Would a 9.6V 1400mAh Battery be Good Enough for My Upgrade
 

I'm planning on getting the following parts to upgrade my TM SIG 552 and I want to know if a 9.6V 1400mAh battery would be good enough to power my gun after the upgrade.

Parts List:
Prometheus 6.03mm EG Barrel Inner Barrel (433mm) covered by a TM Knight's Pro Silencer
Systema Bore Up Cylinder Set
Systema Flat Gear Set 2 (High Speed)
Systema Irregular-Pitch Spring (M130)
Systema High Speed Motor
Systema Poly Carbonate Piston
Systema Spring Guide with Bearing

Why are you putting a M130 in there?

It will bring you above most fields limit for an AEG, maybe above 450 fps.

You will have a very hard time with your gear set with that spring. High speed is meant for low fps setups (M100 and under). You would need a torque-up instead.

And off course, the battery won't be powerfull enought with the parts you plan to use.

Maybe I'll just go with an M120 spring and a torque up gear set. Around how much FPS will that run me with that setup?

How about an 11.1V 1900mAh Li-Po battery? Will that be able to handle my upgrades?

M120 with these parts will bring you very close to 400, if not over.

a LiPo will be able to crank that easilly. But keep in mind that if you don't use some sort of MOSFET unit, your trigger contacts will wear insanely fast.

I think you need to seriously revise your upgrade plans. Judging by your list, you don't have much experience with upgrades. What exactly are you trying to accomplish in terms of FPS and ROF? Tell us that and we'll tell you what you need.

Basically, I just want to get my gun shooting between 400-450 FPS and also maintain a pretty hight ROF. But I would like to do this with mainly Systema components. What parts would you suggest I get to achieve this goal?

Where do you play that they allow over 400fps full auto?

My recommendations:
-Modify cylinder, cylinder head, piston head, and airseal nozzle
-Prometheus Ms135 spring
-SystemA all helical highspeed gears
-SystemA bushings
-Prometheus 6.03 as in your list
-SystemA Magnum motor

Modify parts (at least the ones I listed) are amazing for the price. I have had far more trouble getting SystemA/Prometheus parts working than Modify when it comes to the airseal components. Helical gears have 1.5x the area engaged at any given moment so less of a chance of stripping though standard ratio gears might still be better since you are pushing over 400fps. The SystemA turbo motor is only fast with an M110 spring or less. Past that it doesn't have the torque to maintain its speed. The Magnum motor is faster than any motor on the market (except the Turbo) and can power up to an M170 I think it said on redwolf. Also for this setup I would recommend either LiPo, dual 9.6V packs (for the higher amperage), or a large 10.8V pack.

*edit*
I have never had any problem running up to an M140 on stock TM gears. Torque up gears are for insane upgrades (500+ fps) and to alleviate stress on the motor and battery. They do reduce the ROF though. Also I have tried boreup and non-boreup kits with the same everything else in the gun (including spring) and the fps only went up maybe 10-15fps with the boreup over the normal (was using an Ms120.)

400 to 450fps? That's too hot for most fields, unless you keep it on semi...

Not quite sure what your love affair with Systema is, but you could do what you want with mainly Modify parts.

Use the parts listed in this set as your rule of thumb: http://www.airsoftparts.ca/store2/in...oducts_id=1061

The only thing above that you need to get specifically for a SIG is the air nozzle. Everything else is generic version 3. Based on your barrel length (433mm tightbore), a Modify S110+ should be slightly over 400fps. The Modify S100+ in my AEG (509mm tightbore) is 400fps on the dot.

Since the above is a high torque set, get a high torque motor. A 9.6v mini will pull that, get a 1500mah mini if you're worried about battery life.

It might be worth your time to throw a Sorbothane cylinder cushion in there as well.

Edit: Beaten by LUTNIT. =P

Oh yeah, and I stripped a set of SystemA all helical highspeed gears trying to run an M140 spring on em, just to see if I could. Also the two best pistons I have ever used are a Prometheus hard type and a Deep Fire full metal toothed one. Both come in both full teeth for standard gears and half teeth for torque up helical gears (different from SystemA all helical, they can use standard pistons) and are very tough. I find the Deep Fire one stronger but make sure its a ver.2, the original Deep Fire pistons had a problem where the plastic broke down around the metal teeth, the ver.2 doesn't do that.

Also I have stripped more Modify pistons than I care to count, I really don't recommend them. Deep Fire all metal toothed, Prometheus hard type, TM stock, and Guarder grey type have all worked very well for me.

Thanks for the opinions and suggestions.

I'll look further into this, taking into account what you guys have said, and see what I can come up with.

Should I also get this:

Action Low Resistance Switch Assembly

And is this CKW MOSFET Switch any good?

Should I just get this Guarder SP120 FTK since the barrel length that I'm going to get is close to the same length as an AK47/S barrel? WGC says that I can use this FTK with a 9.6V battery. How much FPS would this FTK get me? Also, should I get an upgraded motor and reinforced gearbox if I get this FTK?

Look it up in the chart: http://www.airsoftcanada.com/SpringChart.html

And yes you should probably use a 9.6V battery if it's a mini.
A 8.4 large would probably be fine. Also a stock TM motor should be fine, just depends on the battery.
Your gun has a V3 mechbox right? You shouldn't have to buy a reinforced gearbox. Run it till it breaks, which might not be for a long time.

my list:

Prometheus M110(believe me, that will put you around 390fps)
Prometheus bearing spring guide
Systema silent piston head + cylinder set

done

I like your suggestion, the less parts to get the better. But how long would my original Ver. 3 TM Gearbox last with these parts? And what if I get a MS120 spring instead of the MS110 that you suggested?

The Sorbothane cushion is suppose to do the same thing as the Systema silent piston head and cylinder set at a much lower cost and complexity.

The hotter the spring you use, the more stuff you'll have to swap and the greater the chance of something failing. Not to mention it'll decrease your ROF. One basic rule to upgrading that you haven't seem to learn is that, all else being equal, you increase fps first by increasing air seal efficiency, not but simply tossing in a hotter spring. You might be better off finding someone to do this for you.

You'll also need to change your bushings to metal ones, if you still have the stock bushings. And replace the hopup bucking, too.

Finally, version 3 is plenty tough if you upgrade correctly.

Remember that a tightbore barrel can add up to 25 fps to your velocity, so take that into your spring calculations to try to stay under 400.

My CA M15 rifle has a Prometheus MS110SP spring that got the rifle to 365 on its own. Adding a 6.03mm tightbore shot that up to 390 fps, and to me, that's an ideal velocity - just under 400. My custom C8 has the same spring. It shot 360, and adding a tightbore brought me up to 380. My JG 416 with its stock spring shot 390. I installed a tightbore and that brought it up to 415, making it too hot for the fields I've played. Installing a better hopup rubber even increased that up to 430.

So if I were you, I would consider you try to look for a spring that will get you about 370-ish fps rather than getting a 400 fps spring.

it would probably last forever with good shimming.

the systema silent piston head + cylinder head absorbs most of the shock, which prolongs your gearbox life by a VERY long time(V3 never breaks to begin with).

Don't bother using sorbothane pads for now, I don't want you having piston alignment problems and end up having to buy new parts all over again, just go with what I suggested.

oh, and Systema metal bushings if you don't have metal bushings installed already.

http://www.redwolfairsoft.com/redwol...l?prodID=22772

I've used the sorbothane pad, I found the piston displacement was not significant.

The most detailed review I've seen of the Systema silent set doesn't seem all that impressive. Maybe the tester didn't install his correctly, but then who's to say a newbie to upgrading would?

It's his first time opening a gearbox. I know you've had good experiences with sorborathane, I have too, as well, but being a first timer the chance of screwing something up is generally high, so lowering any risk of shreadding the piston is good.

I personally have a systema silent in my gun, and it indeed DID make the gun noticeably quieter. But he isn't looking for quietness, he's looking for prolonged gearbox life.

I dunno if going with a silent piston head in this case would decrease the difficulty involved; if he keeps his TM piston, he'll have to go through getting the whole thing apart to replace the piston head and spring.

No matter which one he goes with, I still think he should seek assistance, even if it's not in the form of a gun doc, at least a friend who's done this before.

Also, is there some sort of budget involve? We can go least-parts-possible, but I personally don't recommend that. If you're going inside the mechbox anyways, might as well replace everything you want to now.

And is the gun even meant to stay inside the average Ontario field limit of 400fps? The OP seems rather keen on 400+.

I told him to use Prom M110 to keep it arond 390FPS.

but I do agree with the seeking help....

Well, I've already opened up my gearbox twice. The first time I did it was when I installed 6mm Deep Fire metal bushings and the second time was when I installed a Prometheus MS90SP spring, Prometheus Poly Carbonate piston and a Systema Duracon piston head.

Now, I'm still a newb by far when it comes to upgrading but I'm pretty confident on working on the gearbox on my own. After installing these previous upgrades, my gun had never had any issues firing. But that's why I'm on here, to ask questions and learn as much as I can. If anything, and I do end up achieving over 400-450 FPS then I won't even play with my SIG 552 on the field. Instead I'll just play with my stock TM G36C, which I don't plan on doing any upgrades to until it breaks. But I am looking for the best way to keep my TM SIG 552 gearbox life and stability for as long as possible with the upgrades I want to do, and the necessary battery type to run it.

BTW, what are sorbothane pads? I've never seen or heard of them before.

Why dont you just buy a drop in mechbox? Thats what I did and it has been amazing...

That's something you should've mentioned off the bat, instead of letting us assume we're dealing with a stock mechbox and zero upgrade experience... :rolleyes:

With the parts you have already, you could get to the high-300 range simply by replacing your spring (Promy MS110 or Modify S100+) and maybe your spring guide. Durability and battery life (assuming 9.6v 1400mah mini) should not be an issue. I run my S100+ all day on that battery.

http://www.airsoftcanada.com/showthr...ght=sorbothane

That's some really cool looking stuff, less impact vibration on the gearbox equals to longer life span. I'm might have to get me 1 or 2 of those. Thanks for the link!

So here's my new revised upgrade parts list:

A.R.S. Sorbothane Cylinder Head Pad
Prometheus 6.03 EG Inner Barrel (455mm) covered up with a TM Knight's Pro Silencer
Prometheus EG Spring Guide with Bearing
Prometheus Hard Piston
Prometheus Non-Liner Spring (MS110)
Systema Air Seal Nozzle
Systema Anti-Reversal Latch
Systema Helical Gear Set 1 (High Speed)
Systema High Speed Metal Bushing with Bearing
Systema N-B Cylinder Type 1
Systema Silent Head Set
Systema Turbo Motor (Medium Type)

Now, what kind of battery should I get? An Intellect 9.6V 1400mAh Mini Battery or a FireFox 11.1V 1600mAh Li-Po Mini Battery?

i dont think your systema anti reversal latch, gears etc are necessary. Run stock gears, Prometheus airnozzel is great. if its cheaper, get that, if not, stick with the systema. dont replace the motor. Honestly, to simplify this, just get a Guarder cylinder set and pick up a sorbo pad. you will be fine then. if you want a little bit better quality, than get the following. i just picked up the following for my TM M14. I have done a lot of research, be it searching on the net/ASC, or talking with gundocs. with the following parts, i have concluded that you honestly cant do any wrong, so long as you get a gundoc to install them. hope this helps :)

Prometheus or Guarder Spring (100-110)
Prometheus Air nozzle (i have heard good things of this, especially in the TM M14)
Prometheus Hard Piston
ARS Cylinder Head
ARS Sorbo pad
Prometheus Spring guide

NOTE: for ARS products, contact Tirador. you can find his thread in my link in my sig.

That will give you power and not put too much stress on your internals. Other than that, you dont need anything else. Your gun will shoot hard, and last long and best of all, it shouldn't cost you that much.

I wouldnt go with the turbo motor i would go with the magnum motor it will give you more torque to push your spring and still give you a great rof. Also Sig's use short motors not medium motors

No they use medium motors.

o sorry my mistake but i would still go with the magnum