Fastest Concrete Jet Boat

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#concrete #RCboat #speedboat

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2 ноя 2022

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Комментарии : 824

@keithjurena9319 Год назад

Custom concrete is typically used, silica fume and glass fiber with high air entrainment. Also use glass microspheres instead of sand. Concrete with a density of 800 kg/m³ can be made, this floats in water.

@shawnrinkel8377 Год назад

Exactly what I was going to say and glass fibers to make it have tensile strength.

@KrazyMitchAdventures Год назад

Its called FERROCEMENT. in the early 2000s I owned a twin-hulled 30ft FerroCat, powered by 2 800 hp 8.5L Mercury Stern drives. She started life as a Catamaran Sailboat, and I strip it of everything pertaining to the sailboat. She had 2 4cyl Mercury inboard stern drives. By the time I was finished I had a Speed Demon, on plane on open ocean, I reached 75 mph top speed

@brandydarling1 Год назад

Hey Peter try this!!

@WetDoggo Год назад

how about Styrofoam and glassfibre concrete 😂

@keithjurena9319 Год назад

@@WetDoggo Then it becomes a polymer composite. Can be lighter than aerocrete or foamed concrete with superior strength but is not suitable for thin sections.

@martin_mue Год назад

For concrete to cure to its maximal strength you need to make sure that the concrete stays wet for a few days. That is especially an issue with such thin parts as they dry out quickly. The reason is that the chemical reaction (hydration) needs water to work. If the concrete dries out, calcification starts and that creates just weak chalk.

@tobthebomato1588 Год назад

They added sand

@ChristopherGuilday Год назад

Calcification is what caused that condo complex to collapse in Tampa that’s down the road from my house

@martin_mue Год назад

For anyone interested in more in depth knowledge about the magical building material that is concrete, I would recommend this great youtube series by @PracticalEngineeringChannel : ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-UOHURuAf5iY.html

@wilsonrawlin8547 Год назад

Exactly. Properly cured, it would've been much stronger. Still not ideal used like this. ;D

@DominickMedico Год назад

Yes the longer it cures the stronger it gets but if they used a plasticizer and a fiber glass filler which speeds up the curing process with the addition of additional strength then there shouldn’t be an issue with it cracking. Also the way they got it out of the mold was awful. It would be better to drill a hole in the mold and shoot compressed air into it to have it release

@as7. Год назад

Make a glider and fly with it

@sydneypalenge5982 Год назад

@Zimmon375 Год назад

Because he never flew in a selfmade plane

@3dwaffle135 Год назад

@@Zimmon375 "glider"

@3dwaffle135 Год назад

@@Zimmon375 🤓

@gsantee Год назад

Yes. Concrete glider. Maybe it's performance will help us inform a better "soft landing" performance model for economic monetary policy.

@servant74 Год назад

I am in Nashville TN area, a friend took me to the concrete boat races. It is an annual event with colleges competing with students from their concrete technology programs. They carry real people and are full size canoes basically.

@maurin1899 Год назад

its a thing in germany/switzerland aswell

@FilosophicalPharmer Год назад

Now water we gonna do?!

@mhartleroad Год назад

Fellow Nashvillian here. Where and when are these races?

@servant74 Год назад

@@mhartleroad It was in the spring I think they are held, Percy Priest lake is where I went, assuming they stay at the same area. Good intercollegiate fun, teams from various colleges.

@reillythompson664 Год назад

@@mhartleroad Look up ASCE concrete canoe. 2023 is in Wisconsin, though.

@IsThisOverlyAnalytical Год назад

Concrete boats where used during Operation Overlord to create a temporary harbour to supply ground troops. They worked so well the engineers had difficulty sinking them to create the harbour.

@johnbeauvais3159 Год назад

That’s not quite the story, there were two harbors made, A and B for American and British. Those harbors utilized caissons called “Phoenixes” which were giant concrete tubs, pump out the water and they float, fill with water and you have a breakwater or mole for offloading ships. Some of these caissons are still around today as they’re quite robust but they were designed to be easy to sink in place.

@Leggir Год назад

My cousins built a 45' sloop in '83 out of marine concrete and then sailed it around the Pacific for the next 10 years. They said it was very heavy, but also quite stable in storms.

@nate88888 Год назад

tf?

@daturave Год назад

I live on a 39 feet 86 built ferrocement yawl

@lr21643 11 месяцев назад

I knew someone who built a ferrocement boat that size, but I never heard him talk about it much.

@HerrProfessorr Год назад

There were some sailing boats made out of concrete, I sailed on one myself. Maybe that could be an interesting test because then, weight is actually good for stability !

@alexsabau5942 Год назад

About 1:42, did you know that there was an experimental aircraft carrier to be made out of ice and wood? It was named project Habakkuk, and would be made of a mixture of wood pulp and ice lmao

@ChrisTheGregory Год назад

1:30 I once had the opportunity to wreck dive on one of those WWI-era concrete ships, and based on what it looked like below the water, its primary cargo must have been septicemia.

@NatVoisey Год назад

I didn’t know there were boats made out of concrete, but now I can remember times I’ve seen boats like these. Great video Peter, Steve, and Sam!

@petevenuti7355 Год назад

Some cement used for tile work is formulated to be somewhat flexible. If whipped up with air bubbles it might not be as strong but it will be lighter. It's still a Portland cement based product so flexible and light is relative... You should also try plaster. At least bring some of that plaster like you make a cast out of , for an emergency patch , if you spring a leak , if you do a full size boat, plaster can set underwater

@lopypop Год назад

Peter is so creative! Thanks for the consistent uploads dude!

@usernameloading...2851 Год назад

Totally agreed

@insAneTunA Год назад

Here in the Netherlands you can buy a floating concrete house. Completely made out of concrete. They don't go fast, but they are extremely comfortable.

@kameljoe21 Год назад

The next boat should be marble. Finding someone with a cnc router that is set up to cut stone and shape the out side and carve out the inside. Then a slab to make a nice lid with a rubber ring. The thing would be a cool!

@EnderMalcolm Год назад

Fun Fact: During WW2, German engineers were tasked with finding a way to patrol and protect waterways and river ports from Allied attacks. One way in which this was done was to take a concrete barge pontoon, add a wooden deck, engines, and a control hut. Then, on each corner, quad 20mm anti-aircraft turrets were placed, and supplied with a mixture of explosive and armor piercing ammunition. This proved a very slow but fairly menacing craft.

@MCsCreations Год назад

Pretty fantastic work, guys! Well done! 😃 Stay safe there with your families! 🖖😊

@Francois_L_7933 Год назад

I know that the guys at our local Polytechnique build some stuff like that all the time. They mix in the concrete some styrofoam beads to increase buoyancy and reduce weight. They also add fiberglass fibers to the cement to make it a lot stronger. Once it's out of the mold, they polish the cement to a shine and wax the heck out of it. They also make toboggans in a similar way.

@Thrmoplylae- Год назад

We are now closer to taking the phrase “flying brick” to the next level

@johannnorris6350 Год назад

Mix some shredded fibreglass sheets in the cement, your Boat will be a lot stronger

@MrGridStrom Год назад

Its really interesting to see that even with all the extra weight the boat still planes. I'm currently designing and working on a highly detailed, tiny 1:74th scale 3D printed RC boat that has a very badly designed and slow displacement hull and im planning on changing it to something like a deep v planning hull.

@ayanoaishi7189 Год назад

it's actually cool too when you add fiber glass on to the cement when it being molded it gives structural support on the cement

@charliewolf7500 Год назад

We made concrete roll up canoes and raced them at university in the early Nineteen Nineties. The trick was to make the concrete really thin. Thank you for the memories, entertainment and sharing.

@brookekathryn1980 Год назад

Built these in physics in 2004 after building solid fuel rocket engines and DeLevel nozzles to maximize thrust. Then, you guessed it, rocket powered concrete boats! Best day of highschool ever! Even, beat the day we made Air Crete planes!

@JustinsGarage Год назад

The inflation reduction act had me dying.

@rcbirdz Год назад

I wonder if Air Crete would do any better? Great video Peter.

@loveistheanswer5924 Год назад

When I watch these videos I wish I could also build such things. It looks like total fun. 😄 I am certain I would have interesting ideas if I just would have the knowledge. 😁 Good video 🙂👍 Now do a rocket boat or a REALLY fast one. 😉

@summitbuilds9206 Год назад

Never heard of concrete boats before, but they sound interesting.

@crazybird199 Год назад

Oh boy, more boats with Peter!

@GaragebandandBeyond Год назад

You should make an inflatable ultralight, like the old one that Goodyear used to make.

@brendanraven79 Год назад

Always loved the rc boat videos that you made. I do have a video suggestion, maybe try a rc jet boat video. You can buy a kit online that has the esc, motor and the impeller tube with thrust nozzle that you could drop in a homemade hull. Anyways, keep up the great videos brotato chip!

@kevinsgarage Год назад

I'm excited to see what you do with the Ranger Tug!

@OSFAS420 Год назад

Great job Peter!

@AstroFishie Год назад

so cool! would love to see you guys make a big Concrete boat!

@finn_7306 Год назад

You should make a concrete plane, awesome video 👍

@craigrussell379 Год назад

Charlie Brown. "I got a rock". Love it

@briangousby8474 Год назад

Finally my monthly Peter video.

@JoelCreates Год назад

That was a concrete metaphor

@badsamaritan8223 Год назад

Aircrete/foamcrete could float quite well, potentially. You can mix cloth, wood, glass, or carbon fibers into the aircrete/foamcrete, to give it a lot more strength.

@aldricerland7323 Год назад

another interesting idea is you could use foamcrete which is much lighter and in either case you can also seal concrete which might help with long term water resistance and surface quality

@dammersr Год назад

Peter, the famous friend-of-a-friend (back in the '60's) used to make a rowing dinghy every holiday on the beach. He made a sandheap mould, then spead chicken wire, mixed concrete, and spread it over the wire. Once set, the boat was turned over, remaining sand removed, and ready for use. At the end of the holiday, the boat was abandoned. Just a bag of cement, and a pair of oars in tge car!

@ChristieNel Год назад

Loving the stock market commentary.

@johnathansmith9059 Год назад

"Chum Shot" is by far the best boat name ever.

@blainesworld6404 Год назад

Anytime when u upload I'm always clicking it. You make awesome content but also stay true to your channel

@oxwilder Год назад

I loled at the Charlie Brown "I got a rock"

@sofaking1102 Год назад

Outstanding!

@hilxly Год назад

Let's go my fav youtuber

@Tramnack Год назад

"I got a rock." Don't know if that quote was intentional, but it was great! XD

@Foamieninja Год назад

You've officially cemented your place in the boat world :P

@michaeldprovenzano9936 Год назад

I liked the transition at 1:28👍

@AgentWest Год назад

Instead of mesh try chopped fiberglass. Typically it's just bits of around 10mm long fiberglass strands. They get mixed into the concrete for pours that need to be incredibly strong, sometimes as a complete replacement for rebar. Saves time/$ on building rebar cages, and in some ways it is even stronger since the strands are mixed in uniformly instead of being basically one layer. Plus nothing for rust to attack! Not sure what mix you used here (looks like gray Portland cement + sand, maybe a 2:1 ratio?), but there are much stronger mixes out there. Something like 1:1:2:1 of _Gray Portland Cement + White Portland Cement + sand + Fiberglass_ should give much better results. Do give your local concrete mixing plant a call before building the full-scale boat though, they would be able to help you way more as far as mixes/additives go. There are many recipes out there and the most common one is only 3000 PSI (takes 3000 lbs to crush a 1x1x1" cube), but they go to 6000 and maybe even higher. And lastly, let the thing set for a while. Technically concrete is strongest after about a month, but it should not even be de-moulded sooner than about 2 days for something this thin.

@VigilanceTech Год назад

Benford did extensive testing on ferro-cement panels made of different thickness/compositions. One I recall, was a 4'x1'x1/2" plank propped up within 1 inch of it's ends where a sharp woodsplitter type blade was pressed down in it's middle. It ended up bending over 4" with over 700lbs applied to the blade before it broke leading to a PSI rating of 19,500 LBS, e.g. sufficient to sink into the the bottom of the Marianas Trench without imploding.

@AgentWest Год назад

@@VigilanceTech Considering that 4000lbs is common for floors, 19.5 is... holy sh*t!

@nickes6168 Год назад

I checked up on your channel today, it had been awhile. I then later had a notification for this. I can only imagine what you're gonna come up with next. Cheers.

@ZachsGarage1 Год назад

I love it! Concrete plane upcoming?!

@billdavis2910 Год назад

Another great video Peter. I really like your aircraft videos because I grew up on a small airport (76-G)that my dad built. I'm 77 now and enjoy your energy. Thanks again Peter. Keep 'em Flying, floating, rolling and tracking❗👍😁✌🇺🇸🇺🇸🇺🇸🇺🇸🇺🇸

@loukaspaquette2544 5 месяцев назад

There are still some floating in my town's harbor as a breakwater, in Canada.

@walk4718 Год назад

Aw, Toby in his little raft 👍

@suryakamalnd9888 Год назад

Amazing video bro

@alexandergrimsmo Год назад

Beautifyl, just beautiful mate!

@ShawnMeira Год назад

Pretty neat!

@Robert-ni6ut Год назад

Nice viedo and project just love your boat 🚢 videos glad to see it worked concrete who knew lol.

@lancevanvelzen4832 Год назад

We not gonna talk about the dead diver?😂

@ajd5634 Год назад

4:13 Peter: YEeEeeAaAaAhhhHH

@Sebas-kp7ju Год назад

Enjoy your time in the Keys Peter

@mikahs7944 Год назад

You’re brilliant brother. I just turned 24 but you give me inspiration to do the sings I’d think of doing when I had more dreams.

@user-gt7mr9hj1j Год назад

Peter we NEED concrete AIRCRAFT!!¡!!¡

@michaelmccotter4293 Год назад

Placing a light mesh in the concrete will make it resist cracking. You might try fishing net type materials.

@WanderingDad Год назад

You're looking at this all wrong: You very nearly made the world's fastest submarine.

@shijanjung7467 Год назад

love you dude from nepal🥰😍

@ludoogle8420 Год назад

Great video :) Would be curious to see how you 'salt-water' proof everything RC inside the boat

@Guywithalimp7 Год назад

Alright, I'm subscribed now. The inflation reduction act bomb was beautiful

@truenaturestormers2525 Год назад

LOve it, all of it, we love ya, have a wonderful day.

@exgen419 Год назад

Idea: Speedrun building a plane. Doesn’t matter what type, just build one as fast as possible.

@Davis777_69_years_and Год назад

8:22 I see what you did there😳👀😂

@weld4200 Год назад

Rele is a beast of a boat

@TravisFabel Год назад

"I got a rock". LOL!

@FahrulFahrul Год назад

Very nice

@DracoOmnia Год назад

Ps practical engineering did a really great video on concrete, if you plan to move forward with concrete ideas I highly recommend giving his video a watch, you'll concrete your concrete game like legends.

@ArtamisBot Год назад

Awesome 💚 But now you need to make concrete fly...

@Weisz Год назад

lets go u & me full size concrete boat race

@DominickMedico Год назад

I work making concrete sculptures using fiberglass molds and there are a couple things special about the concrete mixtures we use as well as how me pour them. First off as the mixture goes. It is important to use some sort of Plasticizer in combination to gain strength and flexibility in the concrete. Second the concrete should be thicker in a uniform sense….so a two part mold would be a better idea. If it is a quarter-half in thick all the way around you will certainly have less issues with it shattering.

@thomaspryor8202 Год назад

I like it! You just need to up your concrete game. I look forward to your next one.

@NaeroSpace 11 месяцев назад

Your videos are so interesting. Still stoked I met you coming into the Air Force Museum in Dayton, Ohio! I was the goofy lad with the handlebar moustache working. Thanks for what you do :)

@Viktorus34 Год назад

you can add threads or fiberglass to the cement mortar, then it will not fall apart not on water, not when pulling out of the mold.

@ArkhamHedler 5 месяцев назад

Out of nowhere the guy pulls out a Ruger MK4 lol One of the most beautiful pistols, and very quiet.

@FPVREVIEWS Год назад

make a hot air baloon with concrete. ha ha. or a car body. that would be funny. Remember the adobe car from the old SNL skit?

@paigesmith6416 10 месяцев назад

Hi peter ..I've had some experience in building concrete models ..I studied architectural design under a ship's architect named Richard serving ..about 50 years ago.... for the purpose of model building we used plaster cast material.. like the doctors used to use for broken arms ..this way we kept the weight down and could control the thickness of the hull .. it was already reinforced with a cotton cheese cloth .. then to seal it we used fiberglass resin ..of course nowadays I'd probably use a really good epoxy.. believe it or not .. this type of hull worked extremely well and was very forgiving ,sandable and fairly lightweight.. I also learned plank & frame building at the time .. I think I was around 6 or 7 wen I took those classes and have enjoyed model boating and rc ever since .. I hope that tid bit helps ..I think you'd be surprised.. another not to well known material that was nearly used to build an aircraft carrier was a mixture of water and sawdust that was frozen into a solid ..that was called piecrete.. that stuff is amazing..it held up extremely well to all kinds of artillery and gunfire .. and of course it didn't sink ..being ice ..look it up ..just for kicks

@katrinarose2210 Год назад

Yes do it, big rideable concrete speed boat, now plz, what are you waiting for, start sketching and making prototypes

@CHIMPANZE_EN_ROUE_LIBRE111 Год назад

You can’t dislike this guy’s videos ❤

@pseudotasuki Год назад

Fiber-reinforced cement might be a good choice.

@balisticjoe Год назад

Did you try using fiber reinforced cement? Better tensile strength

@BOTGRINDER Год назад

ha! great video.

@Retrolizer 11 месяцев назад

HE MAKE ROCK FLOAT. HE MAGIC MAN.

@ZeroSuitSamo Год назад

FYI the mesh will definitely still give the boat support, but it's not really doing the same thing as rebar. At least not how I understand it's use in things like bridges. The rebar is stretched, the concrete poured and cured, and then the tension released. Concrete is incredibly strong in compression, but very weak in tension. So by doing this the rebar is constantly keeping the concrete in compression, even on the underside of an arched bridge that is flexing from the weight of cars passing over.

@khanmustafagaming2064 Год назад

big fan bro

@hollismunson7240 Год назад

Legend

@smokster0604 Год назад

Amazing how cool 😎

@kadenhunt1462 Год назад

sterling powered boat would be dope

@danvanmuizenberg6650 Год назад

If you want to try a cool composite for this sort of thing, try adding pva glue to the water in a plaster of Paris recipe, it has been a decade since I last used it, but I think as much as 50:50 worked well

@thomaslowery7485 Год назад

You should do a boat out of pykrete (ice and sawdust). It sounds crazy but there were actual plans in ww2 to make an aircraft carrier out of the stuff

@SCHockeyGuy83 Год назад

Next 4th of July special exploding concrete boats just an idea kind of liked seeing that big explosion at the beginning. As always though a ton of fun to watch your videos.