Project 250mph Quad Motor RC Car 1st Drive
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- Опубліковано 29 тра 2023
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so much work went into this build, respect! manifesting that you break the record!
yo youtube themselves????
Wooo, cant believe youtube watched my vid!!
And do you play on Xbox
And do you play on Xbox
What the heck😂
This is the content we want to see
Wao
THUMBS UP
Nice
Great
Thumbs
Kev you achieved a power to weight ratio of 2.5 which is insanity in the world of racing and I’m impressed
That is insanity in general. From what i checked on the internet really quickly(take this with a grain of salt), not even rockets or jets have this kind of TWR. Like even Air-to-Air rocket has less(1,2) TWR that this. So i would say that calling it insanity is maybe and understatement.
@@likilike501 actually if built with the right materials missiles and model rockets can have an even better thrust to weight ratio than this car has in power to weight but they’re also free of the ground and slipping through the air, nothing else with a shaft based drivetrain has ever been operated with power to weight this good except maybe a land speed car and even that’s a maybe
@@stevenbryant3055top fuel dragsters have a significantly higher power to weight ratio
@@TheCreamRisesToTheTop actually it’s about on par the engine drivetrain and tires of a top fuel car are surprisingly heavy but it’s also the same situation here although Kev’s car shouldn’t need a rebuild after every single fire up unlike a top fuel car which is a huge upside
Its very good. To put it in perspective, a top fuel dragster has about 3.37 horsepower per pound, using a fuel source thats over 800% more energy dense. This guy did 2.5 in his garage using batteries.
Even if it didn't break records, you should still be incredibly proud of it. The level of detail and craftsmanship is truly remarkable! It's an absolute masterpiece. 👏🏼🔥👍🏼 Don't let the absence of a record diminish the incredible achievement and effort you've put into this project. It's an epic creation that deserves recognition and admiration. Keep pushing the boundaries of what's possible! 🚀🏎💪🏼
Kev, if you get a good 3d scan of the car I can run some CFD on the design. I think the person who really takes that seriously is going to be the first to 300mph+ (note I am not an aerospace engineer, but I do work for the company that makes the software and i have used it a good bit.)
gonna help ya get kev to see it o7
that does sound like a brilliant plan
Epic
This is a great idea! Kev, if you are reading this, please make the scans public if you decide to scan it. I got a background in aerospace and I would love to run it through CFD, too.
Arerodynamics is very important. Please Kev, read this.
If it didn't break records you can still be proud of it, it's looks absolutely epic!
even in a bag.
If you’re not first might as well be last
It’s in the bag!!!! I have $50k on it!!!
This world used to be a place to learn to suffer, but that has to change. Make this world heaven!
@@whiterabbit9938 lol no
Speed record goes up, but Talbot doesn’t back down! So glad that i am watching these videos as they are coming out. Makes me feel successful watching you chase your dreams! ❤
The fact those tiny motors are 25 HP amazes me. Serious build for sure.
They're not 25hp. I don't know where anyone is getting these numbers from. I'd like to know.
@@timramichKev keeps saying it, seems they are OVERLOOKING what makes brushless motors spin faster!!
@borisdaborghadanuff2382 Just the size of all the wiring on these setups is enough to know there isn't 100 HP total. I doubt it's even anywhere near 25 HP total. Probably around 10 HP total.
This channel is the ultimate "What would happen if I did this? Let's find out!" RC channel
The definition of f around and find out hahaha
Anyone else read this in kevs voice.
You have a channel?
I've lost track now, has he ever actually broken a record?
Wow mega build Kev amazing good luck for the speed record dude 😮👍👍😃😃😃
Hey Kevin, long time watcher here! If you're looking for the PERFECT 'helping hand' get yourself a Mag Base - they're used in machine shops a lot to hold dial indicators. They're easy to manipulate, and the arms lock in place.
I know you probably wont see this, but it would definitely be a great/simple/easy solution!
I think you're talking about a Nogaflex?
The "MORE POWER" is finally a reality!!!This thing will be scary...Good luck Kevin!!!
This is the content we want to see. A build like this is out of the reach of most of us, so keep up the good work Kev.
I also agree… it also raises the rc standard and sets the bar for what enthusiasts find appealing. Hopefully this does not make previous standards and goals obsolete 🥸 imagine that 🧐
I agree!
I agree
Something too think about is that the farther back you have your center of pressure the more it will want to stay straight, increasing that pressure would be like adding more fins or adding a small wing to the back, or you could try and decrease drag at the front of the car. I hope this can help if you need it, otherwise you can look up some stuff about rocket aerodynamics and how they stay straight.
That's why it's a comments section
❤❤❤
😮😮😅😊
Shifting more weight to the front will help well. The key is having the aerodynamic center of pressure well behind the CG.
@@MX304cg needs to stay in the middle of the wheels. I want a tail as long as the wheelbase!
AWESOME build! I must admit I was skeptical about the long wheel base, but full credit to you for making it work - very exciting!
Never thought I'd see Kevin with xlx2s again after the initial flaws. Good to see he's giving them another go
What flaws? People were mixing and matching thr esc with delta wound motors instead of the wye motors that castle designed their system and motors. This caused a huge amp increase. They released a public notice describing this after everyone tried to burn castle at the stake. This was a common problem back in the early days of brushless so i knew that was the problem right away.
@@mindwreckRC the first initial batch had some issues. busbars were misaligned and if i remember correctly with thermal expansion it created a short inside the esc
I was seriously considering Castle till I saw that vid I am glad he is giving them another go on a big project like this. I really liked the data logging aspect of the ESC I was unaware of the delta, wye configuration issue.
You’ve got to bond some square section along the length of the chassis to make it stiff enough for that suspension to actually work .
That frontal area could be reduced a lot. Love this build.
even some lightweight L's along the two sides would work as well.
Squares aren't the best, an I beam or triangular would be stiffer with less weight.
@@muskokamike127
Because you know all those cars with I beam chassis . . . .
I beam is not good for a twisting force, square is better. Sorry but your thinking about building house of skyscrapers not cars.
@@Whateverpoopiepants And you're thinking of a car that will be going around corners. This one won't be.
This is a special purpose vehicle to go straight as fast as possible.
@@muskokamike127
I’m quite familiar with this type of stuff.
What with being an engineer for lotus.
And you’re still wrong, when one wheel sees additional load that is a twisting moment.
Not every bump will be hit with both front or rear wheels at the same time, that’s why you have dampers on every corner. . .
Or trangular. Absolutely. Stress on that centre section will be massive. Next speed build - make it a circular cross section chassis or triangular
Awesome build! I can't wait to see you break the world record!
Wow that is awesome, has to be scary as hell to run something like this, genuine road rocket 😮, good luck!
With the solid centre drive shaft, kev could make a bearing carrier anyway to stop it flapping.
The car looks like a great recipe for speed though, the longer the wheelbase, the easier to keep going straight .
Kev's reinvented the limousine. 😅
longer = faster. In drag racing, skiing, boats. That's why you see 5'5" super G skiers with 3400 mm skis.....
World record or not, it's going to be an epic run...!!!
Kevin Talbot has built a great RC car again. I am really surprised every time I watch the video. This is the best video.👍👍👍
This is by FAR the best series on your channel!!! Love it!
Not so long ago RC cars hitting 150MPH was absolutely mental.. now they are going towards 250mph.. Technology is advancing so quickly, and im all for it! 🏎
World record or not this car is epic! Altough, i do think it its is capable of a little 225 here and there. Lets hope!
You really need to sort out the balance of the car though.
But thats where trial and error is for i suppose.
Good luck on the speedruns Kevin!! (Just dont SEND IT TO THE MOON just yet. 😄)
PS : These speedrunning videos really get my hyperactive brain going.. I'm going to build something too. Just a way smaller scale. For the funs.
Setting goals, breaking my own records.
That rig is absolutely wicked! Great work Kevin! That’s some serious speed!! 😮
At this point, I think Kev should go for World's Farthest/ Highest Jump..
Build a huge ramp and launch it into orbit
nah, TO THE MOON!!
@@jonshook7407 Talbot Space Program is a go
The power of this beast 😮 can't wait to see this thing fly.....or fry 😅 awesome work kev
WOW! That MUST be it, I am so exited Kev! All the best of luck for the next proper run! 😘😘
This is such a good video kev! Love hearing all the potential issues and how you’re going to solve them. Often happens in RC but maybe not 10 solutions back to back like this!
Nice video
I love you Kevin your the reason of my new hobie I usually watch specific videos for rc cars until I found u❤
Can't wait to see it go & smash the record... car looks amazing 😮
Love what’s been put into place looking great, can’t wait to see more on this build.
back in the day for on-road 1/10 oval cars, we ran rubber cap tires. it was a foam tire trued way down then a rubber skin glued down over the foam. Like cutting a section of an inner tube and stretching it over the foam. They were very durable and would keep tires from exploding. Also for low drag race cars, we would use some thin delrin material on the bottom of the chassis to keep from damaging the bottom and it's pretty slick so it wouldn't slow the cars down as much as dragging the chassis. Now you could probably use some Star Board.
MOST AWAITED SPEED CHALLENGE ON UA-cam...LETS GO
Awesome build kev. You are differently going to get a good number, great job my brother, I ❤ it...😁💯👍🏿
Can't wait to see the final speed run Kev! Thanks for making RC so much fun!
🔧🚗 To enhance the suspension's effectiveness, consider adding square sections along the chassis to boost its rigidity. This modification can significantly improve performance. Additionally, reducing the frontal area would enhance aerodynamics. Love the exciting progress of this build! Can't wait to see the first drive! 🏎🔩💨
We really have to appreciate how good this guy is at his job
ok
As an fpv quad guy, my brain glitched seeing those ESC's. Good god..😮
I never realized this goes faster than real cars and also as fast as some supercars.
This is by far the most exciting build I've seen! Fingers crossed for you Kev!
This is totally badass! I have no other words to express how exciting this is! Good luck Kev!
You know? Its about time us dudes enjoy some of the toys we worked so hard to get.
Love how things are really going big for dudes out there having fun!
For soldering I use a magnetic clamp for each ends. I work on pickups not RC stuff but it’s worth a try
You really make working on things look easy! This was definitely a lot of work! Makes me work on things better! I always think to my self when in a jam… what would kev do?…he’d get it done! Good luck! Hope you get the record.
I’m absolutely loving this and can’t wait for your WR attempt! I would still run carbon angle down both sides of the chassis, screwed and epoxied, as well as the center brace. It would really suck to break this thing in half after all that work and money. It would also allow much better body mounting down the sides. Without this, even if the chassis didn’t break in half it could still be catastrophic in the middle of a run if the belly was slapping or dragging on the pavement. This is one heavy beast! Very best of luck and Godspeed!
this is the type of content YT was intended for.. excellent.
I've been a fan of yours for a long time now Kev, hope u get the world record with this car🤞✊
I'm actually more interested in the amount of HORSEPOWER this beast has in it than i am the speed it might achieve. 💪 AWESOME BUILD MAN!!!
probably the same as a 250cc bike
25hp per wheel, so 25hp, lots of tourque but, kv and cell count dictate the rotational speed of brushless motors, doubling up or QUADING just reduces LOAD, it does not make them SPIN FASTER. They are all the SAME KV!
I really want this to work but 😂with Kev’s trigger happy finger I don’t know how long this beast will survive! Don’t scratch it! ❤
Your videos are always fun to watch. Thank you Kevin for uploading and for the entertainment :)
QuadHands workbench. Best soldering hands ever!!
This battle for speed in the RC car world right now is fascinating. The clash of high end technology mixed with a "screw it, let's see if this works" mentality is amazing to watch. I wonder how long it will take until someone really takes a solid look at the aero design or they get a new wheel that doesn't disintegrate and has the right friction properties they need.
I agree with how you worded it… We are on the verge of accidentally discovering something completely new.
Kev's biggest issue is he keeps re-using tires after each run. Bugatti ditches the tires after every run because they degrade. They are doing 390 kph in scale, kev is doing 2100 mph. No wonder the tires don't hold up.
Amazing build! Excited to see it break the record. 😎🤙🏽
Best way to tidy up the wires if you don't want to shorten them, is to wind them tightly around a thin screwdriver or allen wrench. Then you pull the screwdriver out and the wires are nicely pig-tailed.
ok
Wow what a beast! I hope you can beat that record kev you deserve it!
I speak for all of us when I say. We need a part 3!!!
With a dart, you want all the weight at the front because it’s the inertia of that weight that is moving the dart through the air. Once the dart leaves your hand there are no forces (aside from aerodynamic drag) being applied to the dart, it’s just the momentum of the mass. If that weight is towards the rear and the there is drag at the front, you end up with an inverse pendulum effect, it wants to tumble. With your car, you are constantly adding force and not relying solely on momentum (unlike if you had launched it from a slingshot or hotwheels launcher). In your case you want all the mass out at the extents of the car to create the greatest most stability. If you put all the weight in the center, the car turns very easily, put it all at the front and rear and the momentum of those two masses actually helps to resist the car changing direction, ie it becomes more stable at speed.
Randomly discovered your videos a few weeks ago.. so good.. love your editing style and your personality. Great vids mate!
thanks bro!
@@KevinTalbotTVmy pleasure!
That looks epic Kev! Cant wait for the speedrun attempt!
I just wanted to reach out and thank you! My 4 year old asks for your videos by name and highly enjoys and reenacts them with his monster trucks and has now started asking for RC trucks. Again thank you!
and here I am thinking 50mph is wild 🤣🤣
but seriously, that build looks wicked Kev, wishing all the best in your speed record attempt!
This is a good test in order to determine if with the exception of each motor/esc carrying its own weight, will doubling the power every time also double the speed, but again with the exception of wind resistance, inertia and drag, what is the ratio or formula on how dense the atmosphere becomes in increments of MPH?
For soldering the battery connectors, search your favorite place for soldering pliers. There are many different brands but most all look similar. Maybe with a little modification they could hold the battery connectors for soldering. They are super handy for wire to wire soldering so either way they would be useful.
I would be honored to be this guys friend he seems like a good person and he most certainly would be able to to teach me some things about rc cars hes kickass
I love it !!!! I don’t watch much on youtube but Kevin ……I love his videos !!!
Damn bro I really hope you break the record this is an impressive build and I wish you the best of luck go Kev!!!
You can't judge a fish by it's ability to climb a tree,, Classic Kev,,,I hope you get that world record,, keep up the great videos
this thing is pure madness and I love it!!
THE BEST VIDEO I HAVE SEEN IN MY LIFE!
This is a fantastic project Kev. Really looking forward to seeing more of it. if I was doing this, (ha ha yeah right) I'd put some kind of angle section aluminium/carbon fibre on the edge of the chassis to help stiffen it.
I think you may need to put some kind of protector on the bottom. Awesome that Raz is helping, and have you seen that lad who had the jet car last year, his new project? It's awesome.
just an idea kev, so that the chassis doesn't sag so much maybe stack the batteries on both ends, and then there won't be as much weight in the middle. it just might save the car whilst driving. also thank you so much for releasing this video, we've been waiting for so long! keep up the good work man!
Yeah but that screws the aero if all the mass is on both ends, best if it is dead centre or 60/40. Also wheel covers would be good
@@hawkiefindlater6451 yeah true
Exciting things to come!🎉
Glad to see your still doing what you love.
Only one thing kinda concerns me, is that you could get resonance vibration through the chassis, as it looks like it can bend and bounce quite easily. This could cause the wheels to loose grip and decrease stability. Perhaps some aluminum struts through the entire structure from one and to the other to create a more rigid body, might be a good idea. Just a thought mate :)
Would the resonance only happen at a certain range of speeds? Maybe it could be tuned so the worst vibrations happen at lower speeds?
This is definitely going to make a good run at the speed record which as I believe now stands at 219mph. I think you have a real shot at it, the HP to weight ratio looks good and aero wise it seems to have handled the 77mph pretty well. Good luck!!
I disagree. He keeps adding more HP but also more weight and more batteries. If the previous car weighed 10 kg with 50 hp this won't be any faster with 100 hp and 19 kg.
Top speed is basically independent from weight. Weight strongly impacts acceleration, not top speed. Top speed is mostly impacted by power output and aerodynamic drag.
@@TranceFur True, but you're talking about inertia and relying on the weight of the vehicle being a part of "moving it forward" but there is a LOT of drag created and power used to keep that weight moving. Not as impactful as aerodynamics, but it's still there AND you have to steer/control it.
favorite RC channel hands down!
This kind of content really makes me happy!
Kevin if you’re going to drill or sand carbon fibre put some water on it because it stops the carbon fibre dust from getting pushed into the air
Hey Kevin, has anyone thought of using polyurethane cylinders as a spring? I was just thinking back in the day Manitou and Rock Shocks had elastomeric damper systems in their forks (many others actually) and worked pretty well.
Hi Kevin, new to your channel, I like all the effort you put into your videos, you got an awesome collection 😀👍
Absolute Madlad. Long live The King Of Fun. Kev- you could use photgrammetry software like Agisoft Metashape to make a 3D model of the car, then you could use AirShaper to do an aerodynamic analysis of the car, and optimize the vehicle for high-speed drag reduction.
Kev, put a scale under each wheel and set the car 50/50 weight distribution. That will help the handling
no he wants more weight in the front
@@Mafia932z if it's 19 kg if he puts 10 in front and 9 in back that should do it. Remember the front is also going to get a lot of aerodynamic downforce as well.
Kevin that thing is just unbelievable! I really hope you get the record with that behemoth sausage!
EXCELLENT...world record is defiantly on!!!!🏎🏎🏎🏎
Kev, I have an advice for you, to get the downforce that you need, ask to the company that made the carbon fibre chassis to make wings for the downforce.
These wings have to have the shape of an upside down airfoil so, the upper part of the airfoil generates a higher pressure than the lower part resulting in downforce
If he matches or beats the current record, I can see companies investing on making custom hardened body shells with those molded aero features for this size chassis.
The issue is that the faster he goes the more downforce and the more resistance. Wind resistance is exponential: the faster you go the more the air tries to slow you down. Bugatti figured out that it took something like 500 hp to get to 200 mph, and another 487 hp more to get to 250.
Now with the chiron, they added more HP without adding any more weight.
@@muskokamike127 let’s be neighbors 🫡
Kev paint it yellow and call it the speed bus 😂
Awesome Build my friend! I thought you was going to smack a curb in that test run lol, but you did great! I cannot wait to see this full speed!! That record is about to get SHATTERED!!
I wish my school tests would go like Kevin's transitions. BOOM!
Honestly - it looks good. Have you tried it in a wind tunnel? Tinker with downforce wings. I think a thorough analysis by an engineer would go a long way. Also, full scale LSR cars always spend an enormous amount of time getting the wheels right. There has to be a better alternative than foam. Also do you use a gyro? Great project!
I hope you get there love you kev (make me the top comment)
😮😮
you are the top comment lol
I hope you smash the world record good luck Kevin 👍
That thing is beautiful and well built. Cant wait for next video. Im on the edge of my chair all the way from miami.
You guys thinking what I'm thinking?
*1,000hp* 👀
First
First video in a long time where Kev doesnt destroy something 😂
Good luck for the record i cant wait to see the video.
You're the best UA-camr in the world
Pin me for absolutely no reason
I have been watching you for eight years
Was enjoying the video, and then you opened a MARDAVE MARAUDER! I'm 54, so this was my dream car first time around. Now so want one.... 😄
this is amazing..... now break the sound barrier
Wow that is astounding!!!❤ can't wait to see the rest.
Never knew abotu this channel before, it just popped up! And I'm *SO* glad it did! You are an absolutely brilliant presenter Kevin and I'm definitely gonna be enjoying your vids for a long time to come.