Technical information

Practical A.E.G Upgrade 2006
Page 3 Copyright 2005,06 The AirsoftPRESS (Hong Kong). All rights reserved.
WHAT ARE THE KEY ELEMENTS OF A HIGH FPS SETUP?.............................................................................38
VERSION 2 MECHBOX VERSUS VERSION 3 MECHBOX: ANY DIFFERENCE IN STOCK PERFORMANCE? .....39
TM METAL MECHBOX VERSUS CYBERGUN PLASTIC MECHBOX?...............................................................39
ARE CA/ICS GUNS CRAPPY FOR UPGRADE?................................................................................................40
FPS INCREASE IN METER READINGS VS PERFORMANCE INCREASE IN A PRACTICAL SENSE: THE LAW OF
DIMINISHING MARGINAL GAIN IN PERFORMANCE
.......................................................................................41
0.20G BBS VERSUS 0.25G BBS VERSUS 0.30G BBS: THE HEAVIER THE BETTER?.......................................42
DOES FPS ALWAYS GO HAND IN HAND WITH JOULE?..................................................................................42
WHAT IS THE DIFFERENCE BETWEEN THE FPS SYSTEM AND THE JOULE SYSTEM?.................................42
HOW DO YOU USE FPS TO MEASURE JOULE?..............................................................................................42
HOW DO YOU USE FPS TO GIVE AN ESTIMATE OF THE RANGE? .................................................................42
HIGHER FPS = LOWER ROF?.......................................................................................................................44
SOFTER SPRING = HIGHER ROF?.................................................................................................................44
HARDER SPRING = LOWER ROF? ................................................................................................................44
IS 8.4V INSUFFICIENT FOR AN UPGRADED MECHBOX?................................................................................45
DOES BATTERY SIZE MATTER?......................................................................................................................45
IS BATTERY POWER IMPORTANT FOR SEMI-AUTO FIRING?.........................................................................45
IS EG560 TOO WEAK AND FRAGILE TO POWER AN UPGRADED MECHBOX?...............................................46
CAN I USE EG560 ON MY MP5?....................................................................................................................46
WHY (AND WHY NOT) SHOULD I BUY THE HIGH TORQUE GEAR SET? ........................................................49
WHY (AND WHY NOT) SHOULD I USE HELICAL GEARS? ..............................................................................49
WHY (AND WHY NOT) SHOULD I KEEP THE STOCK PLASTIC BUSHINGS? ...................................................52
WHY (AND WHY NOT) SHOULD I REPLACE THE STOCK PLASTIC BUSHINGS WITH METAL BUSHINGS? ....52
WHAT IS AN EASY WAY TO (MORE ACCURATELY) SHIM? .............................................................................54
HOW DO I TELL IF SHIMMING HAS BEEN DONE CORRECTLY?.....................................................................57
ANYTHING SPECIAL ABOUT SHIMMING THE AR-15 MECHBOX?.................................................................57
WHAT IS THE RECOMMENDED ORDER OF GEAR INSERTION?.....................................................................57
LONGER SPRING VERSUS SHORTER SPRING: THE LONGER THE BETTER?..................................................58
WHAT ARE THE MAJOR PARAMETERS OF A SPRING?...................................................................................58
IS A HARDER SPRING MORE HARMFUL FOR THE INTERNALS? ....................................................................58
INSTALLING A LONG SPRING: TRICKS AND POTENTIAL DANGER. ...............................................................61
INSTALLING A SHORT SPRING: TRICKS AND POTENTIAL DANGER...............................................................61
WHY (AND WHY NOT) SHOULD THE SPRING BE GROUND?...........................................................................63