Operational Physics: Anvil 069

Why do things work the way they do? Why should you care? Well begun is half done! Know WHY your gear functions, and what the consequences of getting out of the box truly are. NOT a tutorial; if you don't have this skill set, do NOT attempt to do this work. Support us: / anvil Thanks.

[@karatos]

Excellent demonstration. My only nitpick would be the bit about the system on the AR. You showed it with the gas tube and it blowing back and then later showed a tube of gas blowing back the drawer slide and I worry that gives the wrong impression to some degree. It sort of implies that the gas blows into the gas key and the buildup of pressure in the gas key causes the bolt carrier to back off from the gas tube and cycle the rifle. What really happens is the gas goes through the gas key into the bolt carrier, which is acting as the cylinder, and the gas pressure pushes the bolt forward from the perspective of the bolt carrier. Since the bolt is unable to move forward because it is against the barrel this causes the bolt carrier to begin to move rearward instead. This movement causes the cam pin to intercept the bolt carrier which forces the bolt to rotate and unlock from the barrel extension. When the bolt has moved far enough forward the gas inside the carrier is vented and the bolt carrier continues to travel rearward compressing the action spring on momentum from the expansion of the gas within the bolt carrier. I get that isn't what the lesson was about and going into it is probably not worth it but still, don't want people thinking the AR is as simple as that and that the gas rings on the bolt do nothing or that the inside of the bolt carrier does not need to be cleaned from time to time of carbon.

[@strydyrhellzrydyr1345]

Oh boy... I wish that was simpler... But I believe I get it.. I just get lost with all the terms ... I think I get what you were saying compared to him..

[@strydyrhellzrydyr1345]

Isn't it actually accelerating to the Right.. and decelerating to the left... Opposite of where he points. The spring I mean... 8:55... I figured maybe I could ask you. Since I know he's a busy person.

[@onpsxmember]

@@strydyrhellzrydyr1345 It is decelerating the bolt when it is compressed. It is compressed when pushed to the right based on the reactive force from pushing the projectile to the left. After being compressed and stopping, the bolt is accelerated to the left again, picks up another cartridge, closes the action and ready to start again.

[@datadavis]

Wait, waht?

[@karatos]

@@strydyrhellzrydyr1345 I was just talking about the AR-15. He showed an AR bolt carrier group and the gas tube for it and then showed his demo with a similar gas tube (the air nozzle) and I just wanted to point out to any viewer that may not know that this is not how the AR works even though he showed an AR as an example. I could see how someone could get confused and see the AR bolt carrier group and the gas tube and then see the drawer slide and the gas tube and assume they worked the same way because both examples have gas tubes but they do not, even though they are similar in terms of the example used, so the mass and velocity lesson is still applicable. I am happy to break it all down further and explain any detail you may be stuck on, just give me a hint where to start.

[@rottiesrule5285]

thank you for getting into the rabbit hole on this one...very well explained an i think i actually grasp the whole idea of what you said...what i would give to be 35 yrs. younger and to have had the chance to study or work under you...you have a way of teaching that ,to me, just makes things more easy to understand..thank you and Bruno for doing these videos.. the passing of your knowledge and skill is appreciated more than you may know

[@johnkilcer]

I do love the paper towel of knowledge episodes. Lol great episode boss man.

[@rambo8wradio]

You are a great teacher, Mark, no matter what's the medium. Thank you. I loved a model of a firearm.

[@halnywiatr]

The last time I had that much knowledge deposited in my head i earned course credits towards a diploma.

[@jibbyjab2672]

you made a gas key out of a block of wood, and an air compressor, and it worked very well as a visual aid, that was both impressive and informative keep up the good work👍

[@heinrichschmitt5252]

Yes! More please. This was incredibly interesting.

[@tokensupreme684]

This MAN is a national treasure.

[@sdhlkfhalkjgd]

That model was some ingenious jury rigging. It really demonstrated the principals well. Great job! I enjoyed the physics lesson. You almost made me miss power school. I took a lookup on snap, crackle and pop. I guess math guys can have a sense of humor too.

[@marknovak8255]

I will NEVER miss power school, but I'm glad I went at the same time.....8404

[@sdhlkfhalkjgd]

@@marknovak8255 Definitely something you only ever want to endure once. I went with "Almost made me miss it" over "just had a flashback of some say-write-read from 30 years ago /shiver". Still, glad it took the path I did. - 9108

[@davidphillips7321]

Mark, Doing What He Does Best - Teaching his KZbin Followers, Thank You - Sir ! It Helped Tremendously...History Keeps Moving Forward...Stay Safe...

[@derekhughes9274]

New camera angle works really well, great idea.

[@ptm4view]

Hi Mark, great job explaining this. Just shows how smart people like John Browning were over 100 years ago in their understanding of physics and all done without the aid of computers. With the latest technology we struggle to come up with anything new, but just refine what's already been done. Just shows that the laws of nature and physics is a constant that doesn't change...

[@tobar832]

thank you for showing me how much I don't know about firearms. These concepts that you show us are great and make my time on the range safer and enjoyable.

[@ggwoutdoors2a]

Sometimes mass is your friend and sometimes it's not. Great stuff Mark.

[@joshuashope5488]

Came for the gunsmithing, stayed for the calculus based physics

[@life_of_riley88]

Never thought I'd see a KV drawer slide used to describe locking a breech. Awesome.

[@mitchellblair8888]

Excellent video. Always a pleasure.

[@willwieboldt7357]

Thank you Mark for spending your personal time making videos for us to enjoy! And Bruno too for the behind the scenes work. We are all extremely grateful. Keep them coming!

[@iflystuff1]

For just 75 cents a day you too can help put a dry erase board in a gunsmiths home.......

[@shaneharrison4775]

Seeing the look on Brunos face ripping that shosho was epic that gratuadous smile of joy of reciprocating mass

[@EitriBrokkr]

One of your best videos knowledge is one thing, the ability to convey and teach that knowledge is another thing

[@shaneharrison4775]

Well explained and Bruno's smile after ripping that shosho speaks volumes too thank you both

[@seanbaker9796]

Thank you Mark for your knowledge and time.

[@bjornsvalling1066]

An excellet walk-throu of high-school physics from an armourers perspective. Thanks Mark!

[@sabledriver]

Nice to see you remember that stuff from NPS this many years later! Great explanation. Loved the video. Thanks. 8302

[@marknovak8255]

8404

[@chrishewitt4220]

Another excellent explanation Mr Novak! Thankyou.

[@jesseburns9734]

I would like to thank you I can not express how much JOY I get from your videos. May God Bless you all

[@Sepuku78]

All physics teachers should switch from boards to napkins, it makes understanding so much easier

[@keithmalmberg8395]

Excellent video. Love to watch you do the work. Watching a master craftsman is always a pleasure. Really enjoy you breaking the information down into it's basic form. This was probably one of the most informative videos about how/why they work they way they do.

[@johnnovack5550]

Thank you for making this make sense. My sons and I have built a number of AR's and sometimes timing has been an issue when getting them to function properly.

[@johnbaker1039]

Great way to explain F=mA. Thanks for the lesson.

[@patrickcolahan7499]

Love the explanation with great visual aids. Thanks for sharing. The Remington 12 gauge reminds me of the one I was given by a boss back in high school. Stamp was Remington/Browing 1903 Pat. That shotgun was amazing, accurate, could reach farther than any other shotgun my friends had at the time. Had to sell it when I was first married and wife got sick. Regret that. Would love to find another.

[@ekimviewmaster5010]

Thanks, Mark, for your timeand efforts in explaining the physics behind these different actions. Superb content as always.

[@TargetSuite]

Your "whiteboard" work was interesting, but that gas operated drawer slide had my full attention! Great vid!

[@xm15ar]

I think this is my favorite KZbin channel. Wait! I know it is.

[@bradanderson1627]

As usual very awesomely explained Mark 👍👍👍👍👍👍👍👍. THANKS for your source of entertainment its always great spot-on.

[@napalmholocaust9093]

If you would've came out with a mohawk to play with the drawer slider I would have died laughing.

[@johnjunge6989]

Mark as always, you down to earth explanations has help us all!

[@DB-yj3qc]

No critiques from me, very good way of explaining motion many educators could use your video. Breaking it down to simple.

[@Bobboberttt]

This is the best video you have ever made

[@joshuagibson2520]

Mark, I appreciate you. That's all Sir. Thank you.

[@timrobinson6573]

a-cell-a-ray-shun. Never heard it pronounced that way before.

[@paulmaluchnik4962]

I’ve held back for years but I gotta ask,Mark did you get the Kroil sponsorship yet? The video was great and very informative, keep up the great work.

[@greydaddie]

I love watching you think.

[@zaca952]

Great explanation, keep up the great videos!

[@dandel351]

This was great ... even I understand it

[@shaneharrison4775]

That was the most awesome explanation of operational mass and timing I've heard in years the first time I was 7 or 8 and I was asking my dad what he was doing he explained hes increasing the amount of powder in a 30-06 round but needs to make sure not to over pressurise the gas system of the semi auto M14 rifle because to high a pressure may alter the timing of the bolt mass as opposed to the return buffer and ultimately break the rifle. Haveing an idea what you were saying fromhaveing listened to my dad years ago. Gota say I love when the call come down to get down the rabbit hole.

[@georgefrancisyoung3702]

Love the Improved Camera Angle. Great episode as usual

[@rogerjclarke]

Very informative and interesting. Thanks for posting.

[@tiduffield]

Down the rabbit hole we go!

[@jeffreywilson690]

Love to see a cabinet slide in a gun video

[@chasrmartel4777]

Physics supports my AR15 rifles but my heart is still with my Remington Model 8 in .25 Remington! 💘

[@alex4alexn]

always an enlightening time here with you Mark

[@nukehayes8346]

as a fellow nuc submariner, I really appreciate seeing your pencil arrow analysis of F=mA.

[@marknovak8255]

WAWR......ATFQ......EM1(SS) 8404

[@henrysara7716]

Thank you, Mark.

[@lawrencehudson9939]

I agree great presentation!

[@jamesmanley9521]

Good job

[@josephcormier5974]

Thank you this was a very interesting and informative video five stars sir

[@tpaktop2_1na]

00:14 I love the workbench scene. It shows to me a craftsman works here. My only trouble is if I make a work bench, my wife would have it stacked with junk. Something about an open clear table bothers that woman. 😄 Still to me its a good scene to see. You videos are always educational. 👍

[@Watchdog_McCoy_5.7x28]

All semiauto guns are piston driven. The cartridge case on a straight blowback is essentially the piston and is replaced after each shot.

[@marknovak8255]

That's it.

[@Watchdog_McCoy_5.7x28]

@@marknovak8255 I think this would be a good topic to discuss in a video, because I've had countless people disagree when I said "all semi auto guns are piston driven". It would really make some people think about it a little more, especially if someone with your pedigree were to discuss it. You are actually the first person that makes videos to actually agree with the statement, unless you were being sarcastic and I missed the sarcasm. All semi auto guns are piston driven, and the piston is just located in different places. Straight blowback uses the cartridge case as a self replacing piston. The AR is an internal piston inside the BCG. The AK is obvious. Roller delayed is essentially the same as straight blowback with the cartridge case as the piston and the rollers "delaying" the opening of the bolt, etc. I'd love to see the responses you get if you were to discuss this topic.

[@carebear8762]

As a commercial furniture salesman by trade, best use of a drawer slide I've ever seen. Great visual tool.

[@1970bosshemi]

Great video! Thank you for putting in the time and effort

[@timsmith1589]

Outstanding demo sir

[@paulmears5330]

That was very succinct, for such an involved concept👍

[@Otisthelesser]

Excellent explanation/photography/ topic selection. I am not as much dumb as I was before. 🎉🎉🎉

[@andyd2960]

This is an excellent episode. It does a great job of explaining "over gassed" MSR. The problem is usually timing. I like to slow the bolt down with heavier buffers and springs before I even consider adjustable gas blocks. The gas is supposed to be there.

[@zarathean8758]

Thank you for another excellent video sir

[@Whitpusmc]

Thank you!! I love learning from you!

[@richardhillman9745]

Thanks Mark, I knew this before, but now I understand it.

[@timblack6422]

That’s an important distinction

[@MLKusername]

World's best guntuber

[@snowgorilla9789]

That sir, was an absolutely excellent job. But still leaves a lot of tinkering to get just what you want. Thank you

[@thijspluis9998]

verry educasional

[@pbp6741]

Well done.

[@jondavidmcnabb]

Damn that was some excellent free education???

[@fredjarosh3056]

Excellent

[@AJsWargaming]

Thank you for this video - excellent stuff!

[@christopherjefferson3561]

One could use the principal of a car’s suspension springs that take the “shock” and the dampers only stabilize that recoil or “oscillation”. They aren’t shocks really but dampers.

[@dalanwanbdiska6542]

Im fixing up a parker hale 30.06 i found i the field this year while ditch cleaning for the band office on the reserve. I have weighs tied up to the stock grip to help the glue settle were the crack in the grip is. Ill add a metal pin inside to help it keep together. Its a very nice looking rifle still but needs alot of work. Now that i have it it will be done and in good quality. Im using tung and teek oil this time for the finish with some stain. I took out the old chipped bedding and ill bed it again. Fun time to work with any rifles.

[@BESHYSBEES]

Sometimes there’s something’s that not everyone can understand, but this is pretty simple physics

[@johnmaxfield3869]

Excellent training video Mark, as an aside I absolutely love the 'T shirt' well done Sir

[@pauperslament3467]

"Good Stuff" - Frank 'The Tank' Ricard

[@samrodian919]

The best physics lesson I ever had Mark! Thank you. The working model is a thing of beauty! Lol

[@cheesenoodles8316]

Oph.. math, formula and everything. Good demonstration. The spring, mass and time combination entered my world with my first autoloader pistols .... the old ones.

[@sheldoniusRex]

I'm not sure if Mark knowing about the Yeet Cannon is indicative of a success on his part, or a failure on ours.

[@vdog4799]

Wow. That was fun science. Thank you!

[@baank9]

Please explain delayed blowback of MP5... lots of people do not know about it (rollers etc..) I enjoy your every episode! Keep the good work 👍 Best regards from Slovenia - Europe.

[@rambo8wradio]

I think Mark has a broad idea where Slovenia is..

[@paulmanson253]

Ian over at Forgotten Weapons has several episodes on delayed blowback,well explained. Head there.

[@marknovak8255]

I can do that. Note: 3 of my grandparents were from Slovenia.

[@baank9]

Hi Mark, there is quite a lot of Slovenians in the States who went there for better life in the past. Novak is very common family name here in SLO. BTW, MP5 is one of my MIL service weapons, i've been using it for many years now. I know how delayed roller blowback works. Since you have a great feeling to explain it (like this video) i thaught it would be perfect for viewers to see it from you. I enjoy your videos very much, lots of people love firearms but they don't care how they work. Best regards from Slovenia and i hope you still can enjoy Slovenian food like "potica" and "krvavica" in the states 🤗 Andrew

[@paulmanson253]

@@marknovak8255 Mark has many qualities. I think "Well fed" would be an accurate description of one of them.

[@tomtruesdale6901]

My head hurts but I think I understand it now.

[@steveshoemaker6347]

Thanks from an old Navy flying Shoe🇺🇸

[@maui6446]

Mark, I like your drawer slide, air nozzle, rubber band demo and the slo-mo camera. Love the picture of Bruno being beat-up by the French gun that I can't spell the name of! Alas, I am only an engineer (most of us can't spell well!). All great stuff! Very good demonstration. I would avoid the J-S-C-P stuff as it is distracting and very difficult for anyone to understand (time ~6:51). All your audience needs to know (and I think a touch of math helps even for the South Carolina folks....) is (in this example) P = displacement (meters), V = velocity (meters/second) and A = acceleration (meters/second per second). At about 9:54 you mis--spoke. Acceleration has units of meters per second per second or how fast you are increasing (or decreasing if negative) your velocity (meters/second). I hope this helps!

[@guygabriel6251]

❤️ I love Your videos

[@conga1]

Over my head, but enjoyable non the less. Thank you.

[@coreylahey9309]

Hey thanks for your teaching abilities. Talk about the Remington V- Max gas system. John Browning is a genius. So is Maxim

[@40beretta1]

luv the new camera angle... This is all worked into loading.

[@jensenwilliam5434]

Thank s Mark!!

[@christurley391]

Thanks for the video.

[@arh1573]

Thank You ☝

[@javaks]

Anvil 069 Nice.

[@HCH9990]

Always hated physics, but this was a really good explanation!

[@urkince26]

Awesome video. Would you be interested in doing a short addendum showing the difference between the spring rates shot from the same angle as the different masses so they could all be directly compared?

[@rushedandlost]

O.K. I have a 45acp ,4.25" barrel, 200 grain or less is recommended. I have been using 185 grain when shooting this pistol. My 45acp with 5" -barrel 230 grain is good. The weight, spring distance and timing thing starts to make sense.