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Red CNC gearbox


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#1 Spartan452

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Posted 22 July 2008 - 04:10 AM

http://ebaybanned.com/product_info.php?products_id=1517

hope this hasn't been posted yet, but here is a red cnced reinforced gearbox, is this the haynes copy?
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#2 RedScare

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Posted 22 July 2008 - 04:17 AM

no, because this gearbox makes the AEG shoot three times faster


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#3 transist

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Posted 22 July 2008 - 04:51 AM

haha, if its CNC then it HAS to be in an awesome color.

Well either way I'm kinda bored with the gray mechboxes. Even the JG black ones I think are awesome, even if they are only painted.
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#4 CrazyJ

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Posted 22 July 2008 - 05:31 AM

I guess its like steak? The redder the better.

#5 MDK_Marshal

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Posted 22 July 2008 - 06:44 AM

Oooh, eighty squids.

Not bad, not bad at all. It's nice to see that they've gone for the "normal" V2 design, rather than the psuedo-reinforced rubbish - too much material in all the wrong places...

And, from what I remember from looking at pics of the haynes, this aint a clone of that. Hell, I'd be rather impressed if the chineese manufacturers knew that existed. This simply looks like they've got a normal V2, given it one or two little tweaks, and CNC'd it.

Still, it's likely to be better than an normal cast gearbox, and at that price,. and including those big bearings, who can argue? Yummy.

Also, can someone that knows they're Aluminium alloys tell us how good 7075 is meant to be? I've heard it around a lot before, btu I've got a seive-like mind for metals wink.gif

EDIT: Meh, after a quick google, it seems to be a pretty good alloy. To Quote Wiki:

"7075 is an aluminium alloy, with zinc as the alloying element. It is strong, with good fatigue strength and average machinability, but is not weldable and has less resistance to corrosion than many other alloys. It's relatively high cost limit it's use to applications where cheaper alloys are not suitable."

So at the very least, if it is indeed 7075, then it'll be of relatively decent quality! At the VERY least, it doesn't look like it's just a CNC'd lump of pot metal tongue.gif

Edited by MDK_Marshal, 22 July 2008 - 06:47 AM.


#6 Utty

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Posted 22 July 2008 - 07:14 AM

Not this again?

#7 Rob15

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Posted 22 July 2008 - 10:12 AM

Lol, i posted that ageees ago.

Has anyone actually bought one yet or do we know if it has been cast and then machine finished?

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#8 Crimson

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Posted 22 July 2008 - 02:27 PM

yeh its just a red version of the thread i made its mentioned in there so i didnt consider it news smile.gif

This one
http://www.arniesairsoft.co.uk/forums/inde...p;#entry1831101

Edited by Crimson, 22 July 2008 - 02:28 PM.

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#9 Royal-Air-Force

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Posted 22 July 2008 - 02:41 PM

Wow, red, does this mean the gun will shoot 'hot'?



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View PostSilent_Assassin, on Nov 4 2009, 09:47 PM, said:

I was thinking that, its the kinda quote that you'll sig.

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#10 bnoji

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Posted 22 July 2008 - 04:35 PM

QUOTE (MDK_Marshal @ Jul 22 2008, 02:44 AM) <{POST_SNAPBACK}>
Oooh, eighty squids.

Not bad, not bad at all. It's nice to see that they've gone for the "normal" V2 design, rather than the psuedo-reinforced rubbish - too much material in all the wrong places...

And, from what I remember from looking at pics of the haynes, this aint a clone of that. Hell, I'd be rather impressed if the chineese manufacturers knew that existed. This simply looks like they've got a normal V2, given it one or two little tweaks, and CNC'd it.

Still, it's likely to be better than an normal cast gearbox, and at that price,. and including those big bearings, who can argue? Yummy.

Also, can someone that knows they're Aluminium alloys tell us how good 7075 is meant to be? I've heard it around a lot before, btu I've got a seive-like mind for metals wink.gif

EDIT: Meh, after a quick google, it seems to be a pretty good alloy. To Quote Wiki:

"7075 is an aluminium alloy, with zinc as the alloying element. It is strong, with good fatigue strength and average machinability, but is not weldable and has less resistance to corrosion than many other alloys. It's relatively high cost limit it's use to applications where cheaper alloys are not suitable."

So at the very least, if it is indeed 7075, then it'll be of relatively decent quality! At the VERY least, it doesn't look like it's just a CNC'd lump of pot metal tongue.gif


Just copying from the appendix of a book on my desk:

7075-T6 (UNS A97075)
Tensile Strength: 83 ksi
Yield Strength: 73 ksi
Elongation %: 11
Hardness, HV (Vickers): 150
Mod of Elast. : 10.4 x 10^6 psi

I can add the physical properties if anyone cares.

Edited by bnoji, 22 July 2008 - 04:36 PM.


#11 ryn1523

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Posted 22 July 2008 - 07:22 PM

7075-T6 is used all the time in the manufacture of real steel pistol, caliber sound suppressors. It is also the alloy used in the Colt M16 series. When it is hard-coat anodized it has great strength and corrosion resistance.
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#12 M4A1lover

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Posted 23 July 2008 - 12:18 AM

7075-T6 is also called aircraft grade alumminum

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#13 transist

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Posted 23 July 2008 - 12:37 AM

QUOTE (M4A1lover @ Jul 22 2008, 05:18 PM) <{POST_SNAPBACK}>
7075-T6 is also called aircraft grade alumminum

Which is pretty meaningless. Aircraft grade aluminum is nothing but a marketing buzzword now.
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#14 lee1hy

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Posted 23 July 2008 - 03:45 AM

AL 7075-T6 > AL 7075-0 > AL6061 -T6 > AL6061-T4 > AL 6061-0>

Strong >>>>> weak

T6,T4 is tempering(T) mean the Heat treatment make the strong.



p.s: US Mil-spec is the 7075-T6 and AL6061-T6 with hard coating for recevier and tactical handguard

Edited by lee1hy, 23 July 2008 - 04:00 AM.






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