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Posted

@pagicence

Hi, welcome!

Nice chassis you got there, hope to see the whole finished!
Another note, EB's image max size is 1024. So please try to resize your photos a bit.

Thanks and have fun!

Posted

It looks very nice! 

Front suspension on strut type in BMWs has two lower arms.

What is the gears ratio in steering? M motor is quite fast, it needs some gearing down.

Posted
30 minutes ago, pagicence said:

No, it doesn't. Not on E46. There is 1 control arm, 1 steering link to connect wheel carrier to steering rack and 1 link that connects sway bar.

M motor is directly connected to the rack. It's the smallest motor that takes up the least amount of space, I tried with servo motor but it was too bulky. And from the rack to the steering wheel ratio is 2:1, so the full lock should be pretty close to the real race cars.

Oh, I thought e46 also had two lower arms. My mistake.

Posted

The chassis lacks widthwise structure. This way you will have a lot of flex and eventually parts will disconnect. The lack of a widthwise structure is especially apparent between the struts in the front section.

  • 3 weeks later...
Posted
2 hours ago, MSc Shobaki said:

I have built the left hub based off of your images and can tell you now that it’s very weak. You need to stiffen it verticaly for it not to snap apart

I don't think that will be enough. It needs to be completely redesigned so that the socket is facing downwards.

On 2/25/2018 at 11:05 AM, Didumos69 said:

The chassis lacks widthwise structure. This way you will have a lot of flex and eventually parts will disconnect. The lack of a widthwise structure is especially apparent between the struts in the front section.

This is important IMO. It's something I didn't integrate into my chassis early on and it proved to be a problem during the later stages. Had to tear the whole thing apart. 

Posted

I like the realism of your chassis.  If im understanding your chassis correctly its on a uni-body frame and that would be a challenge to build.. I hope it works out in the end!!  

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