Do More Muzzle Ports Equal Less Recoil?

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In this video, we test how many ports on a muzzle brake are ideal for minimizing felt recoil.
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Опубликовано:

30 дек 2021

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Комментарии : 862

@TROOPERfarcry 2 года назад

This is *really* impressive! I clicked to find the answer, but just assumed it'd be a couple of yahoos saying, "Yeah, that felt different", or "naw... felt the same." But this is quantifiable, repeatable, and measurable. _Just superb!_

@Yeoman7 2 года назад

Welp, at the end of the day it all comes down to what the Yahoo thinks. LOL

@PaletoB 2 года назад

Yea, it actually took me a few days before watching this. They should have put the setup in the thumbnail to get more views.

@TROOPERfarcry 2 года назад

@Michael Hill Since the length of the arm is unchanging, a reduction in angle is also a reduction in height. You're not wrong... but you're not correct, either.

@TROOPERfarcry 2 года назад

@Michael Hill Can't see the forest because of all the trees in the way? The rearward energy was reduced, and the GPE was correspondingly reduced as well. The reduction in angle correlates directly to a reduction in GPE. - Whatever their math is, and whether it's accurate or not, you can see for yourself that the gun didn't achieve the same height, which means less rearward energy was exerted. - "Hot garbage"? The video is there for you to see. Put the video on mute if you insist on nit-picking, but like I said, the video is there, and the vertical displacement is reduced with additional 'braking', though it obviously has diminishing returns.

@TROOPERfarcry 2 года назад

@Michael Hill So put the audio on mute, soak in the video, and be grateful that someone took the time to do this experiment and video-document the results for you.

@VSO_Gun_Channel 2 года назад

Hmmm Im interested in shorter barrels… also was this normalized for the weight change?

@innercityprepper 2 года назад

That was my next question. Wondering if the small incremental reduction was actually because of the mass of the device.

@jlscjwtwich 2 года назад

That's not what the data would suggest ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-Xqfb7IA9gA8.html

@PoundItNailIt 2 года назад

This guy; always science thinking

@legiongames2400 2 года назад

Was thinking about this when the video started but we'd see more of a difference on the 4,5,6 ports measurements if the weight was doing a significant amount of work?

@1014p 2 года назад

@@legiongames2400 Indeed, overall added mass is negligible. It would however help stability by weight in front a bit. Free swinging test wouldn’t show much. If they had a sled with a impact meter you might see the result.

@dragginhoseoutdoors1618 2 года назад

I’m no engineer, this raised a question for me though. Would the most efficient amount of ports depend on the diameter of the projectile in relation to the amount of gasses behind it? Love videos like these.

@MrAPCProductions 2 года назад

Yes and also the design of the both the projectile and the brake, the actual pressure of the gasses at the individual ports, the physical weight of the brake not to mention the material, temperature, cartridge being used, and on and on and on...

@Jeff4559 2 года назад

Regardless, it is still a solid test to give you a general idea of how the brake would function to reduce recoil. Their setup, though not factoring in EVERYTHING, is an impressive test.

@olivialambert4124 2 года назад

It would depend on a huge number of things. The design of the brake, the spacing/size of each port, and so on. Diameter of the projectile, pressure of the cartridge, length of the barrel firing, specific gunpowder mix. If we assume a sealed barrel (ie not the gun cycling) pretty much everything else will change the results and thus the number of ports. These numbers seem reasonably representative of what I'd expect in the majority of cases with a fairly average muzzle brake design, but with odd designs or odd scenarios we can very easily get an incredibly different result.

@SilvaDreams 2 года назад

@@MrAPCProductions Once the bullet passes the first port the pressure of the gasses affecting the bullet is so small there is more pressure affecting the front of the bullet due to the compression happening since the gasses will always move to equalize with the outside. That is why a shorter vs longer barrel on pistols can make for a shocking change in velocity (More pronounced in rifles obviously)as once that bullet has left the barrel it's no longer getting pushed along gaining speed and merely conserving it's momentum (Minus of course the drag)

@m4rvinmartian 2 года назад

@@Jeff4559 Sorry Jeff but PHYSICS gives you a general idea of how the brake would function. It's not that impressive of a test. As Paul mentions, it's a truncated test that gives a very narrow window of results for a single caliber, single charge of gunpowder, and single barrel length.

@Jnolet88 2 года назад

I'd like to see this done with magnums. they have longer burning powder so that may effect results. e.g. the effect you discovered may happen at 5 ports for a .300 WM

@MDTTAC 2 года назад

That would be a great idea for our next video!

@SilvaDreams 2 года назад

It wouldn't make a difference. Once the ass end of the bullet reaches the first port the gasses are naturally going to expand to equalize with the external pressures of the atmosphere. The extra ports on the breaks is where they get their other name from.. Flash hiders as the ports give the flash of the still burning powder a rear ward angle instead of spitting it out of the barrel in line with you line of site thus during low light situations allowing you to still see down range better (and obscuring your position slightly as well)

@Len_M. 2 года назад

@@SilvaDreams Brakes don’t make good Flash Hiders typically. I’m not sure if there is Fire with my .338LM Sako TRG42 (paying attention to different things), but my DD MK18 will let you know what’s up.

@owned323 2 года назад

Magnums do benefit from 5 port brakes and six port brakes. Nathan with muzzle brakes and more has done a lot of muzzle brake testing using a lot of different calibers. Also the wider the surface area of the brake, the more recoil reduction.

@joshkirkby8103 Год назад

@@SilvaDreams flash hiders don’t send powder rearwards they just have prongs or cages that create turbulence in the gasses coming out of the barrel which allows a cleaner and dimmer burn of powder

@hasupe6520 2 года назад

Wow, I am really impressed with this video. You have done something not even those gun channels with millions of subscribers and massive budgets would ever do. You built a rig and measured something quantifiably and gave a clear answer. Superb quality.

@MDTTAC 2 года назад

Thank you so much for the kind words!

@drtmi8789 Год назад

That doesn't quantify ANYTHING!

@hampusbergman 2 года назад

The angle does not linearly correlate to the recoil energy. The first degree is a lot easier than the last since gravity counteracts it less. I think the potential energy achieved at the end point is a more accurate estimation (not perfect though) (Potential energy = mass * gravity * height). I calculated the reduction in potential energy from no port to 6 ports to 68%, please correct my drunk math if necessary. Happy new year!

@nelsondrolet9696 2 года назад

You are correct. Potential energy (vertical distance in this case) would be a better way to express recoil reduction than angular displacement. You can appreciate a little bit more the effect of the first port this way. 1 port energy reduction: 55.0% 2 port energy reduction: 60.5% (5.5% more) 3 port energy reduction: 63.8% (3.3% more) 4 port energy reduction: 67.5% (3.7% more) 5 port energy reduction: 66.8% (0.7% less) 6 port energy reduction: 68.0% (1.3% more)

@BestICan 2 года назад

What you've written is true. But their tests demonstrate the performance of each option relative to the others as long as port design is consistent across all devices.

@dereklaroque172 2 года назад

Correct, they would want to use the Sine of the angle reduction to convert the values into a linear scale.

@gun_nerds 2 года назад

@@dereklaroque172 Almost. You need to use the integral of the Sine.

@OddJobEntertainment 2 года назад

Was looking to see if others thought the same, was pleasantly surprised.

@jimmywhite1285 2 года назад

An addition of a decibel reading and maybe a doppler radar would help felt concussion and standard ammo deviation as well as velocity differences. I agree with some the pendulum may not be ideal but you are getting consistent data and gathering information is the key part to build a comparable data chart. Great job and keep it up, results whether good or bad are successful as long as something can be learned from it.

@MDTTAC 2 года назад

Thank you so much for the kind words!

@NebraskaPharmer 2 года назад

I wonder if the change in the weight distribution going above 4 ports could account for the slight increase. As the length of the brake gets longer it may change the swing character of the system. The increased weight should increase the inertia resistance but what wins out. That's what the smart guys are paid for.

@johndeere2799 2 года назад

That's what I was thinking too. Could the extra weight at the front change the balance point of the gun and affect the pendulum characteristics.

@maddiN117 2 года назад

you could try mounting the rifle on a sled and measure the way it travels after a shot. no problem with swinging or something like that and it simulates the rifle hitting the shoulder.

@dontask8979 2 года назад

@@johndeere2799 100% 👍

@BattlesuitExcalibur 2 года назад

I think the pendulum arc is a great idea to measure recoil energy. The motion of a pendulum is a well understood system mathematically in terms of energy (just about every mechanical or aerospace engineering student has seen the equation of the motion of a pendulum developed). So the change in energy observed through a measurement of the angular average angular velocity and maximum height achieved, with an appropriate estimate of the moment of inertia due to the rifle+aluminum bar. Very simple, effective setup!

@richardmillhousenixon 2 года назад

If it did significantly affect the swing, we would be seeing a larger angle the bigger the brake, so to an extent it kinda cancels itself out

@jwschwartz1990 2 года назад

No BS, just testing and data. Very well put together video!

@Lincoln257 Год назад

Great video! Don’t forget, the size of the ports, the distance of the ports from each other, and the angle of the ports (facing straight, Forward, or backwards) all can affect the recoil. A well designed 2 port can be much more effective than a poorly designed 6 port.

@Randy_Cox 2 года назад

Thanks for doing the test and sharing the results. Always have been interested in this test.

@ericrumpel3105 2 года назад

Great testing, Great video, Thank you fer sharing great info. Couple years ago I requested one or two more ports from my brake mfg. & he said no need, 4 is all that's needed, so I took his word for it, Thanks to you guys - now I am certain to not question anymore.👍

@MDTTAC 2 года назад

Thank you so much!

@g.simard854 2 года назад

Love the fact that the video is not an advertisement of their products ! Hat off

@Sk1m_Beeble 2 года назад

I like the no BS, straight to it videos. Good work fellas!

@joshkamp7499 2 года назад

Would be very interesting to see the same test with different cartridges. The more powder burned, the more effective more ports become.

@ethancrosby7656 11 месяцев назад

Really love how you take the time and effort to take down quantifiable data not just your "shoulder feel" first time watcher and will definitely be coming back for more videos

@nealewatson5284 6 месяцев назад

This is absolutely the best test procedure of recoil testing I've seen. Great job guys.

@craigsamuel4266 2 года назад

NIcely done Ryan and MDT Team. Great Videos and I like how you do them.

@matt7253 2 года назад

Love that you attacked this quantifiabley, was expecting shoulder fire and your word! Great vid

@innercityprepper 2 года назад

This is the coolest testing rig I've seen. Very clever setup!

@knifetech101 2 года назад

Saw the weight video and glad to see you guys listened to the comments about brakes

@NorthEyeIRL 2 года назад

Wow! The whole testing contraption is amazing.

@tjjohnson4848 Год назад

REALLY EXCELLENT JOB on this test, extremely scientific, WELL DONE!!

@karlsailor 2 года назад

What caliber was used and how would different calibers affect the results? There's a massive difference in the amount of gas between 6BR, Creedmoor, and a 338 Lapua

@tworiverflyfisher 2 года назад

That was my thought as well. Was the ammo used stock or custom, factory or hand loads? Too may variables here to make a quantified estimate. Also cold vs hot barrel and weights of each muzzle break.

@SilvaDreams 2 года назад

Largely there wouldn't be a drastic change as most of the recoil is from the mass of the bullet being forced down the barrel (Every action has an equal and opposite reaction -Newton) So yes there would be a change between calibers but there would also be a change depending on the weight of the bullet and the powder load and the barrel length as more powder means more gases to expand rapidly and the longer the barrel the more time it has to be accelerated and thus more energy is transferred back. Once there is an way for the gases to equalize with the outside atmosphere they rapidly expand to do just that which is why there is essentially little to no change past a single port but functionally it does work better for it's other task which is to diffuse to the burning gasses off to the sides thus it's other name of "flash hider"

@625098evan Год назад

this is a really well designed experiment to find an answer to a question that not many people ask. very cool and helpful!

@jecustom101 2 года назад

Great test .. thanks. It is true that the first port in most brakes do the most work. In the brakes I offer I tune the internal dimensions to balance the pressure across all baffles. This makes the brake more effective as it distributes the pressure across all baffles.

@trashpandafighter8376 Год назад

I am digging the research you all do. Great work!

@magpiemagpie6607 Год назад

MDT as always is great. Thak you guys for your job.

@jondavidmcnabb 2 года назад

Excellent science and engineering!!! Solid repeatable execution of hypothesis measurement.

@adambarlow5875 2 года назад

Awesome video! Like everyone else is saying, this video was very professional and gave numbers instead of just personal opinion. Keep up the great work!

@MDTTAC 2 года назад

Thank you so much for the kind words!

@kylehughes1 2 года назад

Great methodology and the video was not excessively long. Fukken subbed

@glenbaker4024 7 месяцев назад

Excellent work guys. You answered my question in a very scientific manner. Thanks!

@Dirkietje8 Год назад

I love actual science and well designed experiments! This was superb, really great content. Loved your barrel burning out video as well.

@MDTTAC Год назад

Thank you so much!

@PoundItNailIt 2 года назад

REALLY appreciate the direct to the point no fluff efficiently edited sharing of results and information. Wish more RU-vid videos sharing experimentation and results would use this format

@bdkj3e 2 года назад

Absolutely, others would have easily stretched this into a 15 even 20 minute video.

@rifleman7313 Год назад

Thanks for the testing and evaluation. I was just looking at a pinned and welded brake so that I could conceivably lower the barrel length without going SBR. Recently found a 3.8"-3.9" brake so that I could use a 12"-12.5" barrel for an AK. Since the 7.62x39 seems to like shorter barrel lengths without drastically affecting muzzle velocities.

@lockpinos Год назад

One of the best Presentation about firearms experimental i have ever seen in a long time. good job.

@dylanfoltz8559 2 года назад

I tried to do a curve fit of the muzzle break performance data. While it turns out that the model is actually really sensitive to the weight of the break (which we were not given AFAIK)... depending on my assumption of break weights, I'm finding that each additional port strips off something like 45-60% (best guess: 55%) of the remaining gas. Except the first, which is somewhat more effective than it "should" be: regardless of any reasonable manipulation of the model's free parameters, it reduces the gas momentum by about 75%.

@jayleon6176 2 года назад

This is truly QUALITY CONTENT. Kudos to the team!

@MDTTAC 2 года назад

Thank you so much for the kind words!

@cyphre 2 года назад

THIS is the kind of science I want to see! Hope to see more, maybe with different port designs!

@ijuvatar Год назад

very well conducted testing and a clean and repeatable testing setup! i wish more youtube vids hat such an approach. very nice

@EnricoBressi Год назад

This is brilliant! So well done! Thank you.

@AvocadoAtrocity Год назад

This was excellent. Awesome work.

@michaeldercole8667 Год назад

Thank you MDT for great accessories and great service. Y'all rock!

@MDTTAC Год назад

Thanks for watching!

@operator8014 2 года назад

That's excellent! I'd love to see a revisit to this, where you test muzzle velocity as well. Maybe the bullet velocity is acting as a confounding variable in your testing.

@richardevans413 2 года назад

Another excellent video from the MDT Team

@MDTTAC 2 года назад

Thank you so much for the kind words.

@David-2499 2 года назад

Thats such a cool test. This channel is awesome

@HH-pv9ex 2 года назад

Quite impressed with the experimental apparatus, good work 👍

@ChaseBerry 2 года назад

Awesome video! You guys are doing a great job on these.

@AnthonySmith-sc4zs 2 года назад

Great video. I’ve always wondered about how many ports would be most effective and I figured there would be more diminished return on the 3 port but it’s good to know.

@TJ-cr3uj 11 месяцев назад

These testing videos are awesome!

@Ikaros--- 2 года назад

definitely earned my sub, this literally feels like testing attachments on a video game. love it.

@MDTTAC 2 года назад

Great to hear, thank you so much for the kind words!

@joshsinglefooter 2 года назад

Man, this is an interesting channel! Well done bruv.

@davidpritchett855 2 года назад

This is cool to me seeing the data behind how effective brakes are. I was personally very skeptical of brakes until I got my 30 06 bolt action with 24 in barrel that came with a tacticool tank break on the front with 8 small ports on each side and 10 top and bottom, looks drilled with a 3/16 or a bit smaller. It spits a bit of fire but has less felt recoil than my 16 in 5.56 gas operated ar 15.

@SGCXD 2 года назад

thank you for the good work you’re doing!

@jesseperkins7601 Год назад

Guys I LOVE your methods here very experimentally sound and based on the scientific method, Removal of external variables and all. Well done fellahs!

@BlairStOnge 2 года назад

I think this experiment was pretty well executed. I’d like to see them use that equipment to measure the best brake for different calibers and case capacities. A 6.5 CM may benefit from a brake differently than a .358 Norma Magnum.

@jamesglass5697 2 года назад

Once again great video every time I watch them I learn something thanks a lot y'all be safe out there happy holidays

@OnceShy_TwiceBitten Год назад

simple. to the point. good test equipment.... earned a new sub :)

@lemarcwhetstone6354 Год назад

Thanks for the research. That's was super informative.

@No_Way_NO_WAY 2 года назад

Good and repeatable test. Nicely done.

@kanyeweast3255 2 года назад

You just got a new subscriber. I'm a bit of a data junkie. I love the info and this was a beautifully conducted experiment. Looking forward to anything else you do. I'm just babbling at this point, but keep up the good work guys

@tommysalami6301 2 года назад

Excellent testing methodology. Thank you

@chrisfarr5909 2 года назад

Very cool video, thanks for taking the time.

@RyanKung 2 года назад

Such an awesome video! Love the test set up and the products. Kinda upset you didn't do a 100 port test ;D

@Taigathemoss 2 года назад

Great scientific test, you earned my subscription.

@jondoecan 2 года назад

I’ve been experimenting with my Christensen arms 338 Lapua (has mini set screws in the brake). I’ve been taking one at a time to see if I notice a difference. I blame the shooter (me, lol) not the rifle. You gained a subscriber today. Thank you. 😁

@filoofox9934 2 года назад

Very nice short held informative video!

@sixfiveoutfitters1201 Год назад

Good stuff. Thanks! Final conclusion is limited by relatively low sample size, but the trends are there.

@Tacticaldynamicsforce Год назад

Really great videos 📹. Keep them coming 👍

@Sanwizard1 2 года назад

Nice informative test. Thank you.

@duxrusso 2 года назад

Frikn Science!!! I love these videos!! Great job thank you again!! Happy new years all!! 🍻😷👍

@usov656 2 года назад

Really great video. Would be interesting seeing how it affects guns with shorter barrels and smaller calibers. I think the larger the caliber, the larger the difference in recoil would be.

@rexmccomb7589 2 года назад

Awesome video very institutional clear to see your findings

@keithoades5516 2 года назад

Very interesting data. Thanks for that!

@silverstormrifleworks7080 Год назад

Dang, only now just discovering you guys, these are excellent videos.

@rik4369 Год назад

Great on video! Appreciate the contribution to firearms development.

@lostpyper6973 10 месяцев назад

That was a great visual experiment. I'd love to see this repeated for different calibers and barrel lengths.

@DC4EVA 2 года назад

I have a 5.56 16" barrel and slapped on midwest ind. 2 chamber break and the thing shoots like a .22 cal ,so beautiful!!

@ChaohsiangChen 2 года назад

Fantastic science that you have done!

@MDTTAC 2 года назад

Thank you!

@lifeofkiran6285 2 года назад

Great content man!

@gloriousmeme3960 2 года назад

Absolutely outstanding work

@tubeampsrule1 2 года назад

I wonder if changing port sizes for all but the first port would help optimize the brake for weight

@MDTTAC 2 года назад

It changes things that is for sure.

@davidpritchett855 2 года назад

@@MDTTAC I would think theoretically a brake operates like a hydraulic piston pushing the bullet pressure is in force per surface area and the first break effectively triples the surface area, the second reduces the pressure of the center channel by 9 and the third is 27.

@XBullitt16X 2 года назад

That’s kinda what was thinking as well, just instead one large port, I wonder what the results would be haha.

@Grumppant 2 года назад

Great video! Excellent science!

@mwp597 2 года назад

Grate subject, I learned a lot from this.

@aaronsmith21 2 года назад

Outstanding analysis!

@farmerkevin 2 года назад

Awesome rig and video. I don't have any want for a brake, the science brought me here. Subscribed, liked and commented.

@MDTTAC 2 года назад

Awesome!

@TexasTrained 7 месяцев назад

After shooting 2 years in ELR 33XC and one year with 375 Cheytac the T5 Termiknator is the best so far.Id like to tyry the Warrior 35 Beast Tuner Brake. Great video

@tireballastserviceofflorid7771 Год назад

Saw an interesting video on this subject a while back. It used high speed just to look at harmonics in the barrel. And those big brakes can make the barrel do crazy stuff.

@colbydean9832 Год назад

Great video, all tests are repeatable which is not often found on gun channels. Reminds me of a Charpy impact test. If I could make a suggestion for a follow-up video: I'd like to see the same rifle on this setup fired with various suppressors to compare how the recoil is affected/unaffected vs brakes.

@morninglattes 6 месяцев назад

Really fascinating and good info to keep in mind

@ChiefEngineeringOfficer 2 года назад

Well done very properly executed

@iannicholson1675 2 года назад

What the heck? This video has some great production value and very very nice editing!

@MDTTAC 2 года назад

Thank you so much for the kind words!

@RatelLaw 2 года назад

Thank you for sharing your research

@unowno123 2 года назад

nice seeing quality scientific research in 2021, amazing work guys, quality work by noting results and comparing data average!

@MDTTAC 2 года назад

Thank you so much for the kind words.

@sauceboiii1510 2 года назад

Amazing video and education. Thank you!

@joelclark2130 2 года назад

That was really cool oh, I like the way you guys did that I hope to see more interesting videos from you people PS love your stocks. Saving up my coin to put one on my 7 mm08