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My 3D micro arrow penetrate target harder, why?

Friction. What we also have to understand is that reduction of friction is not necessarily an increase in arrow efficiency or KE. Flesh/blood/bone works differently than a target and we're also introducing the variable of a broadhead. All that aside, I've harvested many many deer with a 394gr TAW. Durability will be different on a micro diameter shaft as well...
 
“Lubricity” is the term you’re looking for. Loosely defined as “oily smoothness”.
Been a few decades since I read the article, I checked just to be sure; I was close.—
Some possibilities for what this made-up word could be referring to:

  • It could be meant to sound like "lubricity", which means slipperiness or smoothness. So "lubrocity" could be intended to suggest those qualities in a joking or whimsical way.
(I am sort of whimsical, at times)
 
With my hunting setup all dial in, I decided to play around and make a 3D arrow. But I was really surprised how much more penetration the 3D arrows were getting compared to my hunting arrows. I'm not talking about a few inches, I'm talking almost half an arrow length different in results. All arrows fly bullet holes at 20 yards paper tuned. Broadheads and fieldpoints hitting the same.

Bow:
Mathew V3 27, 27.5 DL, 60#


Arrows:
Old setup: Easton Bloodline, .244 diameter, 28in, 400 spine, 100gr tip, 25gr insert, TAW 425gr.
3D arrow: Bloodsport Onyx .166 micro. 26in, 500 spine, 100gr tip, 60 gr insert, TAW 390gr.
Heavy Hitter current arrow: Axis 5mm, 28.5in, 340 spine, 200gr tip, 35gr insert, TAW 542gr.
View attachment 93044

This is at 20 yards, aim at the corner of the tape for heavy hitter since that is what the sight is tuned for, no surprise that the lighter arrow was higher due to speed, so I aim lower for the last arrow. All hit down the center but the micro arrow got A LOT more penetrations.
View attachment 93045
View attachment 93046

This is out to 30 yards. 3D micro arrow completely disappeared into the target block. Was even more impressed by the 3D arrow because the block was at an angle due to the heavy hitter moving the block to off center at impact. So the heavy hitter packed a punch, but the 3D arrow still penetrated better.
View attachment 93047
View attachment 93048

So out of curiosity, I put practice broadheads on them and test it out. G5 Montec and Magnus Stingers for the lighter arrows and Iron Will Wide 200 gr for the heavy hitter. I didn't take pictures of the broadheads test because the 3D micro arrow were getting complete pass-through! The result were similar to field points except more penetrations on average.

So based on result, I'm not sure I want to stay on the Ranch Fairy wagon anymore if the micro arrow wagon is getting me to places faster and with better penetration.

But I assume that there is an issue of KE that I'm not considering? That result on target block does not reflect the same result on a deer anatomy? That high FOC arrows allow for bone crushing, which I don't quiet agree with. I don't like that voice in the back of my head telling me "its ok to make a bad shot, the arrow will compensate for your mistake".

This was not a well planned out Youtube level test, just interesting observation from my backyard. Can someone please educate me on some important aspect that I'm missing? If not, I'm seriously considering switching from a 542grain high FOC arrow to a light 390gr micro arrow for my next hunt. Didn't ask this over at archerytalk because its has been argued to death and most of the time it turn ugly, just wanted to have a casual conversation with a smaller crowd. I'm aware that there is a lot of ways to kill a deer, and its all personal choice, but are you surprised by my test result?

I’ve had similar experiences with my Victory VAP .166 arrows.

U can have small diam & heavier FOC but u probably need to buy a stiffer spine & sacrifice a little speed compared to ur 500 spine 3d arrows

Following is some rough guess-estimates from a spine chart I found for blood sport:

Adding weight to the front of 500 spine arrows probably would not be desirable performance-wise, since stiffer is usually better with broadheads

Increase spine to 400 brings u up to 410-415 TAW & if use 125 tip ur at 435-440TAW

If u go to 350 spine u can end up around 440-445TAW & 465-470TAW with 125gr tip


Sent from my iPhone using Tapatalk
 
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