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1 Shredder's Concave Spacer (SCS) on Thu Apr 22, 2010 9:01 pm

Mr.Lee


 
 

1. What is a Shredder's Concave Spacer or SCS?

A Shredder's Concave Spacer or SCS replaces the stock hop-up nubs/spacers that come along with AEG's. It it manually made on a lathe (by yours truly) and each is measured with the use of a Mitutoyo Digital Caliper in order to get a precise measurement that will make it fit inside the hop assembly and the barrel window.

2. What is it made of and why?

It is made from a special engineering plastic which is light, flexible, chemical/wear resistant and great machinability.

3. Is it better than the other nubs/spacers out in the market? Why?

YES it is better! The reason behind my answer is... out of all the designs and measurements that I made, the concave shape of the SCS and its wide gap in the middle provides the BEST hop rubber bucking to bb surface contact. It aligns the bb's inside the barrel at the center and eliminates the possible sideways movement as the bb's pass directly below the hop bucking.Here's an illustration:

4. What is the best hop rubber bucking to use?

The best hop rubber bucking to use is the stock bucking, Systema and Guarder (translucent) soft type because it is easy for the hop bucking to follow the contour of the SCS as the bb's pass directly below it.

*If the "mounds" inside the hop buckings are thinner or removed, that's where you'll see what the SCS can really do...*

5. Why do some say that H-nubs are better?

That's because they haven't tried the SCS yet!

Here's a pic of an H-nub I made (for illustration purposes)...

...it might look ugly and not exactly the same as the ones being sold but that's how they look when placed on top of a bb.


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Are there any nubs/spacers out in the market aside from the Shredder's Concave Spacer or SCS that can do this?

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IMPORTANT!!! PLEASE READ!!!

The SCS makes your hop-up very sensitive and it must be aligned/centered properly to get its maximum effect.

The SCS is not a "plug and play" hop-up upgrade and you must eliminate all the hop-up problems (wobbles, misalignments, hop-up defects such as plastic/metal "flash" that came from the factory molds, barrel window must be at least 4.10mm wide and the edges should not be sharp).

I can guarantee that the SCS will improve bb groupings and range PROVIDED that it is installed properly. If you install it hastily without troubleshooting and fixing your hop-up and barrel problems prior to the SCS installation, you will certainly get bad results.

got this from mr. Shredder website

2 Re: Shredder's Concave Spacer (SCS) on Fri Jun 25, 2010 6:08 am

saitohkiyohiru


Ahhh mao diy gamit ani na porma. Ingani na man gud porma sa pakapin na hop-up spacer sa TU na brand.

3 Re: Shredder's Concave Spacer (SCS) on Fri Jun 25, 2010 8:49 am

sidewinder


pwede ra ba i-moddify ang daan na hop rubber para ma-purma ug ingani???

4 Re: Shredder's Concave Spacer (SCS) on Fri Jun 25, 2010 11:24 am

maomag


 
 
sidewinder wrote:pwede ra ba i-moddify ang daan na hop rubber para ma-purma ug ingani???

yup but buckings are designed this way(see attached pix)...to properly fit the SCS, you need to shaved or slowly sand it with a small file tool to form a concaved.


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5 Re: Shredder's Concave Spacer (SCS) on Fri Jun 25, 2010 12:54 pm

saitohkiyohiru


sidewinder wrote:pwede ra ba i-moddify ang daan na hop rubber para ma-purma ug ingani???

Yes, you need to get the rubber spacer that looks like the one above.

6 Re: Shredder's Concave Spacer (SCS) on Fri Jun 25, 2010 1:53 pm

maomag


 
 
saitohkiyohiru wrote:Yes, you need to get the rubber spacer that looks like the one above.

dili na siya rubber it's made of plastic others are made of brass...the name is bucking nub...



the original nub is just a plane black tube others are white/clear in color just like in the pix


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7 Re: Shredder's Concave Spacer (SCS) on Fri Jun 25, 2010 1:58 pm

maomag


 
 
DIY SCS Nub, just click the link:

http://www.filakairsoft.net/index.php?showtopic=733


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8 Re: Shredder's Concave Spacer (SCS) on Fri Jun 25, 2010 2:29 pm

maomag


 
 
Mr.Lee wrote:
4. What is the best hop rubber bucking to use?

The best hop rubber bucking to use is the stock bucking, Systema and Guarder (translucent) soft type because it is easy for the hop bucking to follow the contour of the SCS as the bb's pass directly below it.

*If the "mounds" inside the hop buckings are thinner or removed, that's where you'll see what the SCS can really do...*

The SCS is not a "plug and play"; hop-up upgrade and you must eliminate all the hop-up problems (wobbles, misalignments, hop-up defects such as plastic/metal flash that came from the factory molds, barrel window must be at least 4.10mm wide and the edges should not be sharp).


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9 Re: Shredder's Concave Spacer (SCS) on Sat Jun 26, 2010 3:39 am

saitohkiyohiru


maomag wrote:
saitohkiyohiru wrote:Yes, you need to get the rubber spacer that looks like the one above.

dili na siya rubber it's made of plastic others are made of brass...the name is bucking nub...



the original nub is just a plane black tube others are white/clear in color just like in the pix

Ang sa TU hop up kay ang rubber nub kay H na ang porma.

10 Re: Shredder's Concave Spacer (SCS) on Sat Jun 26, 2010 8:47 am

maomag


 
 
yup it's true tom. TU and other nub products in the market are made of rubber.

other nubs like madbull they call it shark bucking nubs


see diagram on why SCS is not a plug & play nub


another SCS steel sample pix


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11 Re: Shredder's Concave Spacer (SCS) on Mon Jun 28, 2010 5:17 pm

saitohkiyohiru


Mao ako gigamit karon, di ko sure, basin ako ra huna2x...Pero mao ako gigamit sa ako JG stock barrel, pero mas tul-id pa agi niya kaysa sa ako long barrel. Pero dili man siya mu curve tanawon like sa pic, unlike sa kadto metal or plastic na version niya, nas mu porma ug curve kung tanawn sa hop-up rubber.

12 Re: Shredder's Concave Spacer (SCS) on Thu Jul 08, 2010 10:20 am

maomag


 
 
mospat and others teammates been using this since 2008 pero hasol ayo kuhaan ug tunggoy2x ang hop bucking kay ug dili matarong,hiwi ang agi...timing2x pud ni kay other buckings specially china made are softer than other brands so don't need to shave the mounds.


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