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Thread: Unnamed rally car project (1/10)

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Old 10-15-2021, 04:23 AM   #1
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Default Unnamed rally car project (1/10)

So, decided to build a 1/10 rally car with a center differential and belts instead of shaft. Did some thinking and drawing and ended up with this. Based on a Xray XB4 high volume differential. Put the diff case in the lathe and removed the bottom. Made a new out of 6082-T6 aluminum. Used a diff cross pin from Xray X1 so the bevel gear axle could run through the differential. The concept worked.

Last edited by Karl_Hungus; 10-15-2021 at 04:29 AM.
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Old 10-15-2021, 04:30 AM   #2
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Default Re: Unnamed rally car project (1/10)

First mockup.

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Old 10-15-2021, 04:32 AM   #3
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Default Re: Unnamed rally car project (1/10)

Version 4 of the differential since the first 3 wasn't long enough. Had to "make" a new spur since Xray don't have a 87T for their differentials, only for their slippers.

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Old 10-15-2021, 04:33 AM   #4
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Default Re: Unnamed rally car project (1/10)

First batch of belts came. So cool to be able to just make a phone call and order the belts you need for a fraction of the price Tamiya or any other brands charge and have them delivered 2 days later
Only problem is that I ordered too short rear belt

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Old 10-15-2021, 04:36 AM   #5
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Default Re: Unnamed rally car project (1/10)

Moving the servo to the Center of the car requires a new part for the steering. And since I can't buy what I need, I had to make one

New on the Old on the

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Old 10-15-2021, 04:40 AM   #6
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Default Re: Unnamed rally car project (1/10)

This is what it looks like today, it's too wide at the moment so I'll have to manufacture some differential mounts so I can use the XV-01 suspension mounts instead of the TA-06.
The differential will be mounted on the suspension mounts instead of the chassis to get the clearance needed for the XV-01 suspension arms.

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Old 10-15-2021, 01:07 PM   #7
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Default Re: Unnamed rally car project (1/10)

Wild man. Some out if the box thinking going on here.

Is the center diff still sealed?
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Old 10-15-2021, 04:44 PM   #8
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Default Re: Unnamed rally car project (1/10)

Yes, sealed and filled ��
But I might have to make a fifth version, not entirely satisfied yet.
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Old 05-17-2022, 02:12 AM   #9
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Default Re: Unnamed rally car project (1/10)

Just found this thread, very interesting project! What has happened to the car since the last post, is it completed? I would love to see and read more about this kind of car building.
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Old 07-01-2022, 05:47 PM   #10
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Default Re: Unnamed rally car project (1/10)

Curious on how this will end
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Old 10-03-2022, 11:07 AM   #11
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Default Re: Unnamed rally car project (1/10)

Me too.

Any updates?
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