Top secret Tires for 250mph Sausage RC Car project
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@toddsupraman7609 8 ай бұрын
I think you should focus more on the rim design, so it doesn’t have the deflection when it’s spinning. If you can keep the rim true the tire have a lot more lifespan, whether it be a solid strip of rubber glued on or hard foam.
@adamneff1600 8 ай бұрын
i noticed this as well, i don't know how nobody has seen that. The inside part of the rim where there is no support is causing the ballooning, you can take your hand and squeeze the wheel they are so flimsy. Need a stronger rim, metal, carbon, just thicker, or some kind of support there.
@skullbones7452 8 ай бұрын
I agree, the foam gets ripped off because the rim expands uneven.the weight of the car will reduce this but not enough to prevent it.those rims are key to keeping the rubber side down; :) i would suggest a wheel out of steel;Dont use aluminium because my teacher in school told me that aluminium is actually heavier then steel because its much weaker.They say its better because it looks better But a steel rim is actually better then a aluminium one.
@jeffgTrialsBikes 8 ай бұрын
Almost for sure the inside is expanding more then the outside!
@jeffgTrialsBikes 8 ай бұрын
absolutely, maybe an inner ring to support it!
@Davivd2 8 ай бұрын
Exactly. The rims will be the point of failure. I'm surprised that he's not using aluminum.
@chriswheatley123 8 ай бұрын
We have a carbon filament winding machine at work, usually used for winding high speed rotors that run at well over 100k rpm. You need a carbon sleeve that presses on over the wheel under interference. The hoop stress will resist that expansion you are seeing, then possibly bond the tyre onto the sleeve.
@marcopruscini1603 8 ай бұрын
Seems to be a good solution and on the top, the compound of cfk and genuine wheel material reduces vibrations on the rim what results in less stress too.👍
@martincollins6071 8 ай бұрын
That's sounds legit to me, i love these comments. I also like smarts and problem solving
@likzen8876 8 ай бұрын
nah at that rpm only good for drifting, no speed run
@anthonyrawsthorne656 8 ай бұрын
Think Castle use a Kevar band in their motors? Not sure if going for a GRP/kevlar weave wheel, but adding a grip element (ie weave a rubber element into it ,in the manufacture process) , so the tyre is a structural part of the wheel, not 'just' stuck on after?
@wilsonsantiago3095 6 ай бұрын
Call me crazy I would use aluminum or carbon fiber rims
@dantechunknown3760 8 ай бұрын
I was just thinking and came up with a idea. It seems to me that the foam isn't the problem because look how always the inner rim expands. Try cutting 1mm inner side foam and put a fiber or metal ring around it so it doesn't expand.
@kenvanpassen9247 8 ай бұрын
This is the answer that will help Kev brake the record!! It's genious in its simplicity. This needs to get upvoted hard!! Those banana's held up to nearly 50k rpm... it wasn't the foam detaching, it was the inside of the wheel failing. Strengthen that, and you've got your world record contending wheels. Kudos! :)
@bmxstar14 8 ай бұрын
I was thinking either this, or a wheel that has even a little support on the inside when it’s designed. Basically what you’re saying but on the inside
@amirxr8464 8 ай бұрын
This test was not in load mode. And because of the high rpm, the rims became like that, and when it is installed on the car, the main problem is the foams. Because this car is very heavy
@bmxstar14 8 ай бұрын
@@amirxr8464 the same effect still happens just not as much. 100% worth trying over just assuming it’s cause it’s “under load”
@coreytaggart128 8 ай бұрын
Would be hard to put on. My first thought was something like a piston O-ring but that has a notch in it to allow it to expand and that is what we are trying to prevent. Would almost need to bend the wheel in to make it fit that way it isn't larger then the wheel and can't open up. overall though the thinner the wheel the easier this will be to do as there is less lip to worry about expanding out, however it does mean less traction to get up to speed. so you would become more limited by max run distance.
@st33ldi9ital 8 ай бұрын
Once again... Get you some aluminum wheels. Drill some holes around them on the inner rim. Dip them in a rubber epoxy compound. The holes will allow the compound to bleed through to both sides and provide support while preventing ballooning. Let them run off and dry sideways for easy clean up and balancing. All you need is the right rubber epoxy compound...
@gabrielbanta5098 8 ай бұрын
That is actually really smart man, I hope he tries this
@MurderSTi 8 ай бұрын
This, but make the wheels out of carbon fiber over aluminum.
@taco42O 8 ай бұрын
i know it exspensive. but what about titanium rims
@davidskala7652 8 ай бұрын
The amount of power you have to have to not only strip the inner wheel while still completely blowing the outer diameter off of the rim is absolutely insane 😅 this thing is a rocket! Keep up the great work brother much respect!
@chebarcebal1068 8 ай бұрын
tata1293
@bastik105 8 ай бұрын
But maybe that´s also Part of the Problem. When the Car gets a little lifted, the Wheels will instantly gain a lot of speed and reach the critical Point of the Foam. Connecting it to be a 4*4 like Kevin, planed should really help. To sum it up he could maybe try to set a max. RPM for the Motors to reach, depending on what Tire he is using? Really dont know if its possible, but it would make sense to me.
@NovemberFoxtrotRC 8 ай бұрын
Not sure if he mentions it later in the video but on the first dyno run the wheel itself under the foam tire is expanding as well. Maybe a wheel with stronger material and or more cross bracing inside would help keep the tire together longer.
@CroftyOriginal 8 ай бұрын
Tip: Left handed drill bits are really good for rounded off screws. Instead of just drilling them out, 9 times out of 10 they grip and just thread the screw out.
@Davivd2 8 ай бұрын
I'm so excited for Kevin. He's put so much work into this. I hope that it at least makes a full potential pass without mechanical failure.
@calebrosenhauch4296 8 ай бұрын
Dyno is genius
@stephantranquille6681 8 ай бұрын
You've got me frothing at the mouth Kev! Seriously can't wait for you to make history. You have invested so much time and money, it's going to happen xx
@lukespector5550 8 ай бұрын
I like to think of Kevin as the late Rik Mayall of RC. THE Brit we love to watch 🇬🇧
@delrobb 21 күн бұрын
your so right
@cyclemadkiwi 8 ай бұрын
As below, a nice set of CNC machined Ali (7075 grade) rims (couple sets to change out) and get them into a mold to skin them with PU! a good 95shore Polyurethane molded onto the Ali rims will make this thing really haul ass! Coming from a background in racing control line planes over tarmac (Barkston Heath Airfield being one spot!) we use a hard tooling grade (Red) Polyurethane for the tire and it takes a beating. Just an idea
@bigkennyg.621 8 ай бұрын
Hey Kev love your videos! your a big reason I am getting back into this, you absolutely have an awesome view of this hobby, it’s all for fun !!! Best of luck to you on getting to that world record 👍🏻
@Alexand3ry 8 ай бұрын
Tires are critical for electric-motor cars, because they have to carry all the power. But crucially, Project Air's jet-powered car puts power directly into the air... its tyres are just for rolling and steering. So this is vital to crack for the motorcars to win
@ashsingh9339 8 ай бұрын
Had to pause the video real quick to mention the work bench Kev has and how he uses it. I have one similar and it's beat to crap lol. Nice to see someone taking full advantage of their work bench ❤. Love ya Kevin!
@toddhayes9511 7 ай бұрын
Very cool experiment with the tire speed and strength. Thank you.
@user-ss6ce6wq7s 8 ай бұрын
Curious about fire sprinkler system. I've been a designer of fire sprinklers for years. i was intrigued when you mentioned your system. is that a compulsory system? or did you install, or have it installed ?
@R33-GTR 8 ай бұрын
Tip for getting small bolts and screws out without stripping - Take your driver, and a hammer, put the driver into the bolt and hit the top of it with a hammer for a few sharp shocks. This usually "breaks the seal" and makes them much easier to turn without stripping
@troypostie1252 8 ай бұрын
There can be only ONE Kevin Talbot. Never mind what James and Raz are up to.....GET THAT RECORD!!!👍🤴👍
@STUCASHX 8 ай бұрын
Kev!!! Get yourself a set of reverse twist drills for removing screws where you've rounded the hex off. As they bite in they unscrew your damaged screws. Easy peasy.
@jordantobins681 8 ай бұрын
I think you should really consider larger wheels and then go with either foam or rubber. The larger diameter wheel won’t have as many rpm’s at speed, and you will deal with a lot less centrifugal force. Just build a body with big, smooth wheel arches, and mold them smooth. Sort of like the Batmobile. If you run a wheel that is 5” vs running a 2.5” wheel, it will have to spin 1/4 the speed as a 2.5” tire to cover the same distance in the same time.
@robinclaidlaw 8 ай бұрын
Half the speed not quarter, circumference varies linearly with diameter, but yes, bigger wheels will help.
@captainchaos3053 8 ай бұрын
Well yes and no because much like a cutting bit the speed on the surface is linear. A reduction in weight/density might help but ultimately it's the tensile strength of the rubber that is the problem. I would suggest using a urathane wheel which can have a certain amount of deflection under load but is much stronger than rubber or foam.
@simon333ork 8 ай бұрын
Have you considered modifying some skateboard wheels to fit? I guess you could mill out the centre’s to fit hubs inside, there’s a massive range of “A” hardness ratings to suit the grip you need plus I’m guessing the extra weight might help with stability? Just a thought?
@drummer2978 8 ай бұрын
Wow I’m really impressed by the machining of those parts, well done
@vonmoofles6702 8 ай бұрын
Epic. I love your updates so dang much. Look forward to them every day!
@CristiNeagu 8 ай бұрын
My question is: Why don't you use bigger tires? The bigger the tire, the lower the rpm for any given speed. Also, you forgot to blur a frame with the wheel when you were balancing it, so... I think I know what you're doing.
@jons6125 8 ай бұрын
The surface speed remains high
@confusedgingers 8 ай бұрын
Centrifugal forces
@maxwellfrank4166 8 ай бұрын
Raises the car off the ground as well and is more aerodynamic surface area
@froz3ntree40 8 ай бұрын
@@maxwellfrank4166wheels are covered and are narrower, so the frontal area(critical in this case) is actually smaller
@boomjeep99 8 ай бұрын
Get ahold of good year
@danielhughes6896 8 ай бұрын
Nothing from your tests indicate your wheels are better.
@Thiccboi200ton 8 ай бұрын
I love your content. And your the one who got me into this gig. And I love it. Thank you!
@LordPrometheous 8 ай бұрын
Kev, I have never seen you doing so much science in your videos before. This is awesome. Science is what gets you to 250 mph. It was never gonna be stupid amounts of horsepower. Keep it up. This is amazing content.
@RACEABLE 8 ай бұрын
I like when you put your brilliance into test!
@kipbatteate9900 8 ай бұрын
Seeing that start up test was amazing, can't imagine in person. Craziest rc rig I have seen by far, makes me think of the massive jets or large helicopters it's on another level dood.
@volvo09 8 ай бұрын
Can't wait to see it go down a proper drag strip!!!! Much smoother and way stickier! Have some of the track adhesive on hand to help out with grip... I wonder if wheel slip is contributing to tire destruction? The tires are putting a lot of power down, and they must be slipping and getting damaged, especially as wind resistance increases. 👍 hell yea!
@XcobaltLion 8 ай бұрын
Amazing how the tires expanded.
@user-eq8fb3yv2b 8 ай бұрын
Wow I’m really impressed by the machining of those parts, well done. Wow I’m really impressed by the machining of those parts, well done.
@rayteu8395 8 ай бұрын
I always enjoy youre way off presenting the video,so much energy and joi in what you are doing. Keep it up Kev🎉🎉🎉
@tomg721 8 ай бұрын
Love the enthusiaum Kev. Keep the videos comming.
@Trystan46 8 ай бұрын
Fair play David’s scorched parts are absolute quality I’m buying them as well 👍👍👍👍👍. First class
@SKRILLA4DBD 8 ай бұрын
These things are REALLY coming together nicely. Best luck on your next run. It's bound to be EPIC!
@jamesdodson5554 8 ай бұрын
Two suggestions, as others have mentioned the plastic deforming is a definite issue, for something light weight and tough you could try having the wheel printed in carbon fiber filament which might hold together better and still be light and cost effective. Also have you tried a harder durometer rubber? Awesome videos, thanks man!
@BikeGuyFPV 8 ай бұрын
7:31 you'll want to get a magnetic prop balancer. Those are way more accurate that the DuBro ones. Balanced a bunch of 13 inch tri blade props for an XClass quadcopter and the ones "balanced" on the DuBro were still causing high speed shakes. Re-did it on the magnetic one and they came out way better.
@chuqschwing1780 8 ай бұрын
Holy awesomeness!!! I think you are going to succeed!!! I also think the people who commented about the wheel/tire design are on to something. It is pretty crazy how much the rim itself expanded.
@AndrewFerranRcjourneyz 8 ай бұрын
Absolutely mental u go brother
@niksiac2429 8 ай бұрын
You make the best rc fast car project in world 💪🔥 you are the best and most fun rc youtuber in the world!!!
@audiquattrojamie 8 ай бұрын
Great video and interesting experiment and well documented foam test, definitely enjoyed that Kev. Looking forward to seeing these run m, good like buddy 💪
@sleeperbeemer 8 ай бұрын
Oh nice you took my advice on the bench testing 😊
@bacon.cheesecake 8 ай бұрын
Those scorched parts knuckles are a work of art!
@Trystan46 8 ай бұрын
Absolutely brilliant Kev !!!!! 🌟🌟🌟🌟🌟🌟🌟🌟🌟🌟
@rtz549 8 ай бұрын
This is my favorite video so far. Those tires that deformed But didn't fly apart have potential. Stronger stiffer wheels to hold their shape.
@jjjjrrr678 8 ай бұрын
Good testing. If you design a wheel that holds it's shape and is perfectly balanced you have it in the bag. Foams hold but the deflection of the wheel and uneven load is what is destroying them.
@diniscavaleiro5303 8 ай бұрын
when i round out hex bolts i usualy jam a T bit on, works every time
@jimmypmalibu007 8 ай бұрын
Sounds awsome like a drone!
@JRLdesigns 8 ай бұрын
I think he has kevlar cord wrapped radially around the wheel, which would pretty effectively reduce expansion caused by the centrifugal effect. If you have a central aluminum hub and then injection molded plastic around like a normal wheel, you could make a tensioning mechanism for the kevlar cord using grub screws.
@BrendonakaShanks 8 ай бұрын
It's good you are trying your own design. Should be interesting to see if it's a world record breaker. Looking forward to it
@freddi8369 8 ай бұрын
Easy 3d print solid wheels . 100 % will work 👍 Andy.
@KevinTalbotTV 8 ай бұрын
You try it 1st! 😂
@sleepyforest3359 8 ай бұрын
Really nice KZfaq channel I like how you do honest reviews because you don't get sponsors by the RC companies
@jjkruger3412 8 ай бұрын
I like how always try new things and explaining what you do .. i didn't look at all the comments, here's but i got a idea, not sure if anyone had the same idea What if you design a mag in a honeycomb formation or aerospace isogrid pattern and use your best rubber/foam for a tire, because with airflow that can flow thru the space of mag might help the wheel from heating up and explode, thanks or the great content, i enjoy watching your video's good luck
@Silverhaze78 8 ай бұрын
The inside of the wheels need a stronger structure to keep it from flinging out. A carbon fiber or titanium wheel should do better than plastic you would think.
@thomasfeix7979 8 ай бұрын
One thing to not forget is that the wheels also need to transmit a lot of tangential force (basically the force that pushes the car forward). You an estimate the force (for all 4 wheels together) by P = F*v (power = force * velocity). You know the power from the motors and how fast the car is going. That gets you the lateral force the wheel needs to withstand. For this reason I think the project air jet turbine car will not be as limited by the wheels as they don't need to resist the lateral force. Only centrifugal.
@BigKidsRC 8 ай бұрын
Totally awesome Kev cant wait to see this thing take flight 🤣
@wtechboy18 8 ай бұрын
you should probably be using JB Weld for balancing. It'd glue on stronger than either the putty or the hot glue, and it'd be less likely to deform once it's properly set.
@gordiefrench1557 8 ай бұрын
you are bang on kev with your tire design top-secret
@user-ze7jp4ji2t 8 ай бұрын
i love you so much kevin you are the reason i love rc :)
@Dg-zt3lv 8 ай бұрын
Another great video. Keep them coming. Can't wait till you get that car over 200mph
@Brody_Bros 8 ай бұрын
You can get the speed just need to find the best tyre that pushes down to the ground the most then you should get it well done Kev
@litterboxbandit 8 ай бұрын
NHRA top fuel dragster front tire (tyre) design scaled to size may help with stability.
@michaellatini9294 8 ай бұрын
Good luck bro hope you smash the record,I was reading the comments and someone mentioned the metal ring on the inside of the rim. I think that is a great idea. Or aluminum rims with your prototype tires on them.
@ritsertmans345 8 ай бұрын
It might be useful to use a torque wrench instead of an impact driver to tighten bolts. Gives much more consistency in the applied torque and can save a lot of rounded bolts. But off course an impact is faster.
@eukaryon 8 ай бұрын
No worries about stealing that design. The rim deforms so much, the vehicle will become uncontrollable. A cross section shows an L, a problem shape that change of material will not overcome. It needs at least a T cross section similar to ordinary car wheels. Excellent idea to do bench testing before taking it out. More testing!
@cloudpandarism2627 8 ай бұрын
awww just when i want sleep. aaaallright one more video kev!
@MrLarsgren 8 ай бұрын
seeing how the foam reacted i got a crazy idea that might work. make a alu wheel with holes in it and place the foam on the inside. should keep it from exploding . just need a really thin foam on outside to get it moving then at speed the foam or rubber on inside will be slowly pushed trough the holes . gonna act kinda like a water balloon on a tennis racket.
@craigstewart186 4 ай бұрын
Watching your videos of the wheel speed trials, what I’d evident to me is that not only the rubber/foam distorting but also the wheel rim. At these high speeds you are trying to achieve it might be worth looking at a “solid rim” design which should resist the centrifuge forces.
@Jokerman1215 8 ай бұрын
I think the wheels need support further out on the barrel. They're all on the face and that's causing it to balloon. Maybe the stretching and twisting of the wheel itself is causing the glue to heat up (because of the expansion) and unstick?
@cosmaninashiva6115 8 ай бұрын
Den grossen Regler hatten wir auch , bis er in 2weeks durch ging, einfach so, eine teure Erfahrung, nun haben wir wieder einen MPX Regler, viel billiger und hält!!
@anime4idiots 8 ай бұрын
Wow😱😱😱❤️❤️😂👏🏽👏🏽👏🏽 speed and powah!!!! 250mph+ in the bag. Most definetly beating the 220mph current record. You will have both offroad and on road rc speed records welldone Kev 🎉🎉🎉
@JohnMorawietz 8 ай бұрын
SOLID ALUMINUM or TITANIUM hubs, maybe use some industrial grade fiber core o-rings in multiple on each wheel, there u have it, and a driveshaft SUPPORT BEARING on the long shafts, I heard some oscillation on the throttle run up.
@IM2OFU 8 ай бұрын
Mans making the world most intense electric skateboard
@darrenconway8117 3 ай бұрын
After sorting out the wheels/tyres, I suggest focusing on vehicle aerodynamics to increase speed. This would make a great project for a university student as part of their Masters/Doctorate. If you can make the car/body narrower, lower, and with less drag. Reducing drag is free speed. Railway train wheels have steel tyres under high tension, so the suggestions for carbon fibre sleeves make sense. Consider replacing the carbon fibre chassis with 6mm honey comb core between carbon fibre. Much more rigid but not so robust. Chinese sources will CNC cut it to your drawing. If you are using stainless steel or titanium screws, or steel screws into aluminium threads, lube the threads to stop galling (makes the screws impossible to remove).
@stevearmett1565 8 ай бұрын
Excellent looks like the new wheels will do the trick 🚀😁👌 hopefully you'll be celebrating next time Kev 🎉
@sapieattersisingere3288 8 ай бұрын
I do agree with a lot of these people on here about the rim is the week part not so much the foam it needs bracing on the backside so doesn't plume out as much.
@gohardorgohomerc 8 ай бұрын
Looking forward to see how you get on with them kev👌
@quipher 8 ай бұрын
this is great content. im so excited with this car
@geza96 8 ай бұрын
I think your vids are great! Always watch. I agree with the commenters it’s the actual wheel that’s letting the tyre down. A solid thin wheel may be the go. Good luck, get that record.
@shaunkrochmal8299 8 ай бұрын
Kev I think you should try aluminum rims It looks like the inside of the plastic rim is stretching out
@jasonburly1590 8 ай бұрын
I've got it!! Try roller blade wheels trimmed flat on a lathe and adapted hubs and record broken, next.
@tienenaar2295 8 ай бұрын
To prevent front lift you might try putting some server fans in the chassis to suck air away from under the car.
@danielesdau3220 8 ай бұрын
Cant wait 4 Part 2🤩💪
@Nocturnzz. 8 ай бұрын
Quad motor is insane!!
@snappingturtledog 8 ай бұрын
Lookin good Kev, those mambas look and sound mean. Get that world record and launch that sausage to the moon!
@RC-BashersE3 8 ай бұрын
love this video..Kevin woke up and said "I can do science me"
@bling1634 8 ай бұрын
It’s amazing how much your tire and wheel set up and the other one held up with the speed test
@bridlingtonrcbashers9230 8 ай бұрын
Can’t wait for there next run
@Poor.Sausage 8 ай бұрын
Kevin Kevin Kevin,! the back of the wheel needs a solid disc to stop it from flaring out. Make a drum wheel to secure that sausage wheel. The foam tyre glue on the banana wheel is obviously nice and strong, so perhaps try to jerry rig one of those super duper wheels. Stay sausagey fine fellow and good luck with that 250mph goal.
@FarmerFpv 8 ай бұрын
You should put a rubber O-ring or some thin-cut fuel tubing between all the ball links and rod ends to remove all the slop and also make them more precise feeling. The speed sausage is so bad arse, Kevin!
@user-vn9rx9dq7r 8 ай бұрын
I can't wait to see this break some records.
@Vastafari34 8 ай бұрын
It seems like the new hubs were slightly off center, and with these speeds, you need TOTAL precision. I'd go the CNC'd route. Im sure there are plenty of companies that would make you wheels which you could then exchange them some publicity for.
@baggszilla 8 ай бұрын
@Kevin Talbot I think I got a great idea! What if you use hockey pucks for wheels!!!😊
@worldexplored5300 6 ай бұрын
We need the next part!!!!!!!!! ;-) thanks Kev
@MrDevo5 8 ай бұрын
outstanding!
@l2d_gopher314 8 ай бұрын
Seems like a wheel redesign would benifit you soooo much.
@INIEILS0IN 4 ай бұрын
A 3 piece alloy wheel in which you could slip a plastic ring over the alloy barrel, glue it to rim then tire to plastic ring then fit rest of rim hold it all in place. Downside Tire changes wouldn’t be quick but the rc should be 👍 awesome project good luck with it.
@AlexGFrank 8 ай бұрын
So here's my logical conclusion on the wheels IMO the best possible idea will be to machine them out of something like Mg/Alu or Ti/Alu alloy with lots of internal supposrt, and grue a thin strip of silicone on top for the grip. Not foam, not rubber, silicone. Yes, it's probably going to expand a bit more, but it's way more heat-resistant, and it theoretically should be more resistant to rubbing on the asphalt. Plus it should give an insane amount of grip, if threaded correctly (look at semi-slicks on the hypercars for reference)
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