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Old 2010.04.19, 03:25 PM   #1
Felix2010
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New Atomic MR03 Alm. Knuckle

Hello,

I just saw this part on sale:

#MR3-019-B

MR-03 Alm. F.S. Steering Knuckle 0-degree

Can you tell me more about this? What does the "F.S." stand for? Also, is there anything different about this knuckle from the stock Kyosho unit except for that it is alloy? Is this knuckle "Low-Down" or anything like that?

Also it seems many times now, Atomic puts out parts but doesn't go into much detail about what they are or what they do exactly. It would be great if more detail could be put into the description of new parts.
Thanks
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Old 2010.04.19, 04:56 PM   #2
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Here is the information:

F.S. stands for "Finest Setting". I'll explain it a few messages below.

Last edited by Atomic-USA; 2010.04.21 at 07:53 PM.
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Old 2010.04.19, 05:02 PM   #3
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I think the "axles" and the tie rod connection part are in ti. I have no idea what FS stands for.
I agree with you on ATM giving to little detail on their products lately.
Looks nice though
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Old 2010.04.19, 05:36 PM   #4
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Old 2010.04.19, 05:45 PM   #5
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FS probably means Front Suspension, although I could be wrong about that. The pictures look like the axle and steering pin may be a different material (SS or Ti possibly). When I get a hold of some, I will post more about them...
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Old 2010.04.21, 08:04 PM   #6
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MR3-019 MR-03 adjustable knuckles

Features:

-Ride Height lowered by 0.5mm compared to Kyosho stock Knuckles

- F.S. - (Finest Setting) prevents outer front knuckle's Pivot Ball disengagement under hard cornering and chassis roll . (Shim is not included)


The MR-03 knuckles move up and down and also at a slight angle towards the chassis when front suspension is compressed. This is why there is a little pivot ball there while the MR-02 didn't have it.

When outer suspension is fully compressed(as in hard cornering), the pivot ball may come out from the ti-rod resulting in unwanted imprecise movement. Lowered cars are more prone to have this problem.

With the removable pin a racer may add a shim in between to lower it, so that the pivot ball stays inside the ti-rod. See photo for reference.



Removable pin design:


Stock setting(pivot ball is exposed under hard cornering):


With shim adjustment(pivot ball stays within)
Attached Images
File Type: jpg ATM 03 knuckles.jpg (2.4 KB, 220 views)
File Type: jpg before adjustment.jpg (6.1 KB, 220 views)
File Type: jpg after adjustment.jpg (6.6 KB, 224 views)

Last edited by Atomic-USA; 2010.04.21 at 08:42 PM.
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Old 2010.04.21, 08:26 PM   #7
chad508
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pretty slick. by any chance is the axle threaded also? would be nice to shim wheels in and out also.
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Old 2010.04.21, 08:39 PM   #8
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*See latest post with photos

Last edited by Atomic-USA; 2010.05.10 at 11:51 PM.
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Old 2010.04.21, 10:14 PM   #9
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.5mm lower than stock. That's cool. Not too low and not stock height either. Just right! Then adjustable knuckle pin? That sounds perfect!
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Old 2010.04.22, 02:33 AM   #10
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Nice, cant wait to get try em out.
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Old 2010.04.22, 08:22 AM   #11
Rune
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Really nice!
These will definetly go on my car.

The problem I have encountered with alu knuckles combined with alu tie rod are binding. The anodicing wears of, and they start to bind. Here this problem looks to be well taken care of.

The adjusting possibilites also looks really great.

BR
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Old 2010.04.22, 08:44 AM   #12
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This is one part that I plan to put on my car too... When and where it'll be (or it is already) available?

Thanks!
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Old 2010.04.22, 09:11 AM   #13
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i saw them on egr the other day
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Old 2010.04.22, 10:41 AM   #14
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They are available at HKS Hobby as well
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Old 2010.04.22, 11:18 AM   #15
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NYRC has a couple left for the local racers in NYC
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