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Old December 31st, 2008, 14:00   #1
Alex_Glassman
 
Join Date: May 2008
m170 spring

hi there, i purchased a m170 spring as i like the look of the m4 being a sniper.

What internals would you guys recommend?

Is my EG1000 TM motor powerful enough?

max torque or infinite torque gears?


Thanks for your help in advance.


EDIT: V2 gearbox, btw.
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Old December 31st, 2008, 14:08   #2
zone 69
 
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Useing that heavy of a spring will brake the front of your mechbox off sooner or later.
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Old December 31st, 2008, 14:10   #3
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First of all, assuming your version 2 mechbox is not a reinforced model, it's going to structurally fail regardless of the parts you put into it. Even if it's reinforced, it's unlikely to survive a M170 for long.

Also, no one really use M170s in AEGs in Canada, it results in FPS beyond most field limits at a high financial cost with marginal reliability in most AEGs.
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Old December 31st, 2008, 14:18   #4
BORDENSNIPER
 
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u wasted ur money bro,

get an m120 or max an m130 and push ur aeg up to 450fps if u want to do semi auto fire.

m120 with 400fps and 28g will do magic. Even 380fps with 25g will be accurate.

no need for m170, u ae asking for trouble and guaranteed accident/injury.

get an m120 is my suggestion. Have max torque up gears, emtal bushings SORBO pad and MASK kit, o ring sealed nozzle, double oring cylinder head, ball bearing spring guide, and any reinforced piston, if ur not shooting full auto which u shouldnt be as a soc alled sniper which doesnt exist in airsoft...then get a piston with metal teeth, oh and a reinforced gearbox..

happy new year...forget the m170
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Old December 31st, 2008, 14:50   #5
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Quote:
Originally Posted by BORDENSNIPER View Post
u wasted ur money bro,

get an m120 or max an m130 and push ur aeg up to 450fps if u want to do semi auto fire.

m120 with 400fps and 28g will do magic. Even 380fps with 25g will be accurate.

no need for m170, u ae asking for trouble and guaranteed accident/injury.

get an m120 is my suggestion. Have max torque up gears, emtal bushings SORBO pad and MASK kit, o ring sealed nozzle, double oring cylinder head, ball bearing spring guide, and any reinforced piston, if ur not shooting full auto which u shouldnt be as a soc alled sniper which doesnt exist in airsoft...then get a piston with metal teeth, oh and a reinforced gearbox..

happy new year...forget the m170
you always reccomend too much stuff man
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Old December 31st, 2008, 14:59   #6
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Quote:
Originally Posted by Skladfin View Post
you always reccomend too much stuff man
Yup.

Also, yeah M170 spring will break your V2 very quickly and is not good for field limits anywhere in Canada.
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Old December 31st, 2008, 15:22   #7
m102404
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Just my opinion...

The OP requested an open question on what internals you guys would recommend...so listing off a bunch of stuff isn't out of line, especially when the OP didn't list what he's starting off with...

Whether or not he'd be allowed to use it is a moot point...there's plenty of games across Canada that would allow hot (i.e. over 400fps w/ 0.20g bbs) AEGs. Perhaps not many (if any) of the public games...but they're out there.

To the OP....can I have your M170 spring when you're done busting mechboxes...I've got a project build I'd like to try it out in!

Tys
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Old December 31st, 2008, 15:30   #8
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If he recommended to much stuff, maybe we should recommend the necessities to make this work with a M120. But i don't know alot about internals, so I'll leave it up to an expert.
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Old December 31st, 2008, 15:41   #9
TriChrome
 
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You will need a MTHaynes 6MilSpec CNC'd gearbox, or a ProWin to handle a M170 spring (both are over $200 just for the gearbox shell itself if you can find them). You will be well over 600 FPS with .2's (my Guarder SP160 gave me 580with .2's).

You will need to upgrade every single internal part starting with at least triple torque gears, if not infinite/max. A large battery (10.8v+) and strong motor (Systema Magnum, G&P M160, etc.) will be needed if you want a decent trigger response, and a MOSFET to handle that power.
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Old December 31st, 2008, 15:41   #10
Alex_Glassman
 
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ok, so my best bet is to scrap the m170 and sell it on and use a m130.

If i were planning to use this full auto instead of sniping on semi, would my EG 1000 give me a respectable rof?
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Old December 31st, 2008, 15:45   #11
Alex_Glassman
 
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TriChrome, i do not fully understand what a MOSFET does? Im not keen at physics

Does it just amplify the current?
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Old December 31st, 2008, 16:02   #12
m102404
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TriChrome's got this stuff down pat...but here's a bit of info.

1. The EG1000 will pull it...but it's going to stress the motor. The more/longer you stress it...the shorter it's lifespan will be. An upgraded motor (like those listed already) will be operating well within their optimal ranges with those springs.

2. When you push a lot of power/current though a typical AEG switch assembly...you'll quickly burn out the contacts. Imagine the old-fashioned throw switch that guys would use to electrocute someone...but in tiny miniature...that's an AEG switch. A mosfet senses a much lower current/voltage across the AEG switch (well within it's capacity) and then "dumps" power directly to the motor. Essentially your AEG switch doesn't endure any wear-and-tear. Because it's "solid state" there's little power loss due to mechanical switches/resistance...so it's much more efficient at providing power to the motor.

Just as a note...a M120 spring in a good setup will easily net 420...if not 440fps...more than enough for most instances.

Hope that helps...someone else will fill in the blanks,

Tys
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Old December 31st, 2008, 18:00   #13
TriChrome
 
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Originally Posted by m102404 View Post
1. The EG1000 will pull it...but it's going to stress the motor. The more/longer you stress it...the shorter it's lifespan will be. An upgraded motor (like those listed already) will be operating well within their optimal ranges with those springs.
Exactly. The TM EG1000 is a great motor that I use in most of my builds, and it'll pull a SP170 on torque+++ gears, but the problem will turn out to be heat when you're rapidly firing semi-auto and the motor will die from it much sooner than later.
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Old December 31st, 2008, 18:13   #14
Gunny_McSmith
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Quote:
Originally Posted by Alex_Glassman View Post

If i were planning to use this full auto instead of sniping on semi, would my EG 1000 give me a respectable rof?
then go for a m120 or m110 MAX! if you want to go in full auto. (you'll get around 360-420 fps depending on your gearbox and motor...)
FPS limits are higher for sniper rifles on SEMI only, and even higher for bolt action sniper rifles
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Old December 31st, 2008, 19:51   #15
BORDENSNIPER
 
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no not too much.

it doesnt cost much to put it in the gun so not too mny things.

in addition, all those things will contribute to a better performance gun and all those things every person should have in their gearbox if running over 400.

but to be conservative u should put in:
m120
sorbo
reinforced gearbox
bb spring guide and piston head to take some twisting of the m120.
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