AMX 50 120 surbaissé

Postby MITCH » Sat Sep 14, 2019 9:34 pm

Hi everybody!


here is my 3D printed AMX 50 120 surbaissé, it is in progress, I move slowly, but I will tell you about the evolution…

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And the first part of the gearbox:

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If you like it, you can see the progression of then start here: http://www.forum-rc-panzer.com/t7331-AM ... rbaiss.htm
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Postby midlife306 » Sun Sep 15, 2019 2:11 am

Beautiful work
Thanks for sharing it with us
Cheers
Wayne


Sent from my iPhone using Tapatalk
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Postby orntar » Sun Sep 15, 2019 2:20 am

It's very impressive! What hull are you using, or did you print that too?

And what is gong on with that gear box? Looks cool!

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Postby square4 » Sun Sep 15, 2019 5:47 am

Very nice indeed, :clap: :clap: look forward to updates on progress.
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Postby MITCH » Sun Sep 15, 2019 9:59 am

Thank you!

orntar wrote:It's very impressive! What hull are you using, or did you print that too?

And what is gong on with that gear box? Looks cool!


Every part is printed except the swing arms and torsion bars (Tamyia)

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The gear box is based on the same concept that the PDSGB or the Tamyia gear box for Leo 2. But I hope it will be silent...
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Postby 43rdRecceReg » Sun Sep 15, 2019 11:25 pm

Really impressive :O Have you already added surfacer in the first two pics, or did the printer produce that almost unblemished finish? It's a great printer if it did, and you're a great finisher if it didn't. :D :thumbup:
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Postby Soeren » Mon Sep 16, 2019 9:01 am

43rdRecceReg wrote:Really impressive :O Have you already added surfacer in the first two pics, or did the printer produce that almost unblemished finish? It's a great printer if it did, and you're a great finisher if it didn't. :D :thumbup:


You really have to look up the French forum he linked to. So much more info and the online translator does a reasonable job for us non French speaking rc tank enthusiasts.
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Postby MITCH » Fri Sep 20, 2019 12:24 pm

My 3d printer is an Anet A8 upgraded. It is a low cost machine... but abs is an easy to sand material ;D
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Postby 43rdRecceReg » Fri Sep 20, 2019 1:45 pm

MITCH wrote:My 3d printer is an Anet A8 upgraded. It is a low cost machine... but abs is an easy to sand material ;D


Indeed, and I think I'm right in saying ABS a far better plastic than PLA.. and probably easier to bond.
Nonetheless, your finishing is still exemplary :thumbup:
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Postby orntar » Fri Sep 20, 2019 2:33 pm

MITCH wrote:My 3d printer is an Anet A8 upgraded. It is a low cost machine... but abs is an easy to sand material ;D


I have the same printer! Great project you have there.

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Postby Max-U52 » Fri Sep 20, 2019 3:00 pm

MITCH wrote:... but abs is an easy to sand material ;D


Have you tried the acetone technique? I understand that smooths ABS to the point where you really don't have to sand it at all, or at least very little.
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Postby Tiger6 » Fri Sep 20, 2019 5:08 pm

43rdRecceReg wrote:
MITCH wrote:My 3d printer is an Anet A8 upgraded. It is a low cost machine... but abs is an easy to sand material ;D


Indeed, and I think I'm right in saying ABS a far better plastic than PLA.. and probably easier to bond.
Nonetheless, your finishing is still exemplary :thumbup:


PLA also wet sands easily, and anything that will bond ordinary styrene kits will work on it.

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Postby MITCH » Mon Dec 02, 2019 9:20 am

Thank you for your comments! The double differential gearbox is soon ready:

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The operating silence seems to be good, however, the format does not make it compatible with all tanks ... :crazy:
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Postby MITCH » Wed Mar 25, 2020 11:26 pm

No spectacular progress on the amx, and the containment has 2 effects: a positive, I manage to free myself some free time to tinker on my project, and another less positive, I can't go to my friend Didier's to work on my aluminum parts ...
I had ordered aluminum rounds to machine the wheels of the amx and an aluminum tube of diameter 130 in thickness 5 mm to have a perfectly round part for the turret rotation:

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For the wheels, I will have to wait ...

For the turret rotation, I redid the underside of the base to have a tight fitting of the aluminum tube, and I reduced the hole on the upper chassis to best adjust to the aluminum tube:

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I also added the support bearings for the rotation of the turret:

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And finally, I put in place the bolts I ordered, metal for some and resin for others:

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That's it for the moment :wave:
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Postby BarryC » Wed Mar 25, 2020 11:39 pm

Very impressive work sir! :thumbup: :thumbup:

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Postby MITCH » Wed Apr 01, 2020 8:17 pm

I advanced in the rotation function of the turret, the centering of the aluminum ring is done by 4 ball bearings, and the turret rests on 5 other bearings, that should shelter me from the hard points in the rotation, and I planned a hole in the center for the future rotary connector:

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I lobotomized a mini servo (we'll see if it's reliable ...) and printed in PETG the mechanical part (pinions) and in ABS the support to be able to stick it with ABS juice in the base of the turret.
I reworked it a bit, but here is the video of the first test this morning:

[flash width=425 height=350 loop=true]http://www.youtube.com/v/tWH2rLfPIik[/flash]
https://www.youtube.com/watch?v=tWH2rLf ... e=youtu.be

I am particularly happy because it is the first animated piece of my AMX !!! :P
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Postby c.rainford73 » Thu Apr 02, 2020 12:13 am

Excellent job very impressive beast :thumbup:
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Postby 43rdRecceReg » Thu Apr 02, 2020 12:38 am

Your thread is full of pleasant surprises, excellent photos (what camera do you use?), and eye-catching details. :thumbup:
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Postby lmcq11 » Thu Apr 02, 2020 2:27 am

oh I like those ball bearing rollers for the turret rotation. I got to have these on my next heavy build.

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Postby MITCH » Thu Apr 02, 2020 6:49 am

43rdRecceReg wrote:Your thread is full of pleasant surprises, excellent photos (what camera do you use?), and eye-catching details. :thumbup:


Hello, my camera is my phone, a Samsung A50.
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