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колесо из стеклопластика

автомобильный диск своими руками

подвеска

подвеска авто

подвеска вездехода

гусеничный вездеход

самодельный гусеничный вездеход

вездеход

гусеничный вездеход своими руками

наука

машиностроение

полиуретан

стеклопластик

полиуретан в подвеску

стеклопластик своими руками

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самодельная техника

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сделай сам

00:00:02

weather is excellent for some experiments,

00:00:04

so today we are making a wheel, but not an

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ordinary one, but an elastic one, here for now there is

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one reason why because there is no

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suspension on the all-terrain vehicle, by the way, who doesn’t

00:00:13

know, this is my all-terrain vehicle, we are building it in the

00:00:15

next series, we are leaving if there are any links

00:00:17

here, don’t forget to go subscribe,

00:00:20

let’s spend a lot of time,

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I’ll tell you about the whole process, by the way, I’m in

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Paris, if anything, that’s why we’re making the wheel

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today from a baguette and a white flag, this is

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somewhere around the years of France, in fact, we’ve already shot it from

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fiberglass and polyurethane behind the scenes

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matrix from the disk and made a

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fiberglass experiment, this disk is 13 in

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diameter, or as sellers

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in tire stores like to say, r13, we also

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need two hubs, which we

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will make according to the master model from plywood after

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turning, the hub looks like this, a

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bolt pattern of 4 by 98 for Lada

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generators, now we are putting it together

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and into the space between the rim and the hub

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and pour polyurethane,

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we will pour it into a special injection

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mold with a rod. The

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detailed technology for working with

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polyurethane is described in one of my

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videos, here there are corners there will be a link,

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so go see there we

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made automobile silent blocks

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[music]

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we put everything in the oven on 17 hours after

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this time, you can fill in the second

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half since a

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closed space is formed, we will

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do this through a special sprue, then we will

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simply cut it off, the next day

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we will get the finished wheel and now all that

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remains is to get it out of the mold, and

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while you watch me disassemble the mold, I will tell

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you anyway, I’ll tell you what kind of

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wheel it is, this incomprehensible contraption

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that you already criticized in

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the comments over a beer is called a wheel with an

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internal paint on it, in principle, it was

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invented a long time ago and there are many designs

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and a lot of patents, including this

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thing we patented

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and I didn’t even I will list the names of everyone

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involved in the creation of this design

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because this is a large number of people,

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I in no way take credit for

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this invention because

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other designs were developed before me, I simply

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borrowed a leg to perfection,

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nevertheless, in the end we got this

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design: contains a separately

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made rim and hub that are

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connected by a polyurethane elastic

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element; polyurethane is capable of

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deforming and smoothing out

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dynamic impacts, in general,

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exactly the same as a pneumatic tire, but a

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pneumatic tire has limitations

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that are associated with the height and profile,

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in other words, the larger the profile, the

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less stability of the larger tires the

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smaller the profile, the less it absorbs

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dynamic impacts, and internal

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suspension can be used

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in combination with the suspension or instead of

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the suspension, as we will do on

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our tracked all-terrain vehicle,

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the question of how effective this will be

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remains relevant because according to

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calculations, a rigidity of approximately 300 kilonewtons is not needed

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nomer I answer questions

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why fiberglass is fragile, it

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cracks, it’s worse than steel, it’s not

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as strong, it can’t be used at all,

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in fact, everything is simple, if I

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made steel robots, it would cost

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four times as much, I made this

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fiberglass, and in principle it turned out to be

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technologically advanced manufacturing and then we

00:03:05

need to carry out tests that will show

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whether I did everything correctly, whether I

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calculated correctly, whether we got the necessary

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rigidity or not, but imagine if

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I did this and steel, I would just

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spend a lot more money and time, and I

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also cannot ignore the

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fact that fiberglass has better

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elasticity, that is, it is deformed,

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elastic, they are plastic, and of course the

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mass of the disc turned out to be four and a

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half kilograms, this is not thought

00:03:29

in the Indian way, despite the fact that we have

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internal suspension. Also, a

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frequently asked question is how

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vibrations are damped, why not the

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damping element of the shock absorber There are

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patents in which these wheels contain

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shock absorbers, but I don’t want to

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use them yet because polyurethane

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has its own coefficient of inelastic

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resistance and I would like to

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study it, that is, how polyurethane itself will

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cope with the vibrations that

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arise from the maximum possible

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deformation of the elastic element, aka stroke

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suspension and let's call it that, I

00:03:58

asked 15-20 millimeters approximately,

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the question is how much we will achieve this

00:04:02

depends on the rigidity that we got,

00:04:04

so I propose that we now move on to

00:04:06

bench testing of this thing and find out

00:04:09

what kind of disk rigidity we

00:04:10

got in the end

00:04:12

[music] we are

00:04:13

now carrying out bench tests

00:04:15

we create a vertical load on the wheel

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and measure its deformation so far it has

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turned out to be deformed only by 6

00:04:22

millimeters, this is very little, let's try

00:04:24

to increase the load to

00:04:26

seven thousand newtons

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continued to increase the load on the display

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already seven kilonewtons, what if it’s 700

00:04:40

kilograms more load to give, I don’t

00:04:42

see the point of the wheel it doesn’t seem to crunch

00:04:44

anything, it doesn’t become deformed by 8

00:04:46

millimeters, if so, for reference according to

00:04:49

GOST, the nominal load on a 13-

00:04:51

diameter tire is about 390 kilograms, this is

00:04:57

how the disk looks on an all-terrain vehicle,

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of course it turned out a little crooked

00:05:01

because I landed the center of the shaft incorrectly and so

00:05:03

far I haven’t I managed to put a tire on it,

00:05:08

but nevertheless, I knew that in 90

00:05:12

percent of cases something would go

00:05:14

wrong, that’s why it’s made of

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fiberglass, they’re steel, so you do

00:05:18

n’t have to write angry comments,

00:05:19

fiberglass in the cold 3 before depression why should

00:05:21

it crack

00:05:25

[music]

00:05:26

that’s when this is the whole four and a half

00:05:29

kilograms, this is about the same as a

00:05:31

cast disk, this one is good, despite the

00:05:34

fact that she has some paint on it, not plus, I

00:05:36

add perforation here, I drill with an ordinary

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feather drill, I try to make

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a hole, but so far I’m not good at it,

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I drilled it they are everywhere and we will

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measure the hardness of the disk already with

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perforation because well, like 800

00:05:51

kilonewtons per meter, this is a very high

00:05:52

rigidity, really high for comparison,

00:05:55

for a pneumatic tire the hardness is about

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100 kilonewtons per mentam, of

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course it depends on the tire on the pressure and

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so on, but nevertheless on average 100

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kilonewtons per meter we needed to

00:06:04

get something in the region of this, in addition to

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this, I have several more

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wheel designs there without

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polyurethane, but we will make them a

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little later, for now we’ll sort

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this out and see, maybe it will really

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work if I I’ll achieve the required

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rigidity, maybe I’ll need to make

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another lithium mold and

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make more of these holes, that

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is, don’t drill out these small ones, I’ll

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just add more of these rods so

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that this gap was smaller and

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then we’ll get less rigidity

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because polyurethane is already itself and

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elastic ones, which in general you can only

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buy

00:06:36

[music]

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I forgot to say and you are probably

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wondering why the disk has such an

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unusual shape and why these

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side plates are needed at first it may probably

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seem that this is to protect

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polyurethane from external influences, but

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polyurethane is stronger than fiberglass,

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believe me and it is more resistant to

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any mechanical tearing and so on, this is

00:06:56

done so that the wheel does not have

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axial movements, that is, so that the experience does not

00:07:00

steer, it does not have a year, and in general,

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this is all for safety, for

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controllability, for directional stability,

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I will no longer list the names of everyone

00:07:10

involved, but nevertheless, you know that

00:07:12

I’m not the only one doing this and this, in general, is

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not my idea,

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well, this is how it turns out a little

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later, I’ll make a tire on this wheel,

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then I’ll put his protests on a

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passenger car and I’ll have to make

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6 such wheels, maybe not of these, perhaps

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the design will be different, most likely

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it will be a steel experience, a steel hub

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and another elastic element a little

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later, if you like it, write in the

00:07:37

comments I will make a video about this, don’t

00:07:39

forget to subscribe by the way, here

00:07:41

will be a link to the all-terrain vehicle playlist

00:07:43

soon, soon we’ll be leaving for work here If

00:07:46

anything, the conveyor belt has already arrived,

00:07:47

so I'm waiting for your subscription, glad to see you all

Description:

Создал уникальное колесо с внутренним подрессориванием, которое способно заменить подвеску. Упругий элемент колеса сделал из полиуретана, а сам диск из стеклопластика. Эти колеса планирую применять на своем гусеничном вездеходе для повышения плавности хода. В видео описана лишь концепция, а разработать эффективную конструкцию еще предстоит. Тем е менее результаты есть, перспективы имеются) ___________________________________________________________________ Подпишись чтобы не пропустить видео про гусеничный вездеход своими руками: Часть 1 - Создание рамы, установка агрегатов (https://www.youtube.com/watch?v=bBkdO4SAAwM%29 Часть 2 - Рулевой механизм (https://www.youtube.com/watch?v=q4NsqEDNh9o%29 Часть 3 - Композитный кузов-лодка (https://www.youtube.com/watch?v=mwyMTYG3sx0%29 Часть 4 - Трансмиссия (https://www.youtube.com/watch?v=BLUYSdGS_Iw%29 Часть 5 - Первый пуск (https://www.youtube.com/watch?v=dLXQR5Lo11g%29 ___________________________________________________________________ Не забывайте следить за постройкой УАЗа! (https://www.youtube.com/watch?v=UfnWEb4wJgo%29

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