more stupid than I am now, I took some shots at a much longer range than I should have. Essentially, they did not react except to look around to see that funny looking stick that wasn't there a moment ago. However, at closer range where the sound of the bow was more noticeable, some of them did react. By the same token, some of them did not jump. Go figure. I try to aim low in the chest so that if they jump I will still get the lungs. I haven't killed a lot of deer, but I don't recall any of these jumping the string.
Title: Re: Compensating For Deer Reaction Time
Post by: trick00 on August 28, 2021, 08:17:07 PM
Saw a study on this very topic a while back and here is what I remember. A whitetail deers reaction time is about .16 seconds. While dropping to load their legs to bolt, they can drop 12" in another .28 seconds. That equals a potential 12" drop in roughly .36 seconds.  A bow shooting 170 FPS is gonna take about .3 seconds to travel 15yds. The study also stated that in the videos they watched in slo-mo, the deer dropped 80% of the time. Its been my experience the the deer I have taken with recurves always jumped string while the ones taken with longbows is about half the time. anyway, I limit my shots to 15 yds and anything over 10 I pick a lower spot.
Title: Re: Compensating For Deer Reaction Time
Post by: Stringwacker on August 31, 2021, 07:14:15 AM
I normally aim just above the lower hairline and behind the shoulder at 20 yards or less. My experience is that in the vast amount of cases either the deer drops at the sound of the 'twang'; or you tend to shoot high out of a treestand....in some cases both happen at the same time. In either case, you still normally kill the deer.

Only on very rare occasion do I shot low because of it
Title: Re: Compensating For Deer Reaction Time
Post by: creekwood on August 31, 2021, 10:36:49 AM
A deer can go from relaxed to alert and back to relaxed in an instant. Some things you can anticipate, some things you can't.

https://www.youtube.com/playlist?list=PLqydbpDeWfnvGFEuRajOju14ISfDGeKxO
Title: Re: Compensating For Deer Reaction Time
Post by: howl on September 01, 2021, 10:29:28 AM
There is no sight picture. I visualize the heart and the arrow flying through it. Then I let it go, willing it. The mental projection falls apart if the deer moves.

Translating that to an aiming method, put your pin or whatever between you and the other side of the animal from the heart.

I hunt off the ground.
Title: Re: Compensating For Deer Reaction Time
Post by: gregg dudley on September 01, 2021, 11:34:05 AM
You have nothing to lose, and potentially a lot to gain, by choosing the heart as your aiming point.  When I decided if I missed it was going to be low, I started putting more meet in the freezer.
Title: Re: Compensating For Deer Reaction Time
Post by: kennym on September 01, 2021, 12:35:54 PM
You have nothing to lose, and potentially a lot to gain, by choosing the heart as your aiming point.  When I decided if I missed it was going to be low, I started putting more meet in the freezer.

Most misses and bad hits I've heard of are because they too high.   So this!!  ^^ :thumbsup:
Title: Re: Compensating For Deer Reaction Time
Post by: Dave Lay on September 03, 2021, 10:44:40 AM
I don’t compensate. Our public land deer are wired tight and unpredictable at how they will react at a shot. I have a huntin buddy that always holds low and has shot under as many deer as he’s killed I think. I just try to shoot as quiet a set up as possible and watch it’s body language. I’ve never had a walking deer string jump, but won’t shoot a walking one unless it’s close and walking slow.
Title: Re: Compensating For Deer Reaction Time
Post by: blacktailbob on September 03, 2021, 10:54:03 AM
Don't forget, deer drop to load their legs so they can jump, spin and run...all in that same millisecond.
So if your bow is slow they just might come back up into the arrows flight.
Title: Re: Compensating For Deer Reaction Time
Post by: Pat B on September 03, 2021, 11:21:24 AM
If you shoot at a deer chances are you'll shoot over it. Pick a spot, tuft of hair or the imaginary spot near the elbow and concentrate on putting the arrow through it.
 A calm, unaware deer is your best choice for a successful shot.
 I think it was Terry mentioning he usually doesn't remember the shots. That is full concentration on where the arrow will go and the muscle memory to back it up. I remember 2 different times when a deer walked in on me getting set, putting tension on the string but my next memory was a bloody arrow in the ground. I don't remember drawing or releasing. I was working on muscle memory after hundreds upon hundreds of thoughtful practice shots
Title: Re: Compensating For Deer Reaction Time
Post by: mangonboat on September 04, 2021, 09:47:41 AM
I compensate by focusing on clueless deer. 
Title: Re: Compensating For Deer Reaction Time
Post by: Wild Bill MCP 808 on September 06, 2021, 05:24:59 PM
In my experiences a deer usually drops close to or even a full body width at the sound of release. I've seen deer rear up and jump high after they were hit but not before. I aim at the bottom 3rd of the body which would include the elbow. 
Title: Re: Compensating For Deer Reaction Time
Post by: Eecho on September 14, 2021, 08:25:49 PM
Same here no compensation for the shot. They either just flinch or turn inside out on you. One minute your shouting at a white spot the next minute it’s a tail. The ones that run probably had a notion that something was up and the twang was all that was needed for him to decide to head to the hills.
Title: Re: Compensating For Deer Reaction Time
Post by: DNewer on September 20, 2021, 03:34:13 PM
This. From the book “Timeless Bowhunting” by Roy S. Marlow.
Title: Re: Compensating For Deer Reaction Time
Post by: Bisch on September 20, 2021, 05:27:19 PM
X marks the spot!!  ^^^^^^

Obviously, the spot changes spending on angle and elevation, but for a broadside, ground level shot, that is pretty much exactly where I aim!!!

Bisch
Title: Re: Compensating For Deer Reaction Time
Post by: Wudstix on September 01, 2022, 09:06:45 PM
Up for deer season.
 :campfire: :coffee: :archer2: :campfire:
Title: Re: Compensating For Deer Reaction Time
Post by: Wudstix on September 01, 2022, 09:23:44 PM
I focus just above the armpit.
 :campfire: :coffee: :archer2: :campfire:
Title: Re: Compensating For Deer Reaction Time
Post by: Kirkll on September 02, 2022, 09:21:57 AM
After reading this whole thread I’m surprised nobody has even mentioned the deers tail, or their ear movement …. An alert deer has its tail up, and quite often starts flicking its ears in different directions. Shooting at an alert deer, even at close range is not something I would recommend, and never do myself anymore. but if you insist on taking the shot, ya gotta shoot low.  The X marks the spot example is where I always focus anyway….

Watch their tail and wait a minute. Once that tail drops they rarely jump until they have taken the arrow in their side.     Kirk
Title: Re: Compensating For Deer Reaction Time
Post by: mnbwhtr on September 02, 2022, 09:56:07 AM
I take close shots and don't remember the last standing deer I've shot at. I found out a long time ago walking deer don't drop so I shoot them walking.
Title: Re: Compensating For Deer Reaction Time
Post by: dnovo on September 02, 2022, 05:22:04 PM
The deer I hunt around aren’t wound as tight as some you guys hunt. That said I don’t shoot at a deer on alert. Also a deer with its head down can drop faster than one with head up. I’m not much good on walking deer unless they’re extremely close. I do stop a lot of bucks with a grunt and I’m ready to shoot in that split second they stop to figure out what they heard. Works very well for me.
Title: Re: Compensating For Deer Reaction Time
Post by: dklug on September 02, 2022, 10:27:48 PM
I'm a trail hunter and as such most of the deer I shoot are walking. I've never had a walking deer jump, or more accurately, duck the string. I always hold a third of the way up the body and straight up from the front leg. The arrow impacts 2-3 inches behind where I aim, right in the crease. I've probably killed 50 deer this way. I never try to stop a deer with a bleat or bah because if you have a deer alerted to your presence all bets are off. Now all of this must be taken within limits. Obviously if you're taking a 30 yard shot the deer has more time to react, if it's within 18 yards...getting the gutting knife out. I've killed plenty of walking deer in the 20-25 yard distance that never reacted to the shot until the arrow hit.
Title: Re: Compensating For Deer Reaction Time
Post by: Gun on September 03, 2022, 05:45:05 PM
I shoot them walking too. I set up where I don't have to shoot more than 15 yds max.
I also hunt with no other pressure than from me.
Title: Re: Compensating For Deer Reaction Time
Post by: Tedd on September 05, 2022, 09:16:29 AM
I like them walking too. But it's not a requirment. A stationary deer with it's head down feeding can use it's head/neck as a counter-weight to throw the body downward. I wonder if does are more flexible than bucks? The sneaky doe drop/whirl is really impressive!
Title: Re: Compensating For Deer Reaction Time
Post by: Terry Green on September 05, 2022, 09:39:00 AM
Most places no compensation for relaxed deer.

The on the one place I use to hunt, for about 12 years in a row in TX, it took me 2 years to learn baseline or even under the deer 2-3 inches on relaxed deer.  Once I learned that I killed two 10s and a nice 8 in 40 days of hunting.  If I would have known that the 1st two years I could have taken a huge 8 and a heavy massed 10 in those 8 days of hunting.

I also leaned not to shoot quartering away there as when they wheeled I would either totally miss, or unfortunately shoot too far forward. Broadside only, with amazingly same level entrance and exit holes several times from 15 yardish shots and 15 feet up.  Amazing again at not just how low they duck but how far they lay over to bail out. :o
Title: Re: Compensating For Deer Reaction Time
Post by: Wudstix on September 05, 2022, 08:35:05 PM
TX deer do "flinch and spin" dramatically!  I try to not shoot, if I can see an eye, and shoot at the belly line or armpit.  If they drop I'm OK, but if they drop and spin it is usually a clean miss!
 :campfire: :coffee: :archer2: :campfire:


Title: Re: Compensating For Deer Reaction Time
Post by: hill boy on September 11, 2022, 11:22:02 PM
I always shoot for the heart area. If they load up the arrow will still be in the kill zone lungs or the top of the heart area. In Arkansas it is not uncommon for a deer to load up on at the shot. Even on a walking deer. I have seen some very athletic deer. There is a lot of pressure on the deer in my part of the country and they probably all have ulcers. Very skittish. I have hunted in areas or other states where this wasn’t an issue at all. I think a lot depends on the pressure