Speed vs. Arrow Weight Profile: Killer Instinct Diesel X
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- Опубліковано 2 жов 2024
- Today's video is pretty simple: A speed vs. arrow weight profile for my new Killer Instinct Diesel X. Using my chronograph, I measured the Diesel X speed for arrows as light as 391 grains and as heavy as 638 grains. I then put that data in excel and build an entire speed vs. arrow weight profile for the bow for all arrow weights (in 1 grain increments) from 391 grains to 700 grains. And since we have both speed and weight, I calculated kinetic energy and momentum for all combinations. If you buy a Diesel X and don't have a chronograph, this profile has you covered!
Link for Diesel X Speed vs. Arrow Weight Profile: drive.google.c...
*Use Promo Code: DRAGGINDEER to save 10% OFF you're entire cart at killerinstinct...
Products Use:
Killer Instinct Diesel X: (amazon) amzn.to/43tSVfw
Caldwell Chronograph: amzn.to/3qwWseF
KI HYPR Arrows: amzn.to/3P1SFAg
Sirius Phoenix Arrows: siriusarchery....
Sirius Ranch Fairy Test Kit: siriusarchery....
Bog Death Grip Tripod: amzn.to/3N2SFi6
Lumix Speedring Scope: amzn.to/3OIMNvq
Bag Target: amzn.to/45xTMxk
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Awesome Info! I just bought my Diesel X, It arrives tomorrow and this answers a LOT of questions. Thank you. I Subscribed.
Excellent, glad you found this helpful! Enjoy your diesel x 🤘🤘
What kind of accuracy can we hope for with 300 grain broadheads?
I'm not sure, depends on several factors. However I'm confident you can get an arrow/insert/broadhead setup dialed in to shoot the 300 grain broadhead you like.
So, what I want to ask is, for hunting at 40 or 50 yards, what is the initial speed at which you can easily handle hunting? I would like to choose the appropriate arrow weight based on this initial speed, and I look forward to your reply very much
Perhaps sometimes the hunting distance can reach 60 yards
Question so overall the heavier the bolt the slower the speed however better the penetration give the bolt pass through result?
Correct, heavier arrow I’ll have more momentum and penetrate better but be slower. Heavier arrows are also more stable in flight (less impacted by wind).
My broad heads are on average 6 grains (139g)are lighter then the field tips (144.5 gr) the chart shows the velocity of the broad head would have a weight 414grain/velocity 382.388 while the velocity of the field tips, weight 417 grain/ velocity 383.339, If I use the field tips to zero with the speed ring and set the zero to strike 1/2” lower then the point of aim, do you think the broad heads would be striking the aim point? Or would they be striking higher.
So far I am extremely happy with my new diesel x! Going for deer and turkey this weekend in northern AZ! Can't wait! So far it shoots amazing and hits hard! I'm sticking 6 inches out the other side of my target and having a hard time getting the bolts back out! Beast mode!
Glad you’re lovin’ it! Good luck this season!
Will this info work with the KI fierce 405 crossbow
It might be close but won’t be exact.
I am thinking since they are both 405 fps, it should be as accurate as comparing different diesel x 405s I think they that all will be close. Just like factory ammo, there is often a wide difference from ammo in the same box shot out of the same gun
Thank you very much for the cheat sheet!
You're welcome!
Wow, lots of good info! My SpeedRing scope told me I was at 370fps with my 505-510gr setup, and your chart is showing 355-360, so either my Diesel is shooting just a tad faster or my SpeedRing is being generous, lol. Either way I love my Diesel X (bought on your recommendation) and am more than happy with the accuracy and power. What a fine weapon KI has given us; kudos to them and to you for helping us get the most from our equipment. 👍👍
Glad ya liked it 👍👍
Hey with these bows you can’t wax string or anything can you??
yes you absolutely can wax the string
I just shot my new Dieselx tonight. I used your values for the arrow weight and speed for the adjustment of the speed scope, dead on! Thanks for the information and hard work.
Heck yeah awesome!! Glad this was helpful 👍
In short, what I want to ask is, what is the initial speed for hunting within a distance of 50-60 yards? Considering the attenuation of kinetic energy
Any crossbow over 350 FPS (which is 90%+ of them) will be be just fine at those distance from a KE/Momentum standpoint.
Okay, thank you for your reply, but I also want to ask, if I use a heavy arrow with an initial speed of only around 330, can I still achieve it?@@draggindeeroutdoors
Awesome info as i will be buying the diesel x this week and want to shoot heavy arrows. The speeds seem decent at higher weight.
Glad you found this helpful! Diesel is an awesome bow, I think you'll really like it!
Thanks Matt. I think this also is useful to just see what drop off you can have from different weights, regardless of your crossbow. I shoot a 385fps rated crossbow and use a 578gr. bolt and always assumed I was shooting around 350, after watching this, I am likely closer to 330. Appreciate the effort and time.
Glad you found it helpful, Adam! Thanks as always for the support!
Another great job on this review and video! I'm going through a similar test with my new M-370. I've already noticed a speed difference between the carbon arrow and the XX75 aluminum arrow both with the same 100 gr tip. This was an extensive amount of work and quite detailed. For a follow up I'd love to see how these different arrows fly and impact the target at say 30 yards?
Thanks, Ron! I can definitely do an accuracy video as well.
Thanks Matt, a friend of mine and fellow UA-camr has given me some 175 grain ToothOfThe Arrow heads, and I have many 100 and 125 heads, so I'm trying to figure out what weight I'm using this Fall!
@@boomerrangerron love it. Tis the season to tinker!
Awesome video Matt. I recently bumped my arrow weight up to 535. If the Swat X1 is close to the diesel x I should be around 345 fps. Great information Sir
Thank you, James! Im going to do the same profile for the X1. When I first shot my X1 out of the box, 395 grain arrow was 389 FPS. 500 grain was 352. So similar to the Diesel X, maybe a smidge slower.
Yes Sir. Putting it down.
Say which cbow to get. I was snap well ten dollars from buying ripper 425 last fall. Now discontinued guess glad didn't. Looking get fatel x, rdc say its not good get different crank, diesel x,vital x, Barnett ,bear,center point this is exhausting if i get junker stuck with it till next year .
Good job on video.like always great stuff. From ur Ole hillbilly buddy stay safe.
Thanks, Paul!
Awesome video Matt! Very informative as always. Thanks for taking the time to do the video bud. 👍👍
Thank you, Jim! Glad you liked it!
Thank you for the helpful videos and the reviews on the Killer Instinct X bows. I am interested in buying one. Question: Can I add more weight up front on the stock 390 grain bolt and still expect good arrow flight or do I need a heavier spine bolt? I’d love to be able to save money and use the 390 grain arrows that come with the Killer Instinct but use a heavier broadhead.
Yes you can add weight to the KI HYPR's. I usually pull the stock inserts out and run a 110 insert in them with a 150 grain point. Works really well. Thanks for reaching out, hope you pull the trigger on a new bow!
Do you think the strings settle after a while making it a bit slower ?
Yes that is very possible 👍
Great video i shoot 550 slower than you do 600s lol i am around 285fps with 0.7-0.6 from 0-50 yards.
Thanks, Chris! 550 is a great setup, if it flies true don’t worry about the speed. 285 is plenty fast 👍
@@draggindeeroutdoors absolutely it is. Cant really ask for a lot from a recurve crossbow.
Accuracy is number one always.
Also do you have this chart assessable for us to download and use?
There’s a link to the chart in the description!
The Promo Code doesn't work...Also, what is the difference between the Killer Instinct Diesel X & Vital X?
The promo code does work (just tried it to confirm). Code is “Draggindeer” there are many differences and similarities between the diesel and fatal, we’ll do a video on that 👌
@Draggin' Deer Outdoors I just tried the promo code again and it worked this time! I was asking about the difference between the new Vital X vs Diesel X not the Fatal X lol.
@@draggindeeroutdoors now the promo code isn't working again...
@@mattkiser9965 if the code has already been applied to your cart and you enter it again, it will say invalid. If you clear all promo codes from your cart and add the Draggindeer code….it works just fine. Essentially you can’t enter the Draggindeer code multiple times.
@@mattkiser9965 we’ll do a video that covers all 3 bows, similarities and differences
I bought one about 1 week ago so this is great info for me
Excellent! Glad it helped 👍