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Homemade chassis project
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Dragula


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Joined: 24 May 2013
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Localisation: France

PostPosted: Sun 7 Jul - 01:12 (2013)    Post subject: Homemade chassis project Reply with quote

Some news...



motor pinions Mr. Green now I have a lot of place for the steering




The steering is completed. Next step : the rear of the chassis


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Publicité






PostPosted: Sun 7 Jul - 01:12 (2013)    Post subject: Publicité

PublicitéSupprimer les publicités ?
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Dorvack


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PostPosted: Sun 7 Jul - 08:11 (2013)    Post subject: Homemade chassis project Reply with quote

Please delete.

Last edited by Dorvack on Mon 3 Mar - 13:38 (2014); edited 1 time in total
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Dragula


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PostPosted: Sun 7 Jul - 11:40 (2013)    Post subject: Homemade chassis project Reply with quote

Thanks for your comment Dorvack.

Your IFS system is awesome Mr. Green



Your shocks are attached on the upper deck and I don't use upper deck on my prototype. I keep your idea in mind, I will try something which looks like your system Wink


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Dragula


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PostPosted: Wed 24 Jul - 18:34 (2013)    Post subject: Homemade chassis project Reply with quote

Some news :





A lot of ackerman for the moment but we are currently fixing it. Rear gear box is almost finish.
The problem with 3D printed parts is that threads haven't a long life (contrary to threads in aluminum). It's why I have design the gearbox like this and I will use threaded rods across the gear box with lock nuts to link the gear box to the chassis.

I have received some printed parts for my Sakura FF :





I will test the printed Y arms during next weeks. If it's too weak, I think I will buy Wrap up Y arms or some from an other brand.


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florianar
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PostPosted: Wed 24 Jul - 19:39 (2013)    Post subject: Homemade chassis project Reply with quote

it's some plastic parts? because it's like foam Shocked
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keep fun with the RWD Wink


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Dragula


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PostPosted: Wed 24 Jul - 19:49 (2013)    Post subject: Homemade chassis project Reply with quote

It's not foam Laughing It's polyamide powder sintered by laser Mr. Green But it's true, it's look like foam

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florianar
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PostPosted: Wed 24 Jul - 19:51 (2013)    Post subject: Homemade chassis project Reply with quote

it's solid?
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keep fun with the RWD Wink


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Dragula


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PostPosted: Wed 24 Jul - 20:07 (2013)    Post subject: Homemade chassis project Reply with quote

I don't know... Laughing

On my Sakura FF, I only broke one part :



The part bent during a long long time before break. there were many constraints on it.
I use this part like a shock tower to hold pivots for the shocks. I designed a new one, stronger, shorter, with reinforcements



About the bearing holder, they are like new Cool The steering rack took a little play but is still working. I designed a new one to try to solve this problem.

I will test the Y arms on my CS chassis, I will see if it's break or not.
Waits for the feedback... Razz


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RCJohan


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PostPosted: Thu 25 Jul - 13:23 (2013)    Post subject: Homemade chassis project Reply with quote

That's looking really good, I'm going to make printed RC parts too when school starts since I have a few printers and a CNC machine that I can use whenever I want to  Mr. Green  One thing I noticed though, when designing your pieces, don't forget to smoothen out the 90degree angles, make them more rounded, usually it's enough with just a mm or two! It's in those corners that the most force is concentrated, and rounding them off helps the force spread out in the piece for!

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Dragula


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PostPosted: Thu 25 Jul - 16:39 (2013)    Post subject: Homemade chassis project Reply with quote

I have do this on the Y arm and others parts Wink But on the shocks tower it's not possible at this place or I must grind the bulkhead cover to make it rounded, and I don't want to remove the pink Laughing

Last edited by Dragula on Thu 25 Jul - 17:41 (2013); edited 1 time in total
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RCJohan


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PostPosted: Thu 25 Jul - 17:36 (2013)    Post subject: Homemade chassis project Reply with quote

okey, I know what you mean, pink is nice  Mr. Green

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