MMS Peg Measurements

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MMS Peg Measurements

Postby MechanicalPen » Fri Sep 13, 2013 7:58 pm

Here are the measurements for the two types of MMS I own in case you (like me) are interested in creating some custom parts. The measurements were taken with a caliper and accurate to +-0.02mm

MMS 1st:

Head Peg d. 3.23mm
Arm Peg d. 2.91mm L. 4.09mm
Arm Hex d. 3.20mm L. <1.57mm*
Hand Peg d. 2.00mm L. 4.31mm
Thigh Peg d. 3.98mm L. 4.93mm
Thigh Hex d. 6.14mm L. <1.46mm*
Foot Peg d. 2.53mm L. 4.22mm
Armor Peg d. 2.99 mm L. 3.08mm (cross d. 3.50mm)**

*The hexes were too small to measure, so I measured the spacers that fit over them. But the spacer sticks out a bit over the hex connector, hence the < sign.


MMS 3rd:

Head Peg d. 3.16mm
Arm Peg d. 2.85mm L. 5.27mm
Arm Hex N/A
Hand Peg d. 2.02mm L. 4.31mm
Thigh Peg d. 3.90mm L. 5.27mm
Thigh Hex N/A
Foot Peg d. 2.49mm L. 4.35mm
Armor Peg d. 2.99 mm L. 3.08mm (cross d. 3.38mm)**

**The armor pegs have a cross shaped bit that sticks out around the peg some. The cross d. is the diameter from one end of a cross arm to the opposite one.
Here is a picture!
Image

In both cases I didn't measure the corresponding holes because I didn't see the need. We can assume they are just a bit bigger than the pegs. If anyone wants exact measurements for the holes, just ask.
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Re: MMS Peg Measurements

Postby Klinkin » Sun Sep 15, 2013 2:11 pm

Nice useful bit of info. I've been using 3.125mm (1/8th inch) as my hole size for armor pegs, and it tends to work well.
Image
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Re: MMS Peg Measurements

Postby Shiaoran » Sun Sep 15, 2013 6:26 pm

*votes for sticky*
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Re: MMS Peg Measurements

Postby Xehn » Sun Sep 15, 2013 7:59 pm

you know, that's a good idea. done.
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Re: MMS Peg Measurements

Postby Shiaoran » Sun Sep 15, 2013 10:24 pm

While we're at stickies, mind pinning this one too? viewtopic.php?f=36&t=1645
I keep having to browse for my own thread XD
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Re: MMS Peg Measurements

Postby Xehn » Mon Sep 16, 2013 8:39 pm

...it's completely strange that it hadn't been. Fixing that.
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Re: MMS Peg Measurements

Postby Shiaoran » Tue Sep 17, 2013 11:03 am

Thanks
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Re: MMS Peg Measurements

Postby quotemarks » Wed Jul 22, 2015 11:08 am

Amusingly enough I've found that I can use Figma wrist balljoints with Arnval MKI's wrist sockets. Their armside pegs are actually rather shorter than MMS-1 pegs, but it fits well and now my Arnval sports Figma-jointed hands.
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