The pitch of a spring refers to the distance, center to center, between two coils. A variable-pitch spring is one that starts out “soft” and […]
Spring grinding
Grinding is the process of grounding the ends of a spring. Springs found in most big name products are properly grounded, which look highly professional. […]
Long spring vs short spring
There has been a myth around saying that a very long spring is needed for delivering higher FPS. No, that is not always true. As […]
Spur gear breakage
If your spur gear breaks, it is NOT necessarily due to poor shimming. If several teeth were broken together on the spur gear, chance is […]
Using metal bushings
You should use metal bushings (or larger ball bearings) whenever you want to go beyond 350FPS or beyond (meaning anything stronger than a M100). If […]
Plastic bushings
Plastic bushings would do just fine under the following conditions: they are adequately lubed your gun runs at less than 330~340FPS the spring in use […]
Full Tuneup kits
Most FTKs are simply collections of improvement parts which allow better compression (enhanced air sealing through more precise part sizing and the use of better […]
Gear ratio
In its simplest form, the term “gear ratio” in the context of AEG mechbox defines the relationship between the pinion gear and the spur gear. […]
Using high torque gear set
The high torque gear set has a different gear ratio than the stock gear set. It does produce higher torque without increasing the burden of […]
FAMAS gear ratio
The TM FAMAS, the ACX MP5/L85 and the Cybergun A15 R1 (the first release) all share the same gear ratio, which is capable of delivering […]