Carbon Foam: an incredible material made from everyday items.
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- Опубликовано: 16 июл 2016
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Science! Experiments! Chemistry! Hack! Superlatives! Hyperbole!
This is an experiment* to see if I could pyrolyse mundane materials into super heat resistant, lightweight and insulating carbon foam.
Short answer: YES. Long answer: YES. Original Idea from this article:
phys.org/news/2016-07-multi-us...
Long term projects here: / ave
* experiment in the youtube sense of the word; meaning demonstration. 
Наука
You know you've fucked up breakfast when you've accidentally made a refractory tile.
Haha, good one! 😁😁😁
lol!
+
Haha, "sorry babe I've accidently made re-entry tiles for the ISS crew out of our breakfast..."
This is about the level of my cooking skill right there
My grandma would have made me scrape the carbon off and eat it anyways.
That's impossible since it's all carbon.😜
That's impossible since it's all carbon.😜
+iamchillydogg you don't know his grandma
+stinkymcissueno Strange, my Moma used to make me do that. Son??!!! Is that you??!!
Judging by your beard no, if I try to grow one my face looks more like AvE's knuckle hair shots.
Cobble together some aluminum bits, cover it in wonder bread and toss in an arduino and you got yourself a space shuttle.
I'd watch the video!
Makes you think why US government spent 200 billion on Space Shuttle program. Wonder Bread and Arduino doesn't cost that much!
Nah, the Arduino has too much computing power for a shuttle. Got to think of something else.
+Alex McDonald raspberry pi
+Alex McDonald 1990s wrist watch calculator thingamado
This is awesome.
fancy seeing you around here
hi
I reckon you could do some practical engineering with this info.
I love your videos Practical Engineering! Why don't you do a video on Medieval Weapons and which was most effective in what situation?
Practical Engineering What's up Grady? You're the man!
In this episode AvE burns his toast. And then he burns it some more.
No burning of any toast was done except when it was burning by itself before he broke out the FLIR. He pyrolized it. Burn=O2 used, Pyrolize=No O2 used.
+E2qNX8btraQ3zRD6J7fc *WHOOOOOSH*
+E2qNX8btraQ3zRD6J7fc top marks
it's how lots of organic household waste is treated if biodigestion is not available as the gasses released by piorolisers waste treatment are then used to power the pioroliser to gain more gas and thus generates power with the extra gas produced, you then just replace the organic waste when its run and the ash is used for various purposes. Great stuff.
reminds me of hydrothermal carbonization but less dangerous
If I glue this stuff onto my 67 Dodge, will I be able to re-enter Earth's atmosphere without burning-up?
what about getting it out of the atmosphere in the first place?
+Der Keksinator he's clearly past that planning stage. ..I say let's hear him out haha
That's what the 440 and the four on the floor are for. Just add a big ramp.
Are you sure it's a Dodge, not a Plymouth Satellite?
I would watch _that_ video
The Soviets experimented with and might have IIRC deployed a re-entry shield made of carbonized peanut shell husk. Any form of structured carbon like that will have extraordinary thermal properties.
What you've got there is actually "activated" charcoal, one attribute of which is a massive surface area per volume when you measure all the bubbles inside. That's why it's so good at filtering, a cubic centimeter of the stuff has an effective surface area of dozens and even hundreds of meters.
Both the high electrical resistance and heat resistance come from the fractal/recursive structure in which big bubbles are made of walls of smaller bubbles, which are made of even smaller bubbles all the way down to the nanoscale.
For electricity, this means a vast number of paths with the same resistance. The current cannot find a single shortest path and therefore even though pure carbon is a good conductor, in this form the conductivity produces a tangle of current paths.
Heat faces a similar challenge. The increased vibrations of direct thermal energy have move through all the bubble/cell walls which a 1) thin and not very conductive and 2) are made of bubbles themselves even thinner and less conductive. The bubbles are filled with an inert gas CO2 in the simple case but the small bubble size prevents effective convection. Radiant heat across the bubbles is blocked by absorption of the black material and the very smallest bubbles can be considerably small than the wavelength if infrared, producing a quantum effect in which photons of those wavelengths have trouble hopping the bubble.
The deal breaker with this material is its lack of structural strength. Just won't take shocks or impacts.
Shannon Love that’s an awesome overview of its properties, thanks for sharing.
Sorry its not activated. Activated charcoal has bubbles and faults on a molecular level. This is just charcoal
@@ravener96 its academically known as "activated carbon foam". The carbon atoms in the bread have already been rearranged in a way that can burn since being flour, thats the whole point of baking it. Then, through pyrolysis it activates and forms a structure that can no longer burn, like the process of activating charcoal. So really, although not "activated charcoal," the regular bread is moreso the "charcoal" in this situation rather than the heat ablative tile.
What about sound insulation properties?
Nothing a little butter won't fix
one dab will do ya
boom! you made original carbon- carbon .. I was lucky enough to get to talk in depth with a customer of 91 yrs old who worked on the original spy satellites , specifically on the reentry vehicles that dropped the film canister from orbit to be caught mid air via parachute to plane with a hook meetings before the rv hits the Pacific. .he worked for the contractor up through the keyhole series into the hexagons.. he had on his desk a big round 1 inch thick circle slab bout 6 inches in diameter, of this odd phenolic clear brown tan reddish material with what looked like flat fabric squares sunk in epoxy ... Essentially that's what it was, they would cut 1 inch squares of cotton fabric like as if you cut up a white tshirt into perfect square pieces, took a handful and soaked in epoxy resin of some kind or phenolic resin and then let it cure under tremendous pressure into this plastic molded shape of resin impregnated cotton squares , they would then bake and burn off that resin leaving behind what they named carbon carbon which is the forerunner to heat abatement tiles like on the space shuttle or at least that's how he described the process in layman's terms to me. hell of a interesting engineer this guy, it was a pleasure to pick his brain, they went onto
Very interesting!
thanks for sharing ! :)
I was going to post a chemistry joke here but the best ones argon.
Ahhahahahahaa!!!!!
+Clorox Bleach Quickly let me drink you before more jokes come.
NaH, please post. Bad ones are OK as well
Drinking bleach seems like it would be the worst way to turn yourself off, but hey, not everyone passed science class.
+Krisztián Szirtes well be careful what you wish for... I have a MIGHTY bad one!
I don't like Pb and J for lunch, it's to heavy! ;D
NASA has contracted AvE to R&D more affordable heat tiles for their spacecraft. We're all doomed
Wonder bread sales just spiked. Guess who's the biggest shareholder? Time to pinch a loaf.
It's cool he said we can have the leftovers.
The next generation of space shuttles will smell delicious when entering atmosphere.
+Staglo Magnifico lmao! Just sprinkle a little cinnamon and sugar on it.
@@micnor14 & ceccecc5
It deeply disturbs me that AvE knows all this technical information about so many different things, but also knows what felching is. He truly is a complex man.
Carbonize a whole loaf, hollow out the center and make a furnace with it. See if it can handle melting of various metals
jamesb1221222 or you could just take an old electric over and then fill it with home made bread mix and then close it up and seal it up tight except for one vent/purge hole.. then turn it on cleaning mode, which uses the broil and bottom coil and is really hot.
jamesb1221222 then you knock out a center hole and you electric over is now a furnace
He has that video
i dont think argon is a common household item
On the one hand, TIG is fancy space man welding, with the wee bitty wand and radioactive thoriated tungsten nib. On the other hand, it's the pretty pretty princess of the welding processes; "Oh, the metal, she is dirty! I will not work!" "Oh, the grains of the nib are not all lined up, the electricity shall come out all funny!"
+AvE Got my tee shart today.Mhmmm beaver.
Indeed. All shall behold the glory of the tree carcass king, The Trusty Beaver!...now I'm upset I didn't get the other shart.
I only have a MIG but in my defense I'm renting!
You don't have to use argon gas, you could vacuum it, add co2, helium etc... Plus most people with a garage do have argon in their tool kit so it's more common than you think these days...
i think your carbon is toast.
That ending got to me, right in the feels.
Beer is a great time keeping mechanism!
I was about to comment on the same thing.
A toast to beer!
Beer is actually the universal unit. You can measure time, volume, mass, monetary value, caloric intake, mental status and drunkness in beers
Stephan Fabry - and beauty.
Give it a scrape over the sink, it's still good.
Of all my subscriptions, after reading the news article last week about this stuff, I figured nurdrage or sixty symbols would have been doing it first. Thankfully you took the initiative to get it done before those channels and have made a video that I won't be using to put me to sleep, unlike the other channels. Seriously, they're like ambien without the driving a car while asleep part.
I thought he meant "staple" literally. Laughed my ass off when I realized it was toast
What you did with the toast is the same chemical process for making char-cloth. I just recently did that by throwing some pieces of 100%cotton in an altioids tin and throwing it in the fire. You might get away with just heating the toast in a tin for a while without the argon or any complicated setup. Cool video! Interesting that the same process that makes highly combustible material can also make flame-resistant material.
They use 'charcoal' blocks in the jewellery trade for soldering/melting pads. They deteriorate,and you usually keep them going for years,by wrapping wire around them to hold them together. You could make a new one every few weeks with this idea :) Ahh I left the comment before i got to the end!! Its ok if your using someone elses time and gas.
I like the new format with the music. Keep up the good work!!
6600c... 11,000+ F. So I could make a forge with... Bread
How cool would that be to show your friends!
"wonderforge!"
He has a video doing that
My thoughts exactly
You actually get more done than some university chem labs
He doesn't have to put up with the insurance and safety fuckery they have to.
Looks like what's left over my wife tries to cook anything...
Another wonderful lesson from the University of AvE!
". . . it's been a good three fourths of a beer now. . . ". lol
Air is honestly one of the best insulators, and that hunka-chunka wonder charcoal will certainly hold plenty of it!
One interesting thing about carbon is that it's actually a conductor. Not much, but it will conduct. When using carbon fiber materials in aircraft parts, you have to make sure you have grounding straps bonded to the carbon fiber layers to ground out any currents and act as a sacrificial anode. Otherwise, it'll turn your aluminum parts into chowder!
Yes and no. Charcoal isn't a great conductor but graphite is pretty decent and graphene is nearly a superconductor! Also, nanotubes are ok conductors and depending on how you grow/build graphene/graphite carbon structures on a nano-level you can go from insulator to almost-superconductor but you can also engineer it to be a semiconductor like silicon! Carbon in its many forms is really wonderful stuff!
So you can get an electrolytic reaction with carbon fiber?
I always get confused because lack of air is the very best insulator. Ask my Yetti cup or deep space. Almost as if we need a different word for electric vs thermal to avoid confusion??
that is interesting seeing how you basically made a charcoal oven.
Everyone is like 10 chapters ahead of you, keep up.
please tell me which chapters i missed then
+Darknightx33x 1 thru 10 obviously.
really? i read one thru nine
Dang one more to go bud, lol
*goes to channel*
Ohhhh, what did the madman do this time?
Ah. He's overdone his toast, I see.
Thanks AvE for another great video!
Hmm maybe I could use this as lining when i rebuild my shop after the fire
Don't forget to report back when you've found out! 🤔
all depends on wether i can do it with a pair of pliers and a burnt hammer
You obviously adhere them with peanut butter.
Anyone thinking of trying this - make sure you leave a small vent in the "Carbinator" - Or you'll have a bomb.
@@Turbo44mag but the metal casing that holds the bread is not, and if the volatiles cant vent, it will blow up in flames.
Fucktard.
Oh, also, not all welds are created equally. If the welds do not penetrate deep enough, you will create a Wonderbead cannon at best.
@@theterribleanimator1793 what did pungent say, his comment was deleted.
@@johnbasiglone1219 some garbage about having to close the entire metal box and not let it vent, and then calling the original comentator a fucktard.
Just some incompetent guy on the comments, usual stuff.
Love the editing style at the beginning... :D Also, really cool way to make cheap fireproofing for small scale experiments :)
Congratulations on your mention on the website Sploid!
I was going to make a joke about how it looked like burnt bread... well shit.
urm. what's with the audio
It sounds like the video is about 10 years old or something. Definitely not up to the usual fidelity we are used to. :)
Quiet voice compared to the "music"
I like my "focus you fuck"'s loud and clear.
Sound quality is a good bit lower than normal.
+AvE fucking nerd
I love it! It is Mr. Wizard (old TV show) for beer drinkers! Keep it coming!
That's so cool. I think I'm going to try to use this idea for insulating my aluminum foundry.
+AvE You have to be an engineer. Who else would have repurposed porosity as a venting system?
How brittle is the foam?
Ask brittle as a burnt piece of toast
Amazing ViJho. Keep up the great work. Nick.
My grandmother told me that when she was a kid, her mother used spoiled plum jam mixed with sand to insulate the walls of the fireplace they used for heating. They left it to dry out and it made the same foamy graphite layer.
Great video. But I'm dubious about the sublimation. I thought phase transition in that direction was an endothermic reaction and in the clip here it is most definitely an exothermic reaction......or maybe it was a trick....is possible that you added alcohol to the toast for that shot?
I think the charcoal he made is burning away into a gas.
Carbon does sublimate in atmospheric pressure at 4000k or so, no liquid phase, so AVE is correct. It will also burn in an oxidative environment before that, however.
so i could in theory use this to line my foundry or would it not last long enough? i feel as though this probably is already a commercial product or maybe it has a synthetic counterpart does anyone know?
Yeah it would work if you plan to build an electric foundry filled with an inert gas but it guess it would just combust like ordinary coal otherwise.
+Sirko why would it combust (i have not enough chemistry knoweledge to underwtwnd this)
Because the carbon would react with the oxygen present in the air: for a combustion you need a fuel, an oxydant and a certain level of energy. In this case, the activation energy is provided by whatever source of heat you choose and once it's reached, the oxygen bonds with the carbon to form carbon monoxyde / dioxyde (depending on the oxygen availlability), water and heat. So if you plan to make a coal furnace you will probably use a blower to increase the oxygen availlability in the fire to reach higher temperatures but that means you burn your coal faster too. This faster combustion concerns also the _AvE's refractory bread©_ so it would sublimate pretty quickly. This is also the reason why a graphite crucible can't withstand as many pours in a coal furnace than in an electric one. Tell me if there's something you don't understand because english isn't my mother tong
Sirko no i completely understand now, thanks for explaining. english isnt my native language either haha
If there's oxygen present the "carbon toast" will oxidize rapidly (burn) above 600C just like charcoal.
I accidently did this with about 60 french sticks when I was a baker. Forgot them in the ovens at night when they turn off on auto, disabling any timers and alarms you had set to remind you you put something in there, and the morning shift started putting in loaves after the ovens had been back on and heating up for 3 or 4 hours at full heat (220'C i think).
One unhappy boss, and a really detailed set of matching carbonized french sticks for the discerning collector... :)
This video about this amazing material was amazingly amazing. I’m amazed beyond amazed.
Will this work without argon? I know charcol ovens dont need it but is this somehow different
From my experiences making charcoal, my recommendation if you're going to try this without the inert gas in the oven is to pay very VERY careful attention as you're cooking. As soon as you see the yellow flame on the vent hole gutters out, *plug the vent hole* and remove from heat to let your oven cool off. I don't think the results will be as nice as Ave's because of the stray oxygen, but it should approximatelyish work.
Wrapping it in multiple layers of heavy duty aluminum foil (to block the oxygen) and putting it in a fire should work. That is how I make char cloth.
+AvE doesn't the bread have to burn in the absence of oxygen? The other way I've heard of making this is to burn bread in a vacuum. I'm not one to disagree with the mighty AvE but I doubt it will work without some inert gas to displace the oxygen.
You still need an inert gas that will displace the oxygen. 100% nitrogen should work. If you hit the auto ignition temp of the bread with oxygen in the chamber, all you're going to end up with is ash.
it is more reliable under an argon atmosphere. if you don't want to use argon, you need a container that pretty much has exactly the bread measurements, so no air is trapped with the bread. with argon you can use every closable steel container you have.
I was looking at that carbon foam, thinking "I've _seen_ this shape before?"
After you said "I'm gonna tell you what this is" I said out loud "Oh my god... Is it toast?!"
Then you said "White wonder bread!" And I just burst out laughing!
Fantastic stuff :D Bet that smells amazing, too! :P
Two pieces can be bonded together with cheese for extra insulating protection.
Haywood Banks would be proud.
This really is cool. You should be a science teacher as this is the sort of thing that gets kids excited.
These initial videos were so pure and innocent, when did if all go horribly right?
Quote of the day: "It's been a good 3/4 of a beer now..."
could have saved NASA a fortune using this in place of their super expensive, super fragile heat tileh
Methinks at the cost of 1 Canadian peso per-loaf, they would just replace them every time.
that is until you actually think about it and try to iron out all the problems...
it's warped and if that happened due to the process you need to find a way to make it without warping the tiles and to get them in the desired shape and in the correct measurements. trying to control precisely how much something like this shrinks is at best a nightmare. same goes for the ceramics btw.
secondly how would you fixate these on the hull? you can't simply nail them on because the nail would melt, gluing on would work if you can protect the glue from the heat that will inch inwards along the borders of the plates.
thirdly the question is how brittle are these things? you need some resistance to physical impact too in a spaceship.
finally you need to figure in weight and volume, both important again.
so yes, you perhaps could make a heat shield for a spaceship out of toast but once you fixed all the problems, found the solution I kinda doubt it will be that much cheaper.
I think nasa's stuff is better
FSXgta just another brand name
Use a pencil
They are relatively fragile unfortunately! If only they were made of a stronger material, like a piece of burnt toast.
I just want to say thank you and AWESOME! I really enjoy the videos and knowledge you share with the lot of us. Also, I enjoy learning new things and was wondering if you had a list of good technical books?
Hmmmm, now i understand why "Carbon Foam AGM Batteries" are so good and last so long without damage when discharged below critical voltage levels. Thanx for posting. Amazing info. :)
Hows it taste?
I've actually made this 13 years ago, it tastes like cigarette ash and permanent marker.
I was a dumb and bored 13 year old.
How do you know how the cigarette ash tastes like?
I made a horrible mistake of trying to drink out of a soda can that was apparently spent and used as an ashtray already once.
Just give it a scrape and lots o butter it will be fine :-p
piast99
I was a dumb 6 year old and put a cigarette butt in my mouth backwards to look "cool"
I also occasionally smoke pipes and cigars, accidental ash in the mouth happens.
and that, is why it's called wonder bread.
Really hoping this will work for making a smelter cant wait to see if I can actually try it out!
Never seen a video where this guy is so happy
Odd how I could smell burning bread throughout this video... oh wait... I was making toast... that explains it!
AvE, I think you over toasted your toast
I'm super stoked you know what refractory is, from a Albertan refractory bricklayer.
Gotta love AvE's background music from the dubliners to big beats
I'm really not feeling the music, follow the KISS principle
I second that, great vid as usual, don't need the music
It's sounding a little... buzzfeedish here. He is trying with it though, which I have to commend. I like that he's considering the video making process. But I enjoyed his videos because they felt simply "just in the shop". The last video music was like... experimental electronic music it seemed. This one is the stuff you'd hear on a table place setting DIY video or some shit.
I do like the thought behind it, and I welcome him to gussy up his videography skills (a la Clickspring), but yeah he needs better music. Probably can't find good Creative Commons fair use stuff. I wonder if there's some Red Green show type sounding things that would be good in the background lightly.
His simple videos are great, hilarious, and informative. They're perfectly fine kept simple, I like that. I think his end goal is the most watchable video. Not necessarily cutesy everyone accessible, just most engaging. The music helps tie together some of the cuts. He definitely needs to get a little fancy with the edits, the volume needs adjusting, playing one song the whole time can be boring, but its a learning process and striking that balance that takes work. Sound editing is pretty tricky to find that exact mix for the right feel of the video
it's better then the elevator music a couple vids back I'll take what I can get as long as it is tolerable
I liked the music
I'm gonna go cook me up a replacement for my tig finger.
Nice slice!
just saw this on instructables- nice!
replace 80% of the water in bread mix with sodium silicate.. The CO2 from the yeast will pre harden it and then the heating later will make it into a stronger matrix then just carbon
It wont work because the water glass is verry alkaline and it will kill the yeast before geting it to form CO2 .
Sweet a viable use for my wife's toast!
keep your slice in the slot, I love that, very cool thanks
What a coincidence... The last vijayo of yours i watched I left a comment bitching about the music. Then I watch this one and I love your music choice. Keep doing you buddy!
A piece of toast?
My wife has apparently been conducting these tests for years.
Damn, always ahead of us in the kitchen department!
rofl
OPEN THIS
felching tube? LOL
as a welder i love your vids its funny how many people i see that cant figure out why there torch isn't cutting properly look at there flame and want to yell at the screen
DIY autoclaved bread. AvE you are a genious.
If ya wanted to know how to carburize any form of food substance, all you had to do was ask and I would have given you the exes phone #. The carbon tiles actually looked more appetizing than some of the crap she fed me. Mmmm Mmmm Good !
+WO With the sound of how she did things I'm more thinking along the lines of Indian rug burn...
ie. She dumped you.
the drink is called chicha. made from chewed corn.
I guess they don't have any grain high in amylase. Scotch, bourbon and beer usually use barley malt for amylase.
Interesting, in my country, what we know as chicha is made from fruits, be it apples, grapes or else.
In Mongolia, there is Kumys, made from horse milk. It has 1-3 percent of alcohol.
This reminds me when I did buy a cheep one time barbecue grill with Charcoal briquettes that seemed to be made of tiles meant for the space shuttle heat-shield... The grill would not light even with a propane torch and only result was that the briquettes would glow red hot as long as you put the torch to it. Take away the flame and immediate they would cool down and the briquettes seemed to be totally unharmed.
Did you not use any lighter fluid?
Excellent! Now I just need a few hundred loaves to line my attic with!
Hey, send me some of that new Budweiser Prohibition Brew that's only available in Canada. :)
I've seen the same phenomenon when overheating certain nylons, just hot enough and they turn to goop, too hot and they get hard.
sounds like my dick.
Is it black and crusty?
Crush the carbon and make diamonds.
exactly! Will it press?
Can you do a breakdown of your old Milwaukee drill? I wanna see why that's so good compared to the new ones.
I'm hooked on AvE's videos damn it. This guy is fkn awesome. It's like Einstein, Tim the tool man Taylor, Adam Savage, and Canada had a baby lol
Good video part from the stupid music playing in the background lol
I came here specifically to ask what music it was because I loved it so much
is it bread?
ha, called it
It
Lol...
"It's been a good three quarters of a beer,, now", Love your scale of time.
you should look up zimmer trabecular metal (TM). It's a product for joint replacement, mostly hips, where joint replacement parts are made in this type of carbon foam and then tantalum is deposited on the foam lattice by vapor deposition. The carbon is washed away and the tantalum foam remains. It has exceedingly robust bone-ingrowth properties because both the pore size and the modulus of elasticity are similar to cancellous bone. They make it in a factory in new jersey which I had the pleasure to visit about a year ago. Other companies have similar products in titanium but my opinion is the Zimmrer TM is superior.
P.s. they start with foam similar to seat cushions because of the specifications on pore size.
I'm at 0:53 and I'm going to guess a sponge
Or bread. 1:00 looks like bread
I thought sponge at first too. Sure looks like one haha.
That does give me an idea though, A sea sponge might be able to carbonize in the same manner... animals are mostly carbon, right?
Usually they are, although interestingly some sponges have an inorganic skeleton made of silica
I was thinking more of a synthetic plastic sponge.
woh woh wait just a darn minute there! that's NOT a thermo-couple. THAT my fine friend is a THERMISTOR, Mister. i may not no much but i ken tell the difference 'tween a thermocouple and a thermistor an that there's a thermistor. An a Bonjour mon ami! como ca va?
call me an idiot, but a thermistor is really just a resistor used to read thermal energy or temp. a thermocouple is a bymeatal thingy-ma-bobber.
It's a thermocouple. The weld on the end just looks a bit blobby, making it resemble a thermistor. It would not work properly at all if he had connected a thermistor up to a thermocouple conditioner.
look up TM-902C.
thermistors don't go to 1300C, they rarely go above 300C before self destructing.
+ms3bani I stand corrected. thank you. more research is needed on my part
Not, it is not a thermistor, by definition a thermistor is an discrete device, so a meter would only read a opened or closed circuit.
You sir, are the best damn "sperimenter" I've ever seen. What a scientist!
Love the funky industrial music.
we use the EXACT same process convert tree carcasses into charcoal. man i love this channel :)
you got my vote AVE
I greatly enjoy your reviews and tool teardowns. I recently acquired a DeWalt DCB1800B and have attached 4 of the DCB606 batterias. Please consider performing an analysis and offering a skookum quotient or other opinion for this charger/inverter. Mine will crank a table saw or a heavy duty chop saw with metal cutoff blade with ease.
This is friggin amazing!
AvE is the greatest!!!
In some way RUclips decided I should watch one of your videos. Have been addicted ever since. The extra treat was a link to "DoubleBoost." This video was fantastic.
Have you tested the durability of it? I’d be interested to know how is holds up to stress and impact
This was an excellent video.