Your opinion on my tubular chassis

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1

Hi all

 

I would like to ask for your opinion,

I modeled for my hobby a tubular frame in welded mechanic,

I would like your advice on the fittings between the tubes, what parts could I improve to optimize the ease of manufacture?

And which type of welding is the most suitable? (it's all in Ø18 x 1.5 tube)

All comments are good to take.

Thanks in advance :-)

PS: SW 2016

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2

Hello

it depends on what it will be used for and the strength it has stored...


chassis_mep.jpg
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3

Right@Cobra, what exactly is this chassis?

Depending on the context, this can change completely

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4

post to mnimum an image of your chassis

if you want your advice

and gives some data in +

to optimize the thing ;-)

@+

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5

Hello

I think that the previous answers are quite relevant because indeed, we could optimize the manufacture by replacing for example welds  with bending, but to do this you need to know a minimum of the functionalities to be fulfilled by this frame! 

6

Depending on the size of the frame, length of the tube 

I would have done the outline and the nose with a tube all bent 

and after spacer and if possible

Install a few diagonals to block the angular deformation

 The diagonal may be of a smaller diameter

Where will the loads be on the chassis?

@+

7

Exactly as said above, at least an image of your chassis would be welcome if you want to have comments, it would be more telling. 

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8

Hi all

For those who ask for a view of the chassis, the post is duplicated and there is a jpg on the other post.

Regarding the simplification of the chassis, I agree with what was written previously: outline in a minimum of parts and diagonal reinforcements and crossbars.

I feel like it's a kart chassis, right?

9

Thank you all for your answers, indeed the post is posted in duplicate and the photo is on the other one.

It is a chassis designed for a kart indeed, designed to do "drifting" (skidding)

It must therefore support the weight of an adult (about 90kg) and resist deformations due to skidding (it will be motorized later).

I'm attaching a .step so that you can see the beast more closely :-p.

My concern is mainly about the connections between the tubes, I'll let you see on the step

Not being at all a great connoisseur of welded mechanics, all remarks, even the most banal ones, are good to take.

thank you in advance :-)


chassis_step.step
10

you have some data a 90kg man in a certain position

Seat distance back of seat / soles of feet

One engine engine size

2 axles

4 Wheel Suspension

Rear axle trasmision

Look at this page to view different types of chassis

For the moment the max length is 714mm between your 2 low parallel axes

or do you plan your wheels the direction of travel?

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Hello gt22, I don't have access to your link..

here is the location of the engine in PJ : it measures:

Length: 465mm
Width: 315mm
Height: 275mm
 

As for the wheels, here is an example in PJ (next post): (two kart wheels at the back and a bicycle wheel at the front)


moteur.jpg
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Example of the wheels in PJ:


exemple.jpg
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M

14

superb the best answer

we can't do better ;-)

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