*MODERATOR EDIT* This post has been edited to exclude information that is not applicable to those of us in Canada. I have however, left all links intact for the truly curious.
Posted here are collections of technical information from previous forum threads (FAS/AGL) and general facts from experienced veteran gunsmiths and players.
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- - Technical Reference Info - - (by skipperooo)
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SPRINGS: (Approx. Settled Spring FPS on .20gBB)
Stock Gun (brand new gun) = 270-290 FPS
CQB Gun: M100 / SP100 / PDI120% = 330-350 FPS - Typical indoor field maximum permitted.
Standard Field Gun: M120 / SP120 / PDI170% = 390-420 FPS [.20gBB stable] - Typical outdoor field maximum permitted. Anything stronger usually requires organizers permission.
Spring Power Chart
http://www.airsoftcanada.com/SpringChart.html
BB goes wild = BB too light -- BB range seems near = BB too heavy
*NOTE* These indications are
FAS FPS Regulations and are
NOT ASC FPS Regulations.
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GEARS: (Does NOT affect Gun FPS, only ROF)
Infinite=(1) Ultra=(2) SuperTorqueUp=(3) TorqueUp=(4) StockRatio=(5) FastGear=(6)
>> Numbers indicate "car-gear-shift". *Small batts (non Sub-C) DOWNSHIFT to next LOWER gear. <<
Common Gear-to-Spring Setup for Big Batt (engine) (Sub-C):
Fast Gears (6) - UP TO M100 / SP100 / PDI120%
Stock Gears (5) can 'safely' handle up to M130, SP130, PDI190% <<<< on 9.6v 1700mAh(min)
Torque Up Gears (4) - M130 / SP130 / PDI190%-210% or LOWER
Torque Up Gears OR Super Torque Up (4/3) - M140 / SP140 / PDI240%
Ultra Torque Up Gears (2) - M150 / SP150 / PDI270%
Ultra or Infinite Gears (2/1) - M160 / SP160 << Needs minor machining to fit on Ver.2 GearBox
Infinite Torque Up Gears (1) - M170 / SP170 << Needs minor machining to fit on Ver.2 GearBox
*Some Gear set won't fit on some reinforced Gearbox- PLEASE CHECK first before you get one.
*No known machining on stock ver.3 GearBox to fit any gear set.
*AVOID using Bearing Bushings on M120 above. only for soft springs
M130 / SP130 / PDI190%-PDI210% on STOCK Gears will last Approx. 5-10 months (depends on use)
Stock Gears - Low Cost, nice ROF. will not last long. (cast alloy)
Flat Gears - Noisier, Cheaper. More durable (steel)
Helical Gears - Silent. Expensive. shimming sensitive (steel) <<Avoid pairing w/ Bearing Bushings
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BATTERY: (Does NOT affect Gun FPS, only ROF and Rounds of fire)
Voltage = Rate of Fire (ROF) mAh = BB-Rounds (Power/Stamina)
BIG INTERNAL Standard Battery Size [Ni-CAD]:
M4A1 - 9.6v 1700mAh (Fat-long AA) V-Type 12v 1700mAh(max)
M4A1 Patriot - 12v 1700mah (Fat-long AA) Circular config
G36C - 9.6v 1500mAh (Fat AA)
M733 - 9.6v 1500mAh (Fat AA) Chako-Type 12v 1700mAh(max)
AK 47/Spetz - 10.4 2400mAh (Sub-C) 12v(max)
M16A1/A2/VN/SR16 - 9.6v 2400mAh (Sub-C) 13.2v(max)
CAR15 - 8.4v 600mAh (Small) 1500mAh (max) (Fat AA) 2-separates
P90 - 9.6v 1700mAh (Fat-long AA) J-Type
G3A3,G3SG1,MP5A4,MP5SD5 - 9.6v 2400mAh (Sub-C) Straight
MP5SD6 - 9.6v 1500mAh (Fat AA) V-type
MP5A5 - 9.6v 1100mAh (Slim) Chako-Type << (?)
Steyr AUG - 9.6v 1700mAh (Fat-long AA) Box-Type
PSG-1 10.8v 1500mAh (Fat AA) 13.2v(max)
M16 Dummy/Ready MAG - 9pcs 10.8v 1700mAh (Fat-long AA)
AN/PEQ 2 Dummy Laser Box - 9.6v 1700mAh (w/laser) 12v 1700mAh(max)
Approx. Battery-to-Rounds Capacity: [NiCd] (on M120 Stock Gears, EG1000)
9.6v 600mAh = <500 rounds (Small) Sanyo KR600AE 9.5mOhm Internal Resistance
9.6v 1100mAh = 1,000 rounds (Slim) Sanyo KR1100AAU 19mOhm Internal Resistance
9.6v 1500mAh = 1,400 rounds (Fat AA) Sanyo KR1500AUL 16mOhm Internal Resistance
9.6v 1700mAh = 1,800 rounds (Fat-long AA) Sanyo KR1700AU 17mOhm Int. Resistance
9.6v 1900mAh = 2,400 rounds (Sub-C) Sanyo N-1900SCR 4mOhm Internal Resistance
9.6v 2000mAh = 2,600 rounds (Sub-C) Sanyo KR-CH 6.5mOhm Internal Resistance
9.6v 2400mAh = 3,100 rounds (Sub-C) Sanyo CP-2400SCR 4.5mOhm Internal Resistance
9.6v 3000mAh = 3,800 rounds (Sub-C) Sanyo HR-SCU [Ni-MH] 5.3mOhm Internal Resistance
*can someone confirm this rounds guesstimation--
BEST BUY: 9.6v 1700mAh(small-type) 9.6v 2400mAh(large-type)
Approx. CHARGING Time on 1000mAh Output Charger:
600mAh = 36mins(min) 42mins(std) 48mins(max)
1100mAh = 1hr 6mins(min) 1hr 19mins(std) 1hr 30mins(max)
1500mAh = 1hr 20mins(min) 1hr 48mins(std) 2hrs 7mins(max)
1700mAh = 1hr 42mins(min) 2hrs(standard) 2hrs 24mins(max)
1900mAh = 1hr 53mins(min) 2hrs 18mins(std) 2hrs 43mins(max)
2000mAh = 2hours(minimum) 2hrs 24mins(std) 2hrs 48mins(max)
2400mAh = 2hrs 23mins(min) 2hrs 54mins(std) 3hrs24mins(max)
3000mAh = 3hours(min) 3hrs 37mins(std) 4hrs 13mins(max)
*Charger should be 1 to 3 volts higher voltage than total battery voltage
Go over to
http://digibattery.com for more battery-charging-time calculations
DISCHARGING: Number of batteries in a Pack = Max discharge volts.
(ex. 9.6v = 8cells in a pack = 8.0v is the maximum discharged voltage)
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PISTON: Depends on your spring and trigger abuse.
M140 Above = Aluminum Piston (for ratatat players)
. Choice1: ICS Aluminum Piston
. Choice2: Systema Aluminum Piston
*if compatible, get the half-tooth to lessen the weight
M140 Below = Polycarbonate Piston
. Choice1: Guarder Polycarb Piston (blue)
. Choice2: Tokyo Marui Stock Piston (white) <-- polycarbonate too
. Choice3: Systema Polycarb Piston (black) << brittle bad choice
AVOID the RED PISTON-Systema Polycarb (defective) there's a newer version
*haven't tried the TGS(blue), TOP or Prometheus Hard Pistons yet, but it looks promising <-- pls review
*some use polycarbs on m140 above but with trigger care
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CYLINDER: (cylinderVolume-to-barrel-ratio) 2 is to 1 (standard)
Marui Stock Cylinders:
1. Closed Cylinder = 27.1cc 450mm(min) 580mm(max) barrel length
2. XM Cylinder = "4/5 hole" = 364mm(min) 460mm(max) barrel length
3. M4 Cylinder = "3/4 hole" aka Type-2 17cc - 229mm(min) 430mm(max) barrel length
4. MP5K Cylinder = "mid hole" 9cc 110mm(min) 170mm(max) barrel length
Systema NB Standard and BoreUp Parts:
1. Type-0 Cylinder (closed) fits M16-A1,VN,A2,G3-A4,SG1,SIG550,AUG
2. Type-1 Cylinder (tip hole) for XM177, M4, AK47, AK47S, SIG551
3. Type-2 Cylinder (XM hole) for MP5-A4,A5,SD5,SD6, MC51,SIG552
4. Type-3 Cylinder (M4 "3/4" hole) for MP5 PDW
5. Type-4 Cylinder (MP5K mid hole) for MP5K
*BoreUp Closed 29.4cc = 500mm(min) 600mm(max) barrel length
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KM Cylinder Parts:
*Intercept Cylinder 59 barrel length from 450mm to 590mm (Type 0)
*Intercept Cylinder 45 barrel length from 250mm to 450mm (Type 2)
*Intercept Cylinder 25 barrel length from 100mm to 250mm (Mid-hole)
*To avoid confusion, don't mix brand model names, just model equivalence
*TM M733 by stock is closed cylinder (Type 0) -over ratio
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RATIO Guide:
Standard-Efficient Ratio is 1.5 is to 1
2-2.5 : 1 for springs up to M130 --- 2.5-3.0 : 1 for strong springs M140 -> UP
<needs further research>
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BARREL: (inner barrel length)
650mm/25.59in PSG-1 (extended)
595mm/23.42in APS2 OR
589mm/23.18in PSG-1
550mm/21.65in M16A1/VN/A2,AUG (extended)
534mm/21.02in Sig550
509mm/20.03in M16A1/VN/A2,AUG
472mm/18.58in Famas SV/F1
469mm/18.46in G3-A3/A4,SG1
455mm/17.91in AK47,AK47s
444mm/17.48in M60
407mm/16.02in M4A1 M653E2 (extended)
395mm/15.55in APS2 SV
369mm/14.52in HK51
363mm/14.29in M4A1,RIS,SR-16,XM177ED,Sig551
300mm/11.81in M1A1,AKBetaSpetz, M733
285mm/11.22in MC51
247mm/9.72in Car15,P90,G36C, SIG552
245mm/9.64in UZI - 400mm/15.74in (extended)
229mm/9.01in MP5A5/A4/SD5/SD6
170mm/6.69in MP5K-PDW (extended)
141mm/5.55in MP5K-PDW
110mm/4.33in MP5K
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MOTORS:
TM EG560 (famas)
TM EG700 (need more spec info)
TM EG1000 27,552rpm 1,407.00G.cm Torque
Systema "Genuine" 29,825rpm 1,6999.83G.cm Torque
Systema "Hi-Speed" 37,400rpm 1,915.99G.cm Torque
Systema "Hi-Torque" 32,302rpm 1,932.49G.cm Torque
Systema "Super Hi-Torque" 34,787rpm 1,998.47G.cm Torque
Eagle Force Hummer 1100 (high-speed)
Eagle Force Hummer 1300 (super-high-speed)
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GAS: (for gas guns/pistols)
Duster = The little cans you buy at Future Shop
Green Gas = Propane
RED Gas = a bit higher pressure (?) than TOP Gas
BLACK Gas = highest pressure for airsoft <carbon<myth?
*pressures on 30C / 86F manila temp. / gas expansion speed differs from each type of gas
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TM Gearbox Versions:
Version 1: FA-MAS F1, FA-MAS SV
Version 2: -M4A1, M4A1 RIS, M16A2, SR16, M16A1 VN, M16A1, XM177E2, CAR15, MP5A4, MP5A5, MP5 SD6, MP5 SD5, MC51, G3A3, G3A4, G3SG1, HK51
Version 3: AK47, AK47s, AK 47 Spetz, AUG Civ, AUG Mil, MP5K A4, MP5K PDW, SG550, SG551, SG552, G36C
Version 4: PSG1
Version 5: UZI
Version 6: P90, P90 TR, Thompson
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*Disclaimer: This information has been taken straight from the FAS Forums and posted HERE for technical reference to help understand upgrades and modifications done to Airsoft Guns. Some Information may be modified for better understanding or for updating purposes. Please advise that upgrades and modifications are done at your own risk and it is recommended that you consult local professional gun smiths if possible.
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Thank You and Enjoy Reading.