How Pellets and Slugs are Stabilized | AB101 Pt.9
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- čas přidán 28. 08. 2018
- Diabolo pellets and bullets/slugs are completely different, and therefore require different barrels to reach their full potential at longer ranges. In this episode we look at how these projectiles differ, and how we can stabilise them.
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You are the Einstein of pellet flight , the Airgun industry should one day give out an award for your contribution to this sport !
😂
You can’t contribute common sense
Ok Matt, now you’ve out done yourself! I can only imagine how much time and research this video took. I see you every year at EBR. You are the mad scientist of our sport! I also meant to thank you last year for your work, as I did very well in the sport class. I cought up with Ted and thanked him, and missed you. Without your knowledge I would not have done as well! I check your vids and listen to everything you say. Been shooting all my life and I still learn so much from you. See you in October. Thank you! Keith
this series is so amazing and informative, i'm going to have to watch each episode multiple times to have any chance of absorbing so much fascinating information... and i'm looking forward to each and every viewing! Thanks for all your exhaustive research and teaching, Matt!!!
Another great vid Matt. I know that took a lot of your time to make and I appreciate that from you. You are The Man !!
Matt your incredible, the amount of knowledge you bring to your subscribers shows how dedicated you are to the sport and hobby of air gunning. You never fail to amaze me, the amount of time you put in, to research and prove your theories, and then share them with us, deserves my respect. I have learned so much following you, my abilities shooting air rifles have improved noticeably. Keep it up,Cheers.
SOOOOO been looking forward to these videos!!!! I'm stoked they're back on the drawing board! Thanks Matt!!!!
Brilliant stuff Matt, very informative and put across in an easy to understand way. Been saying for years that everything to do with airguns has evolved except what we actually put through them. Fantastic that you are sharing your valuable knowledge on this subject with us. Keep up the great work and thank you.
Great information, Matt!
Wow!! Despite the wealth of information out there, this is HANDS DOWN some of the most informative content I have ever seen. Kudos on a top notch informative video!!!
Thanks, Matt. Well done, and without scaring viewers with math monsters. I find it fascinating that a centuries old technology can still hold mysteries that, once investigated and solved, produce such amazing performance improvements. More, please! Jess
When you want performance, math is your friend, friend. It sure beats guessing and coming up with false conclusions, but is still not immune.
Couldn't agree more. Unfortunately, many people are nearly phobic about math and run the other way when it is used to explain things like ballistics, especially here in the USA. I suspect the culprit is how math is taught in our public schools, too often convincing kids that math is a foe rather than a friend. Jess
Great info Matt, really love seeing the shift to slugs in the AG world!
Hi Matt, absolutely amazing. Simple with good illustrations for us commoners.....make South Africa proud.
Dang excellent video Matt.....the best production out there on this topic.
Awesome
Thanks for very much for this very informative series - I'm looking forward to seeing the next one.
Love this series! Keep them coming, Matt.
I absolutely enjoyed this video Sir. Your team did a great job on this episode. Your channel is the Best on explaining firearms and what they do and also bullets to. Well Done and my favorite episode.
Matt that's some fantastic info sir, thank you. I am avid powder burner hunter and use this for my hunting. I now have the info I need to better my airgun hunting adventures. Keep it up sir.
Wow, one of the best videos Ive seen yet on pellet motion, thank you indeed
Great video! Really looking forward to the rest of this series.
This is one of my favorite aspects to airguns. You have this emerging technology and knowledge coming out of the sport that is really pushing it past all preconceived boundaries. Precision long range airgunning is the future.
The past 5 or 6 years has been exciting. The next 5 are going to get really crazy. Ohhh YEAH!!!!
I didn't realize there was so much to consider when purchasing your first pellet gun. Thanks for sharing this with us.
Thanks for this Matt, this helps explain a lot. I have been testing out some slugs in my air rifle with some pretty good results, I will have to find out what the twist rate is of the barrel. Really appreciate you and your channel, you have done so much for the airgun industry, cheers!
Very informative video...66 years old and I have learned something useful today. Have been pellet gun hunting for about 60 years and did not know this...grin...now I know which pellets to use in my rifle...thank you for your work!
Very very interesting.. Many things that i've thought about in the past, but never thought it would really matter to any airgunner .. You are truly a precision shooter Matt, nice to hear someone care more about deep facts than simple satisfying results
Awesome..........I can't stop watching these. The most profound thing said in the air gun world in the last 10 years "build the project around the gun". Why are we limiting ourselves to 900 fps; brilliant.
Brilliant presentation,
Great video keep up the good work you're my inspiration and I've learnt alot from you
I watch youtube every day. you are the best expert and make the best videos explain about airgun and airgun shooting. Greeting fron your neighbour country Zambia !
Fantastic stuff matt! This was very educational....👍👍👍
Three years late but brilliant presentation. It's very counterintuitive coming from centerfire rifle shooting, but you explain the differences very well. What an exciting time for air rifles. There are going to be some amazing developments in the coming years. TNX
5 Years later but.. Absolutely awesome information. Thank you.
One word, excellent!
This was awesome! I love this science stuff. Matt, your the best in describing this stuff.
Your videos are great. I have 2 years of college level Physics and a Bachelor of science Electrical engineering and at minimum, double the amount of years of experience shooting. I have seen your presentation on bullet behavior from other imaginary experts. There are no physics equations that predict any spinning object becomes OVER-STABILIZED from to much rotation, even if the center of gravity is off center. The exact opposite is predicted by actual physics. The faster any object spins the more stable and resistant to change it becomes. If it is out of balance the rotational force can exceed the outward force caused by the imbalanced center of gravity. When you sum the vectored forces the effect is not a wobbling spiral. Wobbling spirals are caused from not enough spin to properly stabilize, not to much spin. The bottom line is the faster anything spins, even out of balance the more stable it becomes. The only ways this is ever not correct, is when the speed of the bullet is fast enough to cause the bullet to be stripped by the rifling, where heat, friction, or centrifugal force causes the bullet to melt or loose its shape changing how air friction acts on the bullet during it's flight. Shooting lightweight bullets in high twist rates causing them to become over-stabilized is mythological nonsense. I have shot .224 40 grain out of a custom 1 in 6 twist and they are not over stabilized from to much spin.
Spin drift is also myth.The bullet is spinning perpendicular to the direction of force that spin effects movement of the spinning object and the net force is zero, equaling zero spin drift. One would have to have the bullet spinning off perpendicular to direction of travel for spin drift to happen. And your statement about rate of spin changing during flight was off. The RPM will remain the same through flight unless friction from air acts in a way to reduce RPM. The RPM remains the same and is independent of velocity.
Deplorable Delusion haha I think this one deserves a response from the creator.
Super nice video Matt
Thank you so mutch !
I have learn so mutch from this videos and understand how everythink works .
Verry good work ! 😁👍🏻
Wooooooooow once again awesome informative video....Matt 👍🏼👍🏼👍🏼
Some good info there. Keep up the great work.
A lot of people really don't understand the science behind it so you explaining this in depth is awesome, I myself have experimented with many different pellets for my break barrels and I've found that the 10.6 grain crosman copper magnum Diablo style pellets work best for my guns. I've used everything from gamo red fire pellets all the way to crosman hollow points and none seemed to carry very good tragectory. As for pills for pcp airguns I have yet to experience the difference as I do not own one.
This is the first video of yours I have watched. Highly informative and very interesting. I will be subscribing and watching more of them.
Great vid. I'd love to see this topic revisited where you start talking about increasing projectile weight (or decreasing it) to tune the projectile to the distance and twist of a particular gun.
Projectile shape (long-slender, short-fat) and projectile weight, AND twist rate, all work together in the 'stabilization' circus.
Fantastic video
Great video really makes you think about all the technology to produce an accurate airgun.
very informative, well done
Very detailed. Greetings from Philippines Matt!
Hello Matt. I have also been delving into the study of air rifle ballistics for quite a while and have to agree with you on every point. That most pellets are over spun, manufacturers not knowing what they doing and the subtle importance of velocity in both spin and aerodynamically stabilized projectiles. Running many simulators and have found a few sweet spots in both designs. Slug research was very advanced in Germany in WW2 for heavy artillery. Even by today's standards. Just unfortunate there was never a crossover in tech to the smaller arms. By adapting that research into air rifle tech I think there is a lot we can gain from it. A sort of highly aerodynamically stable slug with extremely high bc. The other concept I would like to test is how accurate a completely smooth bore air rifle can be using modern tech. In the simulators I'm using, there is a relationship for springers between piston mass and barrel friction. By cutting down on friction, you can have a corresponding massive decrease in piston weight. Hoping a choke with smooth bore may offer the very low values required (or an fx barrel), and the needed velocity to make it more stable than the air rifles of old. Pellet quality a given though. Found a way to have high quality blanks made cheaply too. If you interested, it would be great to share some ideas and concepts. :)
This is EXACTLY what I was looking for as I’m designing less lethal paintball projectiles. Thanks
Very informative, a very dynamic and complex subject. Thanks for the explanations.
Hi Matt. Your tutorial videos are so good. You always explain things very well. I’ve learnt so much and watch your videos with a lot of interest. Regards from Perth W.A. 🦘
Awesome Video, you are doing a great job of explaining everything.
Good info and thanks for all the time and work as well as cost you have put into educating air gunners . Marvin
That was EPIC!!
very informative. good job Matt and thank you very much.
Excellent Information. Thanks man.
First-class camera equipment and incomparable exquisite post-production, the picture effect is better than Hollywood blockbuster. Come on! 💪
Been waiting matt 😁😁👊👊
Great as always.
Awesome video!
Great video!
"Father of Modern Airgun". You know your stuff.
Remarkably Informative!! Thanks!!!
Thanks for this great information, I can't wait to try slugs.
Hi matt I watched a video you made on the air arms ultimate sporter a while back and managed to purchase one secondhand with a rat works regulator fitted great rifle first time out I shot 75-80at my hft club today and achieved my personal best and top gun so very pleased with it keep up the good work Neil
Thanks Matt! as usual very useful info
Very interesting topic and well presented. Thanks.
HD video man...love the quality!!
Very informative video, I had only seen Ted's Holdover video explain the importance of too much fps (850-900max if remember) can cause destabilisation of the projectile. Just getting back into airgun shooting and learning something new every day. Subscribed... :)
thank you very much Pro for your inside ! very interesting infos and experiances of you you are sharing openly Rg Bernd
Nice one matt , cheers mate!
Hey Matt you know your stuff. Been in to air riffle’s now for a few years now & I wish I had your knowledge 🙏
good work bro 👍👍👍
Wow, I feel like the air gun industry is going through a rapid revolution with all the technology that’s being innovated. I can’t imagine where we will be in the next 10 years.
Thank you for explaining so much. Thumbs up for me.
Excellent!
very good lesson, thanks for sharing. suprised to see german axis label at 9:27 :-)
Phenomenal. Liked.
grate work . Roy
really interesting and well explained
Thank you. My M3 is on order so I will get to use this info in the near future.
Hello Matt, thanks for your very explicit videos and valuable information. I write you because I would like your opinion, I have an FX Crown cal .25 and when I did the chrony tests I gave on average 277 Mt / sg (909 fps) the output speed, using JSB Exact King .25 of 25.39 gr. I use a Mira Aztec esmerald. I use a couple of applications, Strelok and Chairgun to guide me at different distances. I did the zeroing in 50 meters and I realized that when firing at 100 meters, making the compensation that the software indicated was not accurate, with a difference of 1 or 1.5 mildot. I did tests to calculate the BC and it gave me different to the one suggested by these programs, which is based on the point of impact at 70 meters and I made the adjustments and I coincided perfectly with the mildew of the sight at any distance. Later I did chrony tests again and the exit velocity with the same pellets was 250 mts / s (820 fsp) and I recalculated the BC by the difference in speed with the first time.
With all this story, help me answer:
1.- Is it normal for differences in the speed of departure in each use of the rifle week by week?
2.- Whenever one is going to use the rifle should chrony tests be done and calculate the BC?
I have never done any shooting course, nor the use of airguns, I have only learned watching videos and some theory that I have read on the web.
I wait your answer
Thank you so much
ooooooh... very nicely explained!
Matt,you are a professor in pcp👍😉 and in long range. I want this job to translate mr.RusBeer. Your video with his scopecamera very good)))
Don forget Ted Holdover, he is great also
Excellent Matt i was waiting for this for a long time i knew for a long time that some thing was going on with the air rifle's barrels. being retired from the firearms industry i know the importance of the twist rate on the barrels and bullet weight , i would like to see FX offer replacement barrels for other air rifle manufactures , or maybe other company's should start changing their process, thank you for a great video.
Yes. Thankyou Matt. You explain the heavy duty facts without me phasing in and out. .......
its great matt ,usefull
Thank you for the information
Great video ! Thank you guys !!! When the next episode will be released ? I'm looking forward to get that infos about rotation... See ya !
Thanks for sharing this great info
One hundred thumbs up 👍🏽!!!
+1
when I was firing the casing from shotgun shells out of my rifled barrel for my paintball I saw very much what you're describing being most my cameras will film a Max of about 60 frames per second this is the only example but I believe it was more because of the ripples on the shotgun shell gripping the air and pulling it around like nuts it was definitely very interesting to watch
Fascinating. Interesting differences to the centrefire world
You doing a great job keep it job keep it up
From this video; to where you are now. Is total wow wow wow.
Very interesting talk !!! Thanks !
Very well done, as usual. Now if Fx would hurry along and ship our slug liners. Good luck Matt.
Love your videos.
That was awesome! I am currently trying to figure out how to stabilize my HW45 air pistol at high power. It shoots fine on low pwoer but goes way off on high power.
Matt !! , your a legend 👍
Espectacular... si señor.!
Very informative..Thank you.